Razorback Sucker (Xyrauchen texanus) Citations through 2000
(Sort Order: Author > Year)

Alvarez, F. and J. Caleron.1996. Distribution of Loxothylacus texanus (Cirripedia: Rhizocephala) parasitizing crabs of the genus Callinectes in the Southwestern Gulf of Mexico. Gulf Research Reports (Ocean Springs) 9(3):205-210.

Anderson, R.1994. Endangered fishes. Colorado Division of Wildlife Fish Research Section. 49 pages.

Anderson, R.1997. An evaluation of fish community structure and habitat potential for Colorado squawfish and razorback sucker in the unoccupied reach (Palisade to Rifle) of the Colorado River, 1993-1995. Colorado Division of Wildlife Aquatic Research Sec

Andreasen, L. and B. Jensen.1997. Dexter National Fish Hatchery and Technology Center Endangered Species Bulletin. U.S. Fish and Wildlife Service 22(3):16-18.

Archer, D.L., L.R. Kaeding and H.M. Tyus.1986. Colorado River Fishes Monitoring Project. Final report to the Bureau of Reclamation (Contract No. 2-07-40-L3083). U.S. Fish and Wildlife Service, Lakewood, Colorado. 64 pages.

Armantrout, N.B.1978. Endangered fish of the Colorado. Our Public Lands 28(2):8-10.

Baker, J.A. and S.T. Ross.1981. Spatial and temporal resource utilization by southeastern cyprinids. Copeia 1981(1):178-189.

Barrett, P.J.1992. Spatial habitat preference of smallmouth bass (Miropterus dolomieui), roundtail chub (Gila robusta), and razorback sucker (Xyrauchen texanus). Ph.D. Dissertation, University of Arizona, Tucson.

Barrett, P.J. and O.E. Maughan.1995. Spatial habitat selection of roundtail chub (Gila robusta) in two central Arizona streams. Southwestern Naturalist 40:301-307.

Baucom, F.M.1991. Report on the 1991 annual spring survey for razorback suckers and bonytail chubs in Lake Mohave, Arizona-Nevada, as well as reconnaissance for razorback suckers in the eastern portion of Lake Mead. U.S. Fish and Wildlife Service, Phoenix

Baucom, F.M.1993. Report on the March 1993 annual razorback sucker and bonytail chub survey in Lake Mohave, Arizona-Nevada. U.S. Fish and Wildlife Service, Phoenix, Arizona. 12 pages.

Beard, D.P.1994. U.S. Bureau of Reclamation revamps efforts to help fish. Fisheries 19(7):6-7.

Beard, J.M.1988. Pond removal and stocking procedures of razorback suckers, Xyrauchen texanus. U.S. Fish and Wildlife Service Colorado River Fishery Project, Vernal, Colorado.

Beard, J.M.1988. Razorback sucker propagation 1988. U.S. Fish and Wildlife Service Colorado River Fishery Project, Vernal, Colorado.

Beard, J.M.1989. Razorback sucker propagation 1987. U.S. Fish and Wildlife Service Colorado River Fishery Project, Vernal, Colorado.

Beeny, L.1994. Natives. Wyoming Wildlife 58(11):20-29.

Behnke, R.J.1973. Humpback sucker, Xyrauchen texanus U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

Behnke, R.J.1980. The impacts of habitat alterations on the endangered and threatened fishes of the upper Colorado River basin. Pages 204-216 in W.O.J. Spofford, A.L. Parker and A.V. Kneese, eds. Energy Development and the Water, Fish, and Wildlife in the

Behnke, R.J. and D.E. Benson.1980. Endangered and threatened fishes of the upper Colorado River basin. Colorado State University Cooperative Extension Service Bulletin 503A, Fort Collins. 34 pages.

Berry, C.R., Jr.1984. Hematology of four rare Colorado River Fishes. Copeia 3:790-793.

Bestgen, K.R.1990. Status review of the razorback sucker, Xyrauchen texanus. U.S. Bureau of Reclamation Upper Colorado Regional Office, Salt Lake City, Utah. 92 pages.

Binns, N.A.1967. Effects of rotenone treatment on the fauna of the Green River, Wyoming. Wyoming Game and Fish Commission, Cheyenne.

Blazer, V.S., D.L. Fabacher, E.E. Little, M.S. Ewing and K.M. Kocan.1997. Effects of ultraviolet-B radiation on fish: histologic comparison of a UVB-sensitive and a UVB-tolerant species. Journal of Aquatic Animal Health 9(2):132-143.

Bliesner, R. and V. Lamarra.2000. Hydrology, geomorphology and habitat studies. Final report. San Juan River Basin Recovery Implementation Program. U.S Fish and Wildlife Service, Albuquerque, New Mexico.

Bolin, J.H., Jr.1993. Of razorbacks and reservoirs: the Endangered Species Act's protection of endangered Colorado River basin fish. Pace Environmental Law Review 11(1):35-87.

Bozek, M.A.1984. Factors affecting the reproductive success of razorback suckers and bonytail chubs in Lake Mohave, Arizona-Nevada during 1982-1983. Master's Thesis, University of Nevada, Las Vegas. 147 pages.

Bozek, M.A., L.J. Paulson and G.R. Wilde.1990. Effects of ambient Lake Mohave temperatures on development, oxygen consumption, and hatching success of the razorback sucker. Environmental Biology of Fishes 27(4):255-263.

Bozek, M.A., L.J. Paulson and J.E. Deacon.1984. Factors affecting reproductive success of bonytail chubs and razorback suckers in Lake Mohave. Final report. U.S. Fish and Wildlife Service, Albuquerque, New Mexico, Contract 14-16-0002-81-251. University of

Bozek, M.A., L.J. Paulson, G.R. Wilde and J.E. Deacon.1991. Spawning season of the razorback sucker, Xyrauchen texanus in Lake Mohave, Arizona and Nevada. Journal of Freshwater Ecology 6(1):61-73.

Bradford, R.H. and S.D. Gurtin.2000. Habitat use by hatchery-reared adult razorback suckers released into the lower Colorado River, California-Arizona. North American Journal of Fisheries Management 20(1):154-167.

Bradford, R.H., S.D. Gurtin and B.R. Vlach.1998. Habitat use by razorback suckers implanted with ultra-sonic transmitters and released into the lower Imperial Division, Colorado River. Contract report No. 3, Cooperative Agreement 3-FC-34-08243, Arizona Ga

Branson, B.A. and J.B. Owen.1966. Observations on breeding tubercles in Xyrauchen texanus (Abbott). Southwestern Naturalist 11:301.

Brooks, J.E.1986. Annual reintroduction and monitoring report for razorback sucker (Xyrauchen texanus), into the Gila River basin, Arizona, 1985. U.S. Fish and Wildlife Service Office of Endangered Species, Albuquerque, New Mexico. 23 pages.

Brooks, J.E.1987. Differing perspectives on razorback sucker management in the upper and Lower Colorado River basins. Proceedings of the Desert Fishes Council 17:179-180.

Brooks, J.E., M.J. Buntjer and J.R. Smith2000. Nonnative species interactions: management implications to aid in recovery of the Colorado pikeminnow Ptychocheilus lucius and razorback sucker Xyrauchen texanus in the San Juan River, Colorado-New Mexico-Uta

Brooks, J.E., P.C. Marsh and W.L. Minckley.1985. Re-introduction and monitoring of razorback sucker in the Lower Colorado River basin. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:203.

Brookshire, D.S., M. McKee and G. Watts.1994. Economic analysis of critical habitat designation in the Colorado River basin for the razorback sucker, humpback chub, Colorado squawfish, and bonytail. U.S. Fish and Wildlife Service, Denver, Colorado.

Brookshire, D.S., M. McKee, et al.1993. Economic analysis of proposed critical habitat designation in the Colorado River basin for the razorback sucker, humpback chub, Colorado squawfish, and bonytail. Draft. U.S. Bureau of Land Management, Washington, D.

Brussard, P.F., D.S. Dobkin, L.C. Ball, et.al.No Date. Great Basin Mohave Desert Region. U.S. Geological Survey Status and Trends of the Nation's Biological Resources, .

Buhl, K.J.1997. Relative sensitivity of three endangered fishes, Colorado squawfish, bonytail, and razorback sucker, to selected metal pollutants. Ecotoxicology and Environmental Safety 37(2):186-192.

Buhl, K.J. and S.J. Hamilton.1996. Toxicity of inorganic contaminants, individually and in environmental mixtures, to three endangered fishes (Colorado squawfish, bonytail, and razorback sucker). Archives of Environmental Contamination and Toxicology 30:8

Bulkley, R.V. and R. Pimental.1983. Temperature preference and avoidance by adult razorback suckers. Transactions of the American Fisheries Society 112(5):601-607.

Bulkley, R.V. and R. Pimental.1983. Temperature preference and avoidance of razorback suckers and management implications. Encyclia 60:150.

Burdick, B.D.1992. A plan to evaluate stocking to augment or restore razorback sucker in the upper Colorado River. Final report. U.S. Fish and Wildlife Service Colorado River Fishery Project, Grand Junction. 56 pages.

Burdick, B.D.1997. Minimum flow recommendation for passage of Colorado squawfish and razorback sucker in the 2.3-mile reach of the Lower Gunnison River : Redlands Diversion Dam to the Colorado River confluence. Final report to Recovery Implementation Prog

Burdick, B.D. and R.B. Bonar.1997. Experimental stocking of adult razorback sucker in the upper Colorado and Gunnison Rivers. Final report to Recovery Implementation Program. U.S. Fish and Wildlife Service Colorado River Recovery Program, Grand Junction,

Burdick, B.D. and R.L. Hamman.1993. A study to evaluate several tagging and marking systems for Colorado squawfish, razorback sucker, and bonytail. Final report. U.S. Fish and Wildlife Service Colorado River Fishery Project, Grand Junction. 56 pages.

Burdick, B.D., R.S. Wydoski and C.W. McAda.1995. Stocking plan for razorback sucker in the upper Colorado and Gunnison Rivers. Final report. U.S. Fish and Wildlife Service Recovery Implementation Program for the Endangered Fishes of the Upper Colorado Riv

Burke, T.1993. Agency report: Bureau of Reclamation, Lower Colorado Region. Proceedings of the Desert Fishes Council 24:12-13.

Burke, T.1995. Rearing wild razorback sucker larvae in lake-side backwaters, Lake Mohave, Arizona/Nevada. Proceedings of the Desert Fishes Council 26:35.

Burke, T.No Date. Risk assessment for entrainment into canals and passage through power plants of razorback and bonytail chub in lower Colorado River. .

Burke, T., et.al.1994. Lake Mohave razorback sucker rearing program: 1994 accomplishments. 8 pages.

Burke, T.A.1990. Ichthyoplankton drift past Headgate Rock Diversion Dam Colorado River, Arizona/California. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 70:133.

Buth, D.G., R.W. Murphy and L. Ulmer.1987. Population differentiation and introgressive hybridization of the flannelmouth sucker and of hatchery and native stocks of the razorback sucker. Transactions of the American Fisheries Society 116(1):103-110.

Buth, D.G., T.R. Haglund and S. Drill.1993. Preliminary report on razorback suckers from Etter Pond. University of California Los Angeles, Department of Biology, Los Angeles. 8+ pages.

Buth, D.G., T.R. Haglund and S.L. Drill.1995. Allozyme variation and population structure in the razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 26:28.

Buth, D.G., T.R. Haglund and V.P.F. Cassano.1993. Gene expression in the razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 24:41.

California Department of Fish and Game.1978. At the crossroads 1978: a report on California's endangered and rare fish and wildlife. California Department of Fish and Game, Sacramento. 114 pages.

Campbell, S.1998. Ecology of western river reservoirs. U.S. Bureau of Reclamation, 4 April 1999 .

Carmichael, G.J., J.H. Williamson, O.T. Gorman and T.R. Tiersch.1996. Field propagation techniques for the endangered razorback sucker. North American Journal of Fisheries Management 16(4):963-966.

Carpenter, J.1995. Native and nonnative fish interactions in selected rivers of the southwest and intermountain west. U.S. Fish and Wildlife Service, 4 April 1999 .

Carter, J.C., R.A. Valdez, R.J. Ryel and V.A. Lamarra.1985. Fisheries habitat dynamics in the upper Colorado River. Journal of Freshwater Ecology 3(2):249-264.

Collins, K.1994. Conceptual management plan for razorback sucker habitat enhancement in flooded bottomlands, Scott M. Matheson Wetland Preserve Moab, Utah. Colorado River Recovery Program. 36 pages.

Cooke, A.L.1993. Hematological parameters of catostomidae. Master's Thesis, University of Louisville. 191 pages.

Courtois, L.A.1981. Lightweight, adjustable, and portable surgical table for fisheries work in the field. Progressive Fish Culturist 43(1):55-56.

Courtois, L.A., T.J. Mills and V.M. Boccone.1978. Humpback sucker. Pages 42-43 in Endangered, Threatened, and Rare Fish: Fishes. California Department Fish and Game, Sacramento.

Creef, E.D. and R.W. Clarkson.1993. Movement patterns and habitat use of razorback suckers (Xyrauchen texanus) in the Verde River, Arizona. Proceedings of the Desert Fishes Council 24:63.

Crowl, T.A. and N.W. Bouwes1997. Modeling population dynamics of Colorado squawfish, razorback sucker, and humpback chub for management objective development. Utah State University, Aquatic Ecology. 62 pages.

D.L. Fabacher and E.E. Little.1996. Skin component may protect fishes from sunburn and fungal infection resulting from exposure to ultraviolet-B radiation. Pages 241-250 in J.S. Stolen, T.C. Fletcher, C.J. Bayne, C.J. Secombes, J.-T. Zelikoff, L.E. Twerdo

Davis, D.L., D.K. Shiozawa and R.P. Evans.1994. An appraisal of the usefulness of polymerase chain reaction amplified mitochondrial DNA to separate some western catostomids. Proceedings of the Desert Fishes Council 25:30.

Deacon, J.E. and J.E. Williams.1984. Annotated list of the fishes of Nevada. Proceedings of the Biological Society of Washington 97(1):103-118.

Demlong, M.1997. Desert fish. Endangered Species Update 14(5-6):17-18.

Douglas, M.E. and P.C. Marsh.1998. Population and survival estimates of Catostomus latipinnis in northern Grand Canyon, with distribution and abundance of hybrids with Xyrauchen texanus. Copeia 12(4):915-925.

Douglas, M.R. and M.E. Douglas.2000. Late season reproduction by big-river catostomidae in Grand Canyon (Arizona). Copeia (Gainesville) 2000(1):238-244.

Douglas, P.A.1952. Notes on the spawning of humpback sucker, Xyrauchen texanus. California Fish and Game 38:149-155.

Dowling, T.E. and W.L. Minckley.1993. Mitochondrial DNA diversity within and among populations of the razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 24:64.

Dowling, T.E. and W.L. Minckley.1994. Genetic diversity of razorback sucker as determined by restriction endonuclease analysis of mitochodrial DNA. 45 pages.

Dowling, T.E., W.L. Minckley and P.C. Marsh.1996. Mitochondrial DNA diversity within and among populations of razorback sucker (Xyrauchen texanus) as determined by restriction endonuclease analysis. Copeia 3:542-550.

Dowling, T.E., W.L. Minckley, P.C. Marsh and E.S. Goldstein.1996. Mitochondrial DNA variability in the endangered razorback sucker (Xyrauchen texanus): analysis of hatchery stocks and implication for captive propagation. Conservation Biology 10(1):120-127

Drill, S.L.1994. A genetic analysis of artificial propagation of the endangered razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 26:29.

Duncan, R.B.1996. Baseline and history of six wildlife species federally listed as threatened or endangered in the San Pedro River watershed, Arizona. Southwestern Field Biologists report to Department of Army. Directorate of Engineering and Housing, Envi

Dwyer, F.J., D.K. Hardesty, C.E. Henke, C.G. Ingersol and D.W. Whites.1999. Assessing contaminant sensitivity of endangered and threatened species: effluent toxicity tests. U.S. Geological Survey Biological Resources Division, Columbia, Missouri. 18 pages

Eastman, J.T.1980. The caudal skeletons of catostomid fishes. American Midland Naturalist 103(1):133-148.

Echell, A.A.1991. Conservation genetics and genetic diversity in freshwater fishes of Western North America. Pages 141-153 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona

Fairchild, J.F., A.L. Allert, J. Mizzi, R. Reisenburg and B. Waddell.1999. Determination of a safe level of ammonia that is protective of juvenile Colorado pikeminnow in the upper Colorado River, Utah. 1998 Quick Response Program, Final report. U.S. Fish

Ferriole, S.1988. Wildlife resource information system: razorback sucker mapping criteria for the Colorado, Dolores, Gunnison, Green, White, and Yampa Rivers. Colorado Division of Wildlife, Grand Junction.

Filipski, A.J. and T.E. Dowling.1993. Tests of models explaining patterns of mitochondrial DNA diversity among populations of razorback sucker by computer simulation. Proceedings of the Desert Fishes Council 24:64-65.

Flug, M.No Date. Ecosystem Resource Considerations in Reservoir Management. .

Foster, D.K. and G.A. Mueller.1999. Movement patterns, behavior, and habitat use of razorback sucker stocked into the Green River at Canyonlands National Park, Utah. Open-file report 99-107. U.S. Geological Survey, Fort Collins, Colorado.

Gear, R.D.1980. Memorandum: Request for participation and partial funding of a razorback sucker and endangered bonytail chub study in Lake Mohave. U.S. Bureau of Reclamation Water and Power Resources Service, Boulder City, Nevada. 15 pages.

Gobalet, K.W.1992. Colorado River fishes of Lake Cahuilla, Salton basin, southern California: a cautionary tale for zooarchaelogists. Bulletin of the Southern California Academy of Sciences 91(2):70-83.

Gobalet, K.W.1994. Additional archaeological evidence for Colorado River fishes in the Salton Basin of southern California. Bulletin of the Southern California Academy of Sciences 93(1):38-41.

Gorman, O.T., T.R. Tiersch, J.H. Williamson and G.J. Carmichael.1995. Germplasm storage to preserve genetic resources in the razorback sucker and bonytail chub. Proceedings of the Desert Fishes Council 26:29.

Gurtin, S.D. and R.H. Bradford.2000. A race against time: saving the endangered razorback sucker. Arizona Wildlife Views, Arizona Game and Fish Department, Phoenix, 43:26-27.

Gurtin, S.D. and R.H. Bradford.2000. Use of habitat and associated habitat characteristics used by hatchery-reared adult razorback suckers implanted with ultra-sonic transmitters and released into the lower Imperial Division, Colorado River. Contract repo

Gustafson, E.1975. Early development, adult sexual dimorphism, and fecundity of the razorback sucker, Xyrauchen texanus (Abbott). Final report. No Source.

Gustafson, E.S.1975. Capture, disposition, and status of adult razorback suckers from Lake Mohave, Arizona. Arizona State University, Tempe.

Gutermuth, F.B., L.D. Lentsch and K.R. Bestgen.1994. Collection of age-0 razorback sucker (Xyrauchen texanus) in the Lower Green River, Utah. Southwestern Naturalist 39(4):389-391.

Haines, B., et al.1996. Umbrella project: chemoreception, imprinting and propagation of Colorado squawfish and razorback sucker. Project 31. FY 96 Annual Report of the Recovery Program for Endangered Fishes of the upper Colorado River Basin. U.S. Fish and

Haines, G.B., S.H. Severson and T. Modde.1998. Evaluation of razorback sucker and Colorado squawfish batch marking techniques. Progressive Fish Culturist 60(4):272-275.

Haines, G.B., S.H. Severson, et al.1997. Evaluation of batch marking techniques for culturing the endangered razorback sucker and Colorado squawfish. U.S. Fish and Wildlife Service Colorado River Fish Project. 18 pages.

Hamill, J.F.1993. Endangered Colorado River fishes (upper basin). Proceedings of the Desert Fishes Council 24:5.

Hamill, J.F.1994. Endangered Colorado River fishes (upper basin). Proceedings of the Desert Fishes Council 25:1-2.

Hamill, J.F.1995. Background and overview of the recovery program for endangered fishes in the upper Colorado River basin. Proceedings of the Desert Fishes Council 26:95.

Hamilton, S.No Date. Toxicity of simulated agricultural irrigation drainwater to Colorado squawfish, bonytail chub, and razorback sucker from the Green River Basin. CERC Research Projects .

Hamilton, S. and S. Finger.1998. Effects of Siltation and Salinization of the San Juan River on the Survival and Recovery of the Colorado Squawfish and Razorback Sucker U.S. Bureau of Land Management, .

Hamilton, S.J1992. Yankton FRS studies contaminant effects on endangered fish species. Endangered Species Technical Bulletin 18:19.

Hamilton, S.J.1993. Significance of selenium in eggs and milt of razorback suckers in the middle Green River. Final report. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 22 pages.

Hamilton, S.J.1995. Hazard assessment of inorganics to three endangered fish in the Green River, Utah. Ecotoxicology and Environmental Safety 30(2):134-142.

Hamilton, S.J.1998. Selenium effects on endangered fish in the Colorado River basin. Pages 297-313 in W.T. Frankenberger and R.A. Engberg, eds. Environmental Chemistry of Selenium. Marcel Dekker, New York, New York.

Hamilton, S.J.1999. Hypothesis of historical effects from selenium on endangered fish in the Colorado River basin. Pages 513-516 in Proceedings of the American Water Resources Conference, Watershed Management to Protect Declining Species, Seattle, WA. De

Hamilton, S.J.2000. Hypothesis of historical effects from selenium on endangered fish in the Colorado River basin. Human and Ecological Risk Assessment 5(6):1153-1180.

Hamilton, S.J. and B. Waddell.1994. Selenium in eggs and milt of razorback sucker (Xyrauchen texanus) in the Middle Green River, Utah. Archives of Environmental Contamination and Toxicology 27(2):195-201.

Hamilton, S.J. and K.J. Buhl.1992. Contaminants may be adversely impacting endangered fish in the upper Colorado River. Western Division of the American Fisheries Society. 17 pages.

Hamilton, S.J. and K.J. Buhl.1995. Hazard assessment of inorganics, singly and in mixtures to Colorado squawfish and razorback sucker in the San Juan River, New Mexico. Final report. U.S. Bureau of Reclamation San Juan River Recovery Implementation Progra

Hamilton, S.J. and K.J. Buhl.1996. Evaluation of toxicity to larval razorback sucker of selenium-laden food organisms from Ouray NWR on the Green River, Utah. U.S. Fish and Wildlife Service, Denver, Colorado. 79 pages.

Hamilton, S.J. and K.J. Buhl.1997. Hazard assessment of inorganics, individually and in mixtures, to two endangered fish in the San Juan River, New Mexico. Environmental Toxicology and Water Quality 12:195-209.

Hamilton, S.J., K.J. Buhl, F.A. Bullard and E.E. Little.2000. Chronic toxicity and hazard assessment of an inorganic mixture simulating irrigation drainwater to razorback sucker and bonytail. Environmental Toxicology 15(1):48-64

Hamilton, S.J., K.M. Holley, K.J. Buhl and F.A. Bullard.2000. Effects of selenium on reproduction of endangered razorback sucker. Pages 509-512 in Proceedings of the American Water Resources Conference, Watershed Management to Protect Declining Species,

Hamilton, S.J., K.M. Holley, K.J. Buhl, F.A. Bullard, L.K. Weston and S.F. McDonald.2000. The on-site evaluation of contaminant impacts on razorback sucker in flooded bottomland sites in the upper Colorado River basin -- 1996. Draft report to the Recovery

Hamilton, S.J., R.T. Muth, B. Waddell and T.W. May.1998. Selenium and other trace elements in wild larval razorback suckers from the Green River, Utah. U.S. Geological Survey, Yankton, SD. Final report to the National Irrigation Water Quality Program. Den

Hamilton, S.J., R.T. Muth, B. Waddell and T.W. May.2000. Hazard assessment of selenium and other trace elements in wild larval razorback sucker from the Green River, Utah. Ecotoxicology and Environmental Safety 45:132-147

Hamman, R.L.1985. Induced spawning of hatchery-reared bonytail. Progressive Fish Culturist 47:239-241.

Hamman, R.L.1985. Induced spawning of hatchery-reared razorback sucker. Progressive Fish Culturist 47(3):187-189.

Hamman, R.L.1987. Survival of razorback suckers cultured in earthen ponds. Progressive Fish Culturist 49(2):138-140.

Heggen, A.W.1980. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Performance report - SE-2(CO-OP), October 1, 1979 - June 30, 1980. Utah Division of Wildlife Resources, Salt Lake City. 1 page.

Heinrich, J.E. and J.C. Sjoberg.1993. Status of Nevada fishes. Proceedings of the Desert Fishes Council 25:10-13.

Hendrickson, D.A.1992. Arizona stockings of razorbacks and squawfish: History and future research and management challenges. Proceedings of the Desert Fishes Council 23:70.

Hendrickson, D.A. and D.M. Kubly.1990. Grand Canyon humpback chub and razorback sucker monitoring project 1990 scope of work submitted 2/8/90 to National Park Service, Grand Canyon and Navajo Fish and Wildlife Window Rock, Arizona. Arizona Game and Fish D

Herrman, R., R. Stottlemyer and L. Scherbarth.No Date. Water use. U.S. Geological Survey Status and Trends of the Nation's Biological Resources, .

Hinchman, S.1990. Endangered fish halt a Colorado dam. High Country News 22(10,21 May):7.

Hines, R.T.1995. Influence of suspended sediments on larval razorback sucker Xyrauchen texanus vulnerability to predation. Proceedings of the Desert Fishes Council 26:36.

Hoetker, G.M. and K.W. Gobalet.1999. Fossil razorback sucker (Pisces: Catostomidae, Xyrauchen texanus) from southeastern California. Copeia (Gainesville) (3):755-759.

Holden, P.B.1973. Distribution, abundance and life history of the fishes of the upper Colorado River basin. Ph.D. Dissertation, Utah State University, Logan. 59 pages.

Holden, P.B.1977. Habitat requirements of juvenile Colorado River squawfish. U.S. Fish and Wildlife Service Office of Biological Survey, Fort Collins, Colorado.

Holden, P.B.1991. Ghosts of the Green River: impacts of Green River poisoning in management of native fishes. Pages 43-54 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona

Holden, P.B.2000. Program evaluation report for the 7-year research period (1991-1997). San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

Holden, P.B. and C.B. Stalnaker.1975. Distribution of fishes in the Dolores and Yampa River systems of the upper Colorado basin. Southwestern Naturalist 19(4):403-412.

Horn, M.J.1995. Use of storage lipids as an indicator of nutritional status of individual larvae of the razorback sucker (Xyrauchen texanus). Proceedings of the Desert Fishes Council 26:35.

Horn, M.J.1996. Nutritional limitation of recruitment in the razorback (Xyrauchen texanus). Dissertation Abstracts International 57-10B:6128.

Horn, M.J. and P.C. Marsh.1992. Predation by odonate naiads on larval razorback suckers under laboratory conditions. Final report. U.S. Bureau of Reclamation, Denver, Colorado. 8 pages.

Horn, M.J. and P.C. Marsh.1993. Production of razorback sucker in a backwater at Yuma Cove, Lake Mohave, Arizona and Nevada, 1992. Arizona State University, Tempe. 20+ pages.

Horn, M.J., P.C Marsh, G.A. Mueller and T.A. Burke.1994. Predation by odonate nymphs on larval razorback suckers (Xyrauchen texanus) under laboratory conditions. Southwestern Naturalist 39(4):371-374.

Hubbs, C.L. and L.C. Hubbs.1947. Natural hybrids between two species of catostomid fishes. Papers of the Michigan Academy of Science, Arts and Letters 31:147-167.

Hubbs, C.L. and R.R. Miller.1953. Hybridization in nature between the genera Catostomus and Xyrauchen. Papers of the Michigan Academy of Science, Arts and Letters 38:207-233.

Inslee, T.D.1981. Spawning of razorback suckers, Xyrauchen texanus. Dexter National Fish Hatchery, Dexter, New Mexico. 20 pages.

Inslee, T.D.1982. Spawning and hatching of the razorback sucker (Xyrauchen texanus). Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 62:431-432.

James, S.R.1993. Cyprinids and catostomids from the prehistoric Hohokam site of Pueblo Grande in Phoenix, Arizona. Proceedings of the Desert Fishes Council 24:28.

Jensen, B.L.1980. Memorandum: Status report on wild Colorado squawfish, bonytail chub, and razorback suckers. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.

Johnson, J.E.1985. Reintroducing the natives: razorback sucker. Proceedings of the Desert Fishes Council 13-15:73-79.

Johnson, J.E.No Date. Imperiled freshwater fishes. .

Johnson, J.E. and B.L. Jensen.1991. Hatcheries for endangered freshwater fishes. Pages 199-217 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona Press, Tucson.

Johnson, J.E. and J.N. Rinne.1982. Endangered Species Act and southwest fishes. Fisheries 7(3):2-7.

Johnson, J.E. and R.T. Hines.1999. Effect of suspended sediment on vulnerability of young razorback suckers to predation. Transactions of the American Fisheries Society 128(4):648-655.

Johnson, J.E., M. Lyttle and M. Pardew.1992. Predator recognition and avoidance by larval razorback sucker and northern hogsucker. Proceedings of the Desert Fishes Council 23:17.

Johnson, J.E., M.G. Pardew and M.M. Lyttle.1993. Predator recognition and avoidance by larval razorback sucker and northern hog sucker Transactions of the American Fisheries Society 112(6):1139-1145.

Jones, S.B., L.B. King, L.C. Sappington, F.J. Dwyer, M. Ellersieck and D.R. Buckler.1998. Effects of carbaryl, permethrin, 4-nonylphenol, and copper on muscarinic cholinergic receptors in brain of surrogate and listed fish species. Comparative Biochemistr

Keenan, C.L. and T. Miller.1980. Population responses of Hyallella azteca in the Colorado River to periphyton standing crop and predation by the razorback sucker (Xyrauchen texanus). Bulletin of the Ecological Society of America 61(2):152.

Kelly, J.P.1999. An ichthyological survey of the Davy Crockett National Forest, Texas. Texas Journal of Science (College Station) 51(2):115-126.

Kimball, J.F., E. Archer, T.A. Crowl and M. Trammell.2000. Abundance of age-0 native fish species and nursery habitat quality and availability in the San Juan River, New Mexico, Colorado and Utah. San Juan River Basin Recovery Implementation Program, U.S.

Kinsolving, A.D. and M.B. Bain.1990. A new approach for measuring cover in fish habitat studies. Journal of Freshwater Ecology 5(3):373-378.

Kramer, R.H.1967. Green River fishes and invertebrates. Utah Cooperative Fishery Research Unit, Logan.

Kubly, D.M. and K.L. Young.1993. Arizona Game and Fish Department, 1991-1992 activities. Proceedings of the Desert Fishes Council 24:7-8.

Landye, J., B. McCasland, C. Hart, K. Hayden, J.C. Thoesen1999. San Juan River Fish Health Surveys (1992 - 1999). San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico

Langhorst, D.R.1987. Larval razorback sucker, Xyrauchen texanus, in Lake Mohave, AZ-Nevada. Proceedings of the Desert Fishes Council 17:164-165.

Langhorst, D.R.1989. A monitoring study of razorback sucker, Xyrauchen texanus, reintroduced into the lower Colorado River in 1988. California Department of Fish and Game, Blythe. (Contract #FG-7494).

Langhorst, D.R. and P.C. Marsh.1986. Early life history of razorback sucker in Lake Mohave. Final report. U.S. Bureau of Reclamation Lower Colorado Region, Boulder City, Nevada. 36 pages.

Langlois, D.1977. Status of the razorback sucker and bonytail chub in western Colorado. Colorado Division of Wildlife Department of Natural Resources, Denver. 12 pages.

Lanigan, S.H. and C.R. Berry, Jr.1979. Distribution and abundance of endemic fishes in the White River in Utah. Utah Cooperative Fish and Wildlife Unit, Logan. 93 pages.

Lanigan, S.H. and H.M. Tyus.1988. Abundance, status, and rearing of razorback sucker (Xyrauchen texanus) in the Green River basin of Utah, U.S.A. Proceedings of the Desert Fishes Council 19:136-148.

Lanigan, S.H. and H.M. Tyus.1989. Population size and status of the razorback sucker in the Green River basin, Utah and Colorado. North American Journal of Fisheries Management 9(1):68-73.

Leiker, T.J., H.E. Bevans and S.L. Goodbred.No Date. Halogenated Organic Compounds in Endocrine-Disrupted Male Carp from Las Vegas Wash and Lake Mead, Nevada .

Lennon, R.E. and B.L. Berger.1970. A resume on field applications of antimycin A to control fish. U.S. Fish and Wildlife Service Investigations in Fish Control 5(40):1-19.

Lentsch, L., T. Crowl, P. Nelson and T. Modde.1996. Levee removal strategic plan. Final report. Division of Wildlife Resources, Salt Lake City, Utah.

Lentsch, L.D., R.T. Muth, P.D. Thompson, B.G. Hoskins and T.A. Crowl.1996. Options for selective control of nonnative fishes in the upper Colorado River basin. Utah Division of Wildlife Resources, Salt Lake City.

Lieberman, D.1996. Water quality in western rivers reservoirs. U.S. Bureau of Reclamation, 22 December 1997 .

Little, E.E. and D.L. Fabacher.1996. Exposure of freshwater fish to simulated solar UVB radiation. Pages 141-158 in G.K. Ostrander, ed. Techniques in Aquatic Toxicology. Lewis Publishers.

Lockard, D.V., N.M. Wood and R.C. Allan.1971. Statewide fisheries management: vulnerability of game fish to spearfishing, Lake Mead. Nevada Fish and Game Commission. 18 pages.

Loudermilk, W.E.1981. Aspects of razorback sucker (Xyrauchen texanus, Abbott) life history which help explain their decline. Proceedings of the Desert Fishes Council 133:67-72.

Loudermilk, W.E. and L.C. Ulmer.1985. A fishery inventory with emphasis on razorback sucker (Xyrauchen texanus) status in the lower Colorado River, state of California. The Resources Agency, Department of Fish and Game. 27 pages.

Lower Colorado River MSCP2000. Many titles - see website. .

Maddux, H.R., L.A. Fitzpatrick, W. Noonan and H. Tyus.1993. Proposed determination of critical habitat for the Colorado River endangered fishes: razorback sucker, Colorado squawfish, humpback chub and bonytail chub. Federal Register 58(18):6578-6597.

Maddux, H.R., W.R. Noonan, L.A. Fitzpatrick and H.M. Tyus.1994. Determination of critical habitat for four Colorado River fishes: final rule. Federal Register 59:13374-13400.

Madson, C.1994. Between two worlds. Wyoming Wildlife 58(11):30-33.

Marsh, P.C.1985. Effect of incubation temperature on survival of embryos of native Colorado River fishes. Southwestern Naturalist 30(1):129-140.

Marsh, P.C.1987. Razorback sucker management in Arizona. Proceedings of the Desert Fishes Council 17:181-182.

Marsh, P.C.1987. Food of adult razorback sucker in Lake Mohave, Arizona-Nevada. Transactions of the American Fisheries Society 116:117-119.

Marsh, P.C.1987. Digestive tract contents of adult razorback suckers in Lake Mohave, Arizona-Nevada. Transactions of the American Fisheries Society 116(1):117-119.

Marsh, P.C.1987. Native fishes at Buenos Aires National Wildlife Refuge and Arizona State University Research Park, Arizona: opportunities for management, research and public education on endangered species. Proceedings of the Desert Fishes Council 19:67-

Marsh, P.C.1993. Summary of manual spawning of razorback suckers at Lake Mohave, Arizona, 1993. U.S. Bureau of Reclamation, Boulder City, Nevada. 3 pages.

Marsh, P.C.1994. Protocol for capture of wild razorback sucker larvae from Lake Mohave, Arizona and Nevada. U.S. Bureau of Reclamation, Boulder City, Nevada. 8 pages.

Marsh, P.C.1994. Abundance, movements, and status of adult razorback sucker, Xyrauchen texanus, in Lake Mohave, Arizona and Nevada. Proceedings of the Desert Fishes Council 25:35-36.

Marsh, P.C.1996. Threatened fishes of the world: Xyrauchen texanus (Abbott, 1860). Environmental Biology of Fishes 45(3):258.

Marsh, P.C.1996. Analysis of larval razorback sucker collections from Lake Mohave, Arizona and Nevada. U.S. Bureau of Reclamation, Boulder City, Nevada. 79 pages.

Marsh, P.C.1997. Razorback sucker monitoring in Lake Mohave, Arizona and Nevada, for the period 01 November 1995 to 31 December 1996. U.S. Bureau of Reclamation, Boulder City, Nevada. 14+ pages.

Marsh, P.C.1997. Collection of razorback sucker larvae from Lake Mohave, Arizona and Nevada, during the period 10 February through 14 March 1997. U.S. Bureau of Reclamation, Boulder City, Nevada. 4 pages. + appendix

Marsh, P.C.1999. Movements of sub-adult razorback sucker in a Colorado River Reservoir. Interim Progress report for Cooperative Agreement No. 1445-0009-94-1108, subagreement 6, with Arizona State University, Tempe, AZ. Arizona State University, Tempe.

Marsh, P.C.2000. Fish population status and evaluation in the Cibola High Levee Pond. Final report, Agreement Number 99-FG-30-00051. U.S. Bureau of Reclamation, Boulder City Nevada. 20 pages.

Marsh, P.C. and B.R. Kesner.1999. Movements of sub-adult razorback sucker in a Colorado River reservoir. Report Part 2, Cooperative Agreement 1445-0009-94-1108. U.S. Geological Survey, Denver, Colorado. 16 pages.

Marsh, P.C. and B.R. Kesner.1999. Movements of sub-adult razorback sucker in a regulated Colorado River reach. Report Part 1, Cooperative Agreement 1445-0009-94-1108. U.S. Geological Survey, Denver, Colorado. 18 pages.

Marsh, P.C. and B.R. Kesner.2000. Movements of sub-adult razorback sucker in a regulated Colorado River reach, revisited. Report Part 3, Cooperative Agreement 1445-0009-94-1108. U.S. Geological Survey, Denver, Colorado. 23 pages.

Marsh, P.C. and C.A. Pacey.1998. Growth of wild adult razorback suckers in Lake Mohave, Arizona and Nevada. Final report. U.S. Bureau of Reclamation, Boulder City Nevada. 25 pages. + appendices

Marsh, P.C. and C.A. Pacey.2000. Endangered razorback sucker rearing program database management, lower Colorado River repatriate razorback sucker pit-tagging database summary report 1992-1999. Final report, Agreement Number 99-FG-30-0067. U.S. Bureau of

Marsh, P.C. and D. Papoulias.1989. Ichthyoplankton of Lake Havasu, a Colorado River impoundment, Arizona-California. California Fish and Game 75(2):68-73.

Marsh, P.C. and D.R. Langhorst.1988. Feeding and fate of wild larval razorback sucker. Environmental Biology of Fishes 21(1):59-67.

Marsh, P.C. and G. Mueller.2000. Spring-summer movements of bonytail in a Colorado River reservoir, Lake Mohave, Arizona and Nevada. Open File report 99-103. U.S. Geological Survey Mid-Continent Ecological Science Center, Fort Collins, Colorado. 26+ pages

Marsh, P.C. and H.M. Tyus.1994. Razorback sucker. Contribution to compendium. Pages 372-374 in C.G. Thelander, ed. Life on the Edge: A Guide to California's Endangered Natural Resources. Biosystem Books, Santa Cruz, California.

Marsh, P.C. and J.E. Brooks.1989. Predation by ictalurid catfishes as a deterrent to re-establishment of hatchery-reared razorback suckers. Southwestern Naturalist 34(2):188-195.

Marsh, P.C. and M.S. Pisano.1982. Influence of temperature on development and hatching success of native Colorado River fishes. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 62:434.

Marsh, P.C. and W.L. Minckley.1989. Radiotagging razorback suckers: Gila River, Arizona 1988-1989. Arizona State University Center for Environmental Studies and Department of Zoology, Tempe. 11 pages.

Marsh, P.C. and W.L. Minckley.1989. Observations on recruitment and ecology of razorback sucker: lower Colorado River, Arizona-California-Nevada. Great Basin Naturalist 49(1):71-78.

Marsh, P.C. and W.L. Minckley.1989. Bonytail-razorback sucker effort, Lake Mohave, Arizona-Nevada, 1989 Summary report. Arizona State University Center for Environmental Studies, Tempe. 55 pages.

Marsh, P.C. and W.L. Minckley.1991. Radiotelemetry of razorback suckers in the Gila River, eastern Arizona. Proceedings of the Desert Fishes Council 21:163-171.

Marsh, P.C. and W.L. Minckley.1992. Status of the bonytail (Gila elegans) and razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 23(1991):18-23.

Marsh, P.C. and W.L. Minckley.1992. Status of bonytail (Gila elegans) and razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 23:18-23.

Marsh, P.C. and W.L. Minckley.1995. Species profile: razorback sucker (Xyrauchen texanus). Arizona Riparian Council 8(3):7-8.

Martinez, A.M.1995. Observed fin ray deformities resulting from handling stress in the intensive culture of razorback suckers. Colorado Division of Wildlife Fish Research Hatchery. 15 pages.

Martinez, A.M.1996. Observed growth, survival, and caudal fin ray deformities of intensively cultured razorback suckers. Progressive Fish Culturist 58(4):263-267.

Masslich, W.J. and R.A. Valdez.1992. The Dolores River as a reintroduction site for Colorado squawfish (Ptychocheilus lucius). Proceedings of the Desert Fishes Council 23:16.

McAda, C.W.1977. Aspects of life history of three catostomids native to the upper Colorado River basin. Master's Thesis, Utah State University, Logan. 104 pages.

McAda, C.W.1987. Status of the razorback sucker (Xyrauchen texanus) in the Colorado River upstream for Lake Powell. Proceedings of the Desert Fishes Council 17:185.

McAda, C.W. and L.R. Kaeding.1989. Relations between the habitat use of age-0 Colorado squawfish and those of sympatric fishes in the upper Colorado River basin. Final report. U.S. Fish and Wildlife Service Colorado River Fishery Project, Grand Junction.

McAda, C.W. and R.S. Wydoski.1980. The razorback sucker, Xyrauchen texanus, in the upper Colorado River basin, 1974-1976. U.S. Fish and Wildlife Service Technical Paper 99:1-15.

McAda, C.W., C. Philips, C.R.J. Berry and R.S. Wydoski.1977. Survey of threatened and endangered fish in southeastern Utah streams. Utah Cooperative Fishery Research Unit, Logan.

McCarthy, M.S.1986. Age of imperiled razorback sucker (Pisces, Catostomidae) from Lake Mohave, Arizona-Nevada. Master's Thesis, Arizona State University, Phoenix.

McCarthy, M.S. and W.L. Minckley.1987. Age estimation for razorback sucker (Pisces: catostomidae) from Lake Mohave, Arizona and Nevada. Journal of the Arizona-Nevada Academy of Science 21:87-97.

McKay, T.S.1990. Razorback sucker capture and transport in Lake Powell, April 1990. SERO (prepared for the Utah Division of Wildlife Resources) 7 pages.

Medel-Ulmer, L.1983. Movement and reproduction of the razorback sucker (Xyrauchen texanus) inhabiting Senator Wash Reservoir, Imperial County, California. Proceedings of the Desert Fishes Council 12:106.

Miller, R.R.1958. Origin and affinities of the freshwater fish fauna of western North America. Pages 187-222 in C.L. Hubbs, ed. Zoogeography. Publication 51, American Association for the Advancement of Science, Washington, D.C.

Miller, R.R.1964. Extinct, rare, and endangered American freshwater fishes. Proceedings of the 26th International Congress of Zoology 8:4-16.

Miller, W.H., J.J. Valentine and H.M. Tyus.1982. Colorado River Fishery Project, Part 1. U.S. Fish and Wildlife Service, Salt Lake City, Utah.

Miller, W.J. and J.A. Ptacek2000. Colorado pikeminnow habitat use in the San Juan River, New Mexico and Utah. Final Report. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico

Minckley, C.O.1994. Report of the U.S. Fish and Wildlife Service Parker Fishery Resource Office. Proceedings of the Desert Fishes Council 25:6-9.

Minckley, C.O. and S.W. Carothers.1979. Recent collections of the Colorado River squawfish and razorback sucker from the San Juan and Colorado Rivers in New Mexico and Arizona. Southwestern Naturalist 24(4):686-687.

Minckley, W.L.1983. Status of the razorback sucker, Xyrauchen texanus (Abbott), in the Lower Colorado River basin. Southwestern Naturalist 28(2):165-187.

Minckley, W.L. and E.S. Gustafson.1982. Early development of the razorback sucker, Xyrauchen texanus (Abbott). Great Basin Naturalist 42(4):553-561.

Minckley, W.L., P.C. Marsh, J.E. Brooks, J.E. Johnson and B.L. Jensen.1991. Management toward recovery of the razorback sucker. Pages 303-357 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. Un

Modde, T.1996. Floodplains and razorback sucker in the middle Green River. Proceedings of the Annual Meeting of the Utah Mosquito Abatement Association 49:7-12.

Modde, T.1996. Juvenile razorback sucker (Xyrauchen texanus) in a managed wetland adjacent to the Green River. Great Basin Naturalist 56(4):375-376.

Modde, T.1997. Investigations of razorback sucker distribution, movements and habitats used during Spring in the Green River, Utah. Final report. U.S. Fish and Wildlife Service. 40 pages.

Modde, T.1998. Fish use of Old Charley Wash: an assessment of floodplain wetland importance to razorback sucker management and recovery. Draft final report. U.S. Fish and Wildlife Service. 63 pages.

Modde, T. and D.B. Irving.1995. Seasonal movements of razorback sucker in the middle Green River, Utah. Proceedings of the Desert Fishes Council 26:27.

Modde, T. and D.B. Irving.1998. Use of multiple spawning sites and seasonal movement by razorback suckers in the Middle Green River, Utah. North American Journal of Fisheries Management 18(2):318-326.

Modde, T. and E. Wick.1993. Status review of the razorback sucker, Xyrauchen texanus, in the upper Green River. Proceedings of the Desert Fishes Council 24:59.

Modde, T., A.T. Scholz, J.H. Williamson, G.B. Haines, B.D. Burdick and F.K. Pfeifer.1995. An augmentation plan for razorback sucker in the upper Colorado River basin. American Fisheries Society 15:102-111.

Modde, T., K.P. Burnham and E.J. Wick.1996. Population status of the razorback sucker in the middle Green River (U.S.A). Conservation Biology 10(1):110-119.

Molles, M.1980. The impacts of habitat alterations and introduced species on the native fishes of the upper Colorado River basin. Pages 163-181 in W.O.J. Spofford, A.L. Parker and A.V. Kneese, eds. Energy Development and the Water, Fish, and Wildlife in t

Mpoame, M. and J.N. Rinne.1983. Parasites of some fishes native to Arizona and New Mexico. Southwestern Naturalist 28:399-405.

Mueller, G.1989. Observations of spawning razorback sucker (Xyrauchen texanus) utilizing riverine habitat in the Lower Colorado River, Arizona-Nevada. Southwestern Naturalist 34(1):147-149.

Mueller, G.1992. The native fish work group--a multi agency endeavor to improve the status of the razorback sucker in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 23:69.

Mueller, G.1994. Interagency work group attempts to save razorback sucker in Lake Mohave. Colorado Plateau 4(2):4-5.

Mueller, G.1995. A program for maintaining the razorback sucker in Lake Mohave. Pages 127-135 in H.L.J. Schramm and R.G. Piper, eds. Uses and Effects of Cultured Fishes in Aquatic Ecosystems: Proceedings of the International Symposium and Workshop Held in

Mueller, G.1995. Bonytail and razorback sucker in the Colorado River Basin. Pages 324-326 in Our Living Resources: A Report to the National on the Distribution, Abundance, and Health of U.S. plants, animals, and ecosystems. U.S. Department of the Interio

Mueller, G.1996. Establishment of a fish community of the Hayden-Rhodes and Salt-Gila aqueducts, Arizona. North American Journal of Fisheries Management (Bethesda) 16(4):795-804.

Mueller, G.1997. Restoration of the razorback sucker in the Colorado River, southwestern United States. No Source.

Mueller, G.No Date. Rescuing the razorback sucker.

Mueller, G.No Date. Extramural Investigations Supporting Endemic Fish Research and Management Programs on the Colorado and Sacramento River Basins .

Mueller, G.No Date. Colorado River native fish investigations: a study of the movements and distribution of adult and juvenile razorback suckers in Lake Mohave, Arizona-Nevada. .

Mueller, G.No Date. Baseline Fishery Investigations of the Major Tributary Arms of Lake Powell, Utah. .

Mueller, G. and E. Wick.1998. Testing of golf course ponds at Page, Arizona for suitability as grow-out facility for razorback sucker using surplus fish from Ouray National Fish Hatchery. National Park Service, U.S. Fish and Wildlife Service, Utah Divisi

Mueller, G. and P. Marsh.1995. Bonytail and razorback sucker in the Colorado River basin. Pages 324-326 in E.T. LaRoe, G.S. Farris, C.E. Puckett, D. Doran and M.J. Mac, eds. Our Living Resources: A Report to the Nation on the Distribution, Abundance, and

Mueller, G. and P. Marsh.1998. Post-stocking dispersal, habitat use, and behavioral acclimation of juvenile razorback suckers (Xyrauchen texanus) in two Colorado River reservoirs. U.S. Geological Survey, Denver Colorado. 24 pages.

Mueller, G., M. Horn, J. Kahl, Jr., T. Burke and P. Marsh.1992. Capture rates of razorback suckers (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada, using larval fish traps equipped with different light intensities and bait. Appendix C in Native Fish Wo

Mueller, G., M. Horn, J. Kahl, Jr., T. Burke and P. Marsh.1993. Use of larval light traps to capture razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada. Southwestern Naturalist 38(4):399-402.

Mueller, G., P.C. Marsh and G.W. Knowles.1988. Distribution, migratory behavior, and habitat use of razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada. Open-File report 98-252. U.S. Geological Survey Mid-Continent Ecological Science Cente

Mueller, G., P.C. Marsh, G. Knowles and T. Wolters.In Press. Distribution, migratory behavior, and habitat use of razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada. Great Basin Naturalist.

Mueller, G., T. Burke and M. Horn.1994. A program to maintain the endangered razorback sucker in a highly modified riverine habitat. Pages 77-85 in W.O. Deason and S.S. Anderson, eds. Environmental Enhancements of Water Projects. U.S. Committee on Irrigat

Mueller, G., T. Burke, J.J. Kahl, M. Horn and P.C. Marsh.1993. The collection of razorback sucker larvae (Xyrauchen texanus) using different light intensities in Lake Mohave, Arizona. Proceedings of the Desert Fishes Council 24:60.

Mueller, G., W. Rinne, T. Burke and M. Delamore.1982. Habitat selection of spawning razorback suckers observed in Arizona Bay, Lake Mohave, Arizona-Nevada. U.S. Bureau of Reclamation Lower Colorado River Region, Boulder City, Nevada.

Mueller, G., W. Rinne, T. Burke and M. Delamore.1985. Habitat selection of spawning razorback suckers observed in Arizona Bay, Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 13-15:157.

Mueller, G.A.1995. Program for maintaining the razorback sucker in Lake Mohave. Uses and effects of cultured fishes in aquatic ecosystems. Proceedings of the International Symposium and Workshop held in Albuquerque, New Mexico, 12-17 March 1994. Harold L.

Mueller, G.A. and T. Burke.In Press. Survival of young razorback sucker (Xyrauchen texanus) in relation to stocking rates (fish/ha) and in the presence or absence of predator communities in Lake Mohave, Arizona-Nevada. In Proceedings of Restoring Native

Muth, R.T. and J.B. Ruppert.1996. Effects of two electrofishing currents on captive ripe razorback suckers and subsequent egg-hatching success. North American Journal of Fisheries Management 16:473-476.

Muth, R.T. and J.B. Ruppert.1997. Effects of electrofishing fields on captive embryos and larvae of razorback sucker. North American Journal of Fisheries Management 17(1):160-166.

Muth, R.T. and S.M. Meismer.1995. Marking otoliths in razorback sucker embryos and larvae with fluorescent chemicals Southwestern Naturalist 40(2):241-244.

Muth, R.T. and S.P. Platania.1985. Comparative morphology of the interneural bones of metalarval and early-juvenile razorback sucker (Xyrauchen texanus), bluehead sucker (Catostomus discobolus), and flannelmouth sucker (Catostomus latipinnis), from the up

Muth, R.T., et al.1998. Reproduction and early life history of razorback sucker in the Green River, Utah and Colorado, 1992-1996. Colorado River Recovery Implementation Program. 62 pages.

Nelson, P.C., C.W. McAda and D. Wydoski.1995. The potential for nonnative fishes to occupy and/or benefit from enhanced or restored floodplain habitat and adversely impact the razorback sucker. An issue paper. Recovery Implementation Program for Endangere

Nicola, S.J.1979. Endangered, threatened, and rare fish: fisheries problems associated with the development of the lower Colorado River. California Department of Fish and Game Project Number Cal E-F-001-R.

No author.1993. Environmental assessment of remedial action at the Naturita Uranium processing site near Naturita, Colorado. Revision 1. U.S. Department of Energy, Albuquerque, New Mexico, Uranium Mill Tailings Remedial Action Project Office. 131 pages.

No author.1993. Coordination Committee 19 October 1993 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1993. San Juan River Basin Recovery Implementation Program Coordination Committee Meeting 15 June 1993. .

No author.1994. Selenium may harm razorback suckers in the Green River, Utah. National Biological Service Research Information Bulletin, Number 14.

No author.1994. Coordination Committee 30 June 1994 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1994. Coordination Committee 3 November 1994 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1994. Endangered fish in the Green River of Utah are adversely affected by inorganic contaminants in irrigation water. National Biological Service Research Information Bulletin, Number 29.

No author.1995. Coordination Committee Meeting Summary 28 September 1995 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1995. Coordination Committee Meeting April 20, 1995 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings sites near Rifle, Colorado. U.S. Department of Energy Contract AC04-91AL62350. Report number: DOE/AL/62350--179. 252 pages.

No author.1995. An assessment of potential hydrologic and ecologic impacts of constructing mitigation wetlands, Rifle, Colorado, UMTRA project sites. U.S. Department of Energy Contract AC04-91AL62350. Report number: DOE/AL/62350--185. 29 pages.

No author.1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings sites near Rifle, Colorado. Revision 1. U.S. Department of Energy Contract AC04-91AL62350. Report number: DOE/AL/62350--179-Rev.1. 150 pages.

No author.1996. Coordination Committee 11 April 1996 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1996. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings sites near Rifle, Colorado. Revision 2. U.S. Department of Energy Contract AC04-91AL62350. Report number:DOE/AL/62350--179-Rev.2. 252 pages.

No author.1997. Hydropower research and development. U.S. Department of Energy Contract AC07-94ID13223. Report number: DOE/ID--10575. 171 pages.

No author.1997. Navajo transmission project Final Environmental Impact Statement (FEIS) report number: DOE/EIS--0231-F. 238 pages.

No author.1997. Coordination Committee 25 February 1997 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1997. Coordination and Biology Committees 30 October 1997 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1998. Coordination Committee December 15, 1998 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1998. Final environmental assessment for a refinement of the power delivery component of the Southern Nevada Water Authority Treatment and Transmission Facility. U.S. Bureau of Reclamation Lower Colorado Regional Office, Boulder City, Nevada (Un

No author.1998. Intermodal transportation of low-level radioactive waste to the Nevada Test Site. U.S. Department of Energy Nevada Operations Office, Las Vegas, Nevada (United States). Report number: DOE/LLW--99001331. 250 pages.

No author.1998. Coordination Committee February 25,1998 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1999. Southpoint Power Plant final environmental impact statement. U.S. Department of the Interior Bureau of Indian Affairs, Phoenix, AZ (United States);Dept. of Energy, Western Area Power Administration, Phoenix, AZ (United States);Fort Mojave

No author.1999. San Juan River Basin Recovery Implementation Program Biology Committee November 9-10, 1999 Meeting Summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1999. San Juan River Basin Recovery Implementation Program Biology Committee March 8-9, 1999 meeting summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.1999. San Juan River Basin Recovery Implementation Program Biology Committee February 17, 1999 meeting summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.2000. Final summary of the January 19, 2000, meeting of the San Juan River Basin Recovery Implementation Program Coordination Committee. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexic

No author.2000. Annual budget and work plan, fiscal year 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.2000. Upper Colorado River Endangered Fish Recovery Program and San Juan River Basin Recovery Implementation Program 2000. Washington, D.C. Briefing Book Upper Colorado River Endangered Fish Recovery Program Denver, CO. San Juan River Basin Reco

No author.2000. San Juan River Recovery Implementation Program Biology Committee Meeting Farmington, New Mexico 11-12 April 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.2000. San Juan River Biology Committee Meeting Farmington, New Mexico 15-16 February 2000 Approved - 11 April 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

No author.2000. San Juan River Basin Recovery Implementation Program, Biology Committee Meeting, Farmington, New Mexico, June 13-14, 2000 Final Meeting Summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquer

No author.2000. Final summary of the San Juan River Basin Recovery Implementation Program Coordination Committee Meeting June 14, 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

O'Shea, T. and C. Ramotnik.No Date. Curation of Biological Survey Collection in Albuquerque .

Osmundson, D.B.2000. Importance of the "15-Mile Reach" to Colorado River populations of endangered Colorado pikeminnow and razorback sucker. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado

Osmundson, D.B. and L.R. Kaeding.1989. Studies of Colorado squawfish and razorback sucker use of the "15-Mile Reach" of the upper Colorado River as part of conservation measures for the Green Mountain and Ruedi Reservoir Water Sales. U.S. Fish and Wildlif

Osmundson, D.B. and L.R. Kaeding.1989. Colorado squawfish and razorback sucker grow-out pond studies as part of conservation measures for the Green Mountain and Ruedi Reservoir water sales. Final report. U.S. Fish and Wildlife Service Colorado River Fishe

Osmundson, D.B. and L.R. Kaeding.1991. Recommendations for flows in the "15-Mile Reach" during October-June for maintenance and enhancement of endangered fish populations in the upper Colorado River. Final report. U.S. Fish and Wildlife Service Colorado R

Pacey, C.A. and P.C. Marsh.1998. Resource use by native and nonnative fishes of the lower Colorado River: literature review, summary, and assessment of relative roles of biotic and abiotic factors in management of an imperiled indigenous ichthyofauna. Fin

Pacey, C.A. and P.C. Marsh.2000. Lower Colorado River native fishes pit tag database management summary report for the period October 1, 1997 through May 31, 1999. Final report, Task Agreement No. 5, Cooperative Agreement 1445-0009-94-1108. U.S. Geologica

Pacey, C.A. and P.C. Marsh.2000. A decade of managed and natural population change for razorback sucker in Lake Mohave, Colorado River, Arizona and Nevada. Proceedings of the Restoring Native Fish to the Lower Colorado River: Interactions of Native and No

Papoulias, D.1987. Growth and survival of larval razorback sucker (Xyrauchen texanus) in ponds at 3 fertilization rates. Proceedings of the Desert Fishes Council 17:176-177.

Papoulias, D.1988. Growth and survival of larval razorback sucker. No Source.

Papoulias, D.1988. Survival and growth of larval razorback sucker, Xyrauchen texanus. Master's Thesis, Arizona State University, Phoenix.

Papoulias, D.1989. Food Availability and Mortality for Larval Razorback Sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 18:210-211.

Papoulias, D.1990. Food limited survival of larval razorback sucker, Xyrauchen texanus, in the laboratory. Environmental Biology of Fishes 29(1):73-78.

Papoulias, D.1992. Effects of food availability on survival and growth of larval razorback suckers in ponds. Transactions of the American Fisheries Society 121(3):340-355.

Papoulias, D.No Date. Effect of food availability on growth and mortality of larval razorback sucker, Xyrauchen texanus. Arizona State University for U.S. Fish and Wildlife Service, Office of Endangered Species. 32 pages.

Papoulias, D. and W.L. Minckley.1987. Survival and growth of razorback sucker (Xyrauchen texanus) in ponds. Proceedings of the Desert Fishes Council 19:35.

Paulin, K.M., C.M. Williams and H.M. Tyus.1989. Response of young razorback sucker and Colorado squawfish to water flow and light intensity. U.S. Fish and Wildlife Service, Vernal, Utah. 12 pages.

Paulin, K.M., H.M. Tyus, et al.1990. Response of young Colorado squawfish and razorback suckers to water flow and light intensity. Transactions of the American Fisheries Society.

Paulson, L.J., J.E. Deacon and J.R. Baker.1981. The biology of bonytail chubs and razorback suckers in Lake Mohave. University of Nevada Lake Mead Limnological Research Center and Department of Biological Sciences, Las Vegas. 16 pages.

Pfeifer, F.K., C.W. McAda, B.D. Burdick, R.M. Anderson, T.E. Chart and M.A. Trammell.1995. Colorado River Recovery Program activities related to the Gunnison River and operation of the Aspinall Unit of the Colorado River Storage Project. Proceedings of th

Pister, E.P.1990. Desert fishes: an interdisciplinary approach to endangered species conservation in North America. Journal of Fish Biology 37(Suppl. A):183-187.

Pitts, T. and M.J. Cook.1997. Propagation and stocking activities of the Recovery Implementation Program for the endangered Fishes of the Upper Colorado River Basin: summary, status, assessment. Hall, Pitts and Associated, Loveland, Colorado. 53 pages.

Platania, S.P., K.R. Bestgen, M.A. Moretti, D.L. Propst and J.E. Brooks.1991. Status of Colorado squawfish and razorback sucker in the San Juan River, Colorado, New Mexico, and Utah. Southwestern Naturalist 36(1):147-150.

Platania, S.P., R.K. Dudley and S.L. Maruca2000. Drift of fishes in the San Juan River 1991-1997 Final Report San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico

Propst, D.L.1992. Vertebrate wildlife studies: warmwater fish communities Inventory and monitoring of warmwater stream fish communities in New Mexico. New Mexico Department of Game and Fish. 164 pages.

Propst, D.L.1995. Native fish research and management in New Mexico during 1993 and 1994. Proceedings of the Desert Fishes Council 26:14.

Propst, D.L. and A.L. Hobbes2000. Seasonal abundance, distribution and population size structure of fishes in San Juan River secondary channels, 1991 - 1997. San Juan River Basin Recovery Implementation Program. U.S Fish and Wildlife Service, Albuquerque,

Propst, D.L., S.P. Platania, D.W. Ryden and R.L. Bliesner.2000. San Juan River Monitoring Plan and Protocols 31 March 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

Pucherelli, M.J. and W.P. Goettlicher.1992. Mapping instream habitat on the San Juan River using airborne videography. U.S. Bureau of Reclamation. 47 pages.

Quartarone, F.G.1993. Results of a historical research project about the endangered fish of the upper Colorado River basin. Proceedings of the Desert Fishes Council 24:37-38.

Radant, R.D.1982. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Performance report SE-2(CO-OP), July 1, 1981 - July 1, 1982. Utah Division of Wildlife Resources, Salt Lake City. 3 pages.

Radant, R.D.1982. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Performance report SE-2(CO-OP), July 1, 1981 - September 30, 1982. Utah Division of Wildlife Resources, Salt Lake City.

Radant, R.D.1983. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Progress report SE-2(CO-OP), October 1, 1981 - December 31, 1983. Utah Division of Wildlife Resources, Salt Lake City. 4 pages.

Radant, R.D.1984. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Progress report SE-2(CO-OP), October 1, 1982 - September 30, 1984. Utah Division of Wildlife Resource, Salt Lake City. 4 pages.

Radant, R.D.1985. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Progress report SE-2(CO-OP), October 1, 1984 - December 31, 1985. Utah Division of Wildlife Resources, Salt Lake City. 8 pages.

Radant, R.D.1986. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Progress report SE-2(CO-OP), January 1 - June 31, 1986. Utah Division of Wildlife Resources, Salt Lake City. 3 pages.

Rakocinski, C.F., M.S. Peterson, S.J. Vanderkooy and G.J. Crego.1997. Biodiversity patterns of littoral tidal river fishes in the Gulf coastal plain region of Mississippi Gulf of Mexico. Science (1):2-16.

Reimus, C.R.1995. Morphological changes related to growth in razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 26:28.

Repanshek, K.1994. Fishing for the endangered. Wyoming Wildlife 58(11):34-37.

Richardson, S.1994. Conceptual management plan for razorback sucker habitat enhancement in flooded bottomlands, Escalante Ranch, Jensen, Utah. Recovery Implementation Program for Endangered Fishes of the Upper Colorado River Basin. 97 pages.

Rinne, J.N.1993. A wildlife viewpoint, Southwestern riparian-stream areas: habitats for fishes. Pages 46-51 in Riparian Management: Common Threads and Shared interests, A Western Regional Conference on River Management Strategies. U.S. Forest Service, Gen

Rinne, J.N. and J.A. Stefferud.1997. Factors contributing to collapse yet maintenance of a native fish community in the desert southwest (U.S.A). Proceedings of the World Fisheries Congress (2):157-162.

Robb, A.J.1989. Comparison of successive fossil fish faunas in the Black Creek and Peedee formations (Upper Cretaceous) of North Carolina. Geological Society of America Abstracts with Programs 21(2):62.

Robinson, A.T., P.P. Hines, J.A. Sorensen and S.D. Bryan.1998. Parasites and fish health in a desert stream, and management implications for two endangered fishes. North American Journal of Fisheries Management 18(3):599-608.

Ruppert, J.B.1995. Effects of electrofishing fields on embryos and larvae of razorback sucker. Proceedings of the Desert Fishes Council 26:38-39.

Ruppert, J.B. and R.T. Muth.1995. Effects of electrofishing fields on embryos and larvae of razorback sucker. Final report. Colorado State University Larval Fish Laboratory. 16 pages.

Ruppert, J.B., R.T. Muth and T.P. Nessler.1993. Predation on fish larvae by adult red shiner, Yampa and Green Rivers, Colorado. Southwestern Naturalist 38(4):397-399.

Ryden, D.W.1997. Five-year augmentation plan for razorback sucker in the San Juan River. Final report to San Juan River Recovery Implementation Program. U.S. Fish and Wildlife Service, Grand Junction, Colorado.

Ryden, D.W.2000. Monitoring of razorback sucker stocked into the San Juan River as part of a five-year augmentation effort: 1997-1999 Interim progress report (draft final). San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Servi

Ryden, D.W.2000. Long-term monitoring of sub-adult and adult large bodied fishes in the San Juan River, 1998 and 1999. Interim progress report (draft final). San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque

Ryden, D.W.2000. Adult fish community monitoring on the San Juan River, 1991-1997. Final Report January 31, 2000 San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico

Ryden, D.W.2000. Monitoring of experimentally stocked razorback sucker in the San Juan River March 1994 through October 1997. Final report. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico

Ryden, D.W. and F.K. Pfeifer.1994. An experimental stocking plan for razorback suckers in the San Juan River. Final report to San Juan River Recovery Implementation Program. U.S. Fish and Wildlife Service, Grand Junction, Colorado.

Sappington, L.C.1995. Use of surrogate species in assessing contaminant risk to endangered and threatened fishes. 90 pages.

Schmitt, C.J.No Date. Environmental contaminants. U.S. Geological Survey Status and Trends of the Nation's Biological Resources, .

Scholz, A.T., et al.1992. Measurement of egg and larval thyroxin concentration as an indicator of the critical period for imprinting in razorback suckers [Xyrauchen texanus (Abbot)]: implications for endangered stocks in the Colorado River basin. Eastern

Scholz, A.T., M.B. Tilson, R.J. White, S.A. Horton, B. Haines, B. Jensen and R. Hamman.1994. Thyroxine induced chemical imprinting in Colorado squawfish (Ptychocheilus lucius) and razorback sucker (Xyrauchen texanus): results of 1993 investigations. Techn

Scholz, A.T., R.J. White, S.A. Horton, M.B. Tilson, C.I. Williams and B. Haines.1993. Thyroxine concentrations and chemical imprinting of razorback suckers (Xyrauchen texanus) and Colorado squawfish (Ptychocheilus lucius) eggs and larva raised at Dexter N

Schrader, P.A.1991. Endangered and threatened wildlife and plants: the razorback sucker (Xyrauchen texanus) determined to be an endangered species. Federal Register 56:54957-54967.

Schrader, P.A.1992. Razorback sucker, Xyrauchen texanus. Official World Wildlife Fund Guide to Endangered Species of North America 3:1436-1438.

Sealing, C., G.B. Kidd, B. Burdick, R. Sutton, K. McMaster and M. Japhet.1975. Regional fishery inventory: northwest region lake and stream studies. Colorado Division of Wildlife Project Number F-030-R-11/ Job 04/Final. 31 pages.

Severson, S.H., C.A. Karp, H.M. Tyus and G.B. Haines.1990. Rearing of razorback suckers at Ouray, Utah. Transactions of the American Fisheries Society of the Bonneville Chapter 1990.

Severson, S.H., H.M. Tyus and G.B. Haines.1991. An evaluation of feeds for raising razorback sucker, Xyrauchen texanus. Journal of Applied Aquaculture 1(3):55-65.

Simpson, Z.R. and J.D. Lusk1999. Environmental contaminants in aquatic plants, invertebrates, and fishes of the San Juan River mainstem, 1990-1996 U.S. Fish and Wildlife Service, New Mexico Ecological Services Field Office, Environmental Contaminants Prog

Sjoberg, J.C.1990. A letter to Dr. Paul C. Marsh regarding razorback sucker and bonytail chub capture on Lake Mohave. Nevada Department of Wildlife, Las Vegas. 2 pages.

Sjoberg, J.C.1994. Status summary of the razorback sucker (Xyrauchen texanus) in Lake Mead, Nevada-Arizona. Nevada Division of Wildlife, Reno.

Sjoberg, J.C.1995. Historic distribution and current status of the razorback sucker in Lake Mead, Nevada-Arizona. Proceedings of the Desert Fishes Council 26:24-27.

SJRP Biology Committee.1999. San Juan River Basin Recovery Implementation Program Annual Budget and Work Plan Fiscal Year 1999. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.

Smith, D.M.1993. Predator avoidance behavior in larval fishes. Proceedings of the Desert Fishes Council 24:60-61.

Smith, G.R.1992. Introgression in fishes: significance for paleontology, cladistics, and evolutionary rates. Systematic Biology 41:41-57.

Snyder, D.E. and R.T. Muth.1990. Descriptions and identification of razorback, flannelmouth, white, Utah, bluehead, and mountain sucker larvae and early juveniles. Tech. Publ. No. 38. Colorado Division of Wildlife, Fort Collins. 152 pages.

Snyder, D.E. and S.M. Meismer.1995. Efficiency of light traps for capture and retention of larval and young-of-the-year juvenile razorback sucker. Proceedings of the Desert Fishes Council 26:37.

Spear, M.1987. A letter to Duane L. Shroufe regarding the proposed stocking of National Wildlife Refuge ponds with bonytail chub, razorback sucker, and Colorado squawfish. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 4 pages.

Stalnaker, C.No Date. Studies of ecological requirements and role of stocking augmentation for endangered razorback sucker and bonytail in the lower Colorado River basin. .

Stalnaker, C.B. and P.B. Holden.1973. Changes in native fish distribution in the Green River system, Utah-Colorado. Proceedings of the Utah Academy of Science, Arts and Letters 50(1):25-32.

Stanford, J.A.1994. Instream flows to assist the recovery of endangered fishes of the upper Colorado River basin. National Biological Survey, Polson, Montana (24)1-47.

Starnes, W.C.1995. Colorado River basin fishes. Pages 149-152 in E.T. LaRoe, G.S. Farris, C.E. Puckett, D. Doran and M.J. Mac, eds. Our Living Resources: A Report to the Nation on the Distribution, Abundance, and Health of U.S. Plants, Animals, and Ecosys

Stephens, R.F.1980. Memorandum: Regarding the biological assessment of the impacts of the proposed Hoover powerplant modification to the bonytail chub and razorback sucker. U.S. Fish and Wildlife Service, Phoenix, Arizona. 14 pages.

Stohlgren, T.J.No Date. Interior west. National Biological Service Natural Resource Laboratory .

Swift, C.C., T.R. Haglund, M. Ruiz and R.N. Fisher.1993. The status and distribution of the freshwater fishes of southern California. Bulletin of the Southern California Academy of Sciences 92:101-167.

Tiersch, T.R.1995. Cryopreservation of fish sperm: laboratory, hatchery and field studies of twenty species. Proceedings of the International Symposium on the Reproductive Physiology of Fish (5):147.

Tiersch, T.R., C.R. Figiel, Jr., W.R. Wayman, J.H. Williamson, G.J. Carmichael and O.T. Gorman.1998. Cryopreservation of sperm of the endangered razorback sucker. Transactions of the American Fisheries Society 127(1):95-104.

Tiersch, T.R., W.R. Wayman, C.R. Figiel, Jr., O.T. Gorman, J.H. Williamson and G.J. Carmichael.1997. Field collection, handling, and storage of sperm of the endangered razorback sucker. North American Journal of Fisheries Management 17(1):167-173.

Torres, J. and D. Langlois.1978. Razorback (humpback) sucker, Xyrauchen texanus (Abbott). Pages 24-25 in Essential Habitat for Threatened or Endangered Wildlife in Colorado: Part I. Colorado Division of Wildlife, Fort Collins.

Torres, J., S. Bissell, G. Craig, W. Graul and D. Langlois.1978. Wildlife in danger: the status of Colorado's threatened or endangered birds, fish and mammals. Colorado Division of Wildlife, Denver.

Tyus, H.M.1981. Radiotracking rare fishes, Green River, Utah. Underwater Telemetry Newsletter 11(1):11.

Tyus, H.M.1987. Status of the razorback sucker in the Green River, Utah. Proceedings of the Desert Fishes Council 18:184.

Tyus, H.M.1987. Distribution, reproduction, and habitat use of the razorback sucker in the Green River, Utah, 1979-1986. Transactions of the American Fisheries Society 116(1):111-116.

Tyus, H.M.1988. Long-term retention of surgically-implanted transmitters in Colorado squawfish and razorback sucker. North American Journal of Fisheries Management 8:268-271.

Tyus, H.M.1990. Effects of altered stream flows on fishery resources. Fisheries 15(3):18-20.

Tyus, H.M.1990. Management of native warmwater fishes of the upper Colorado River. 13 pages.

Tyus, H.M.1991. Management of native warmwater fishes of the upper Colorado River. Pages 175-182 in Warmwater Fishes Symposium I. U.S.DA Forest Service Technical Report RM-207.

Tyus, H.M.1991. Management of Colorado River fishes. U.S. Forest Service General Technical Report 207:175-182.

Tyus, H.M.1992. An instream flow philosophy for recovering endangered Colorado River fishes. Rivers 3(1):27-36.

Tyus, H.M.1992. Chemoreception, imprinting, and propagation of Colorado squawfish and razorback sucker: a plan of study. Proceedings of the Desert Fishes Council 22:9-21.

Tyus, H.M.1992. Razorback sucker listed as endangered: a further decline in the Colorado River system. Endangered Species Update 9(5):1-3.

Tyus, H.M.1997. Razorback sucker (Xyrauchen texanus) recovery plan. U.S. Fish and Wildlife Reference Service, Bethesda, Maryland. 76 pages.

Tyus, H.M. and C.A. Karp.1989. Habitat use and stream flow needs of rare and endangered fishes, Yampa River, Colorado. U.S. Fish and Wildlife Service Biological Report 89(14):1-27.

Tyus, H.M. and C.A. Karp.1990. Spawning and movements of razorback sucker Xyrauchen texanus (Abbott) in the Green River basin of Colorado and Utah. Southwestern Naturalist 35(4):427-433.

Tyus, H.M. and J.F. Saunders, III.1998. An evaluation of recovery needs for endangered fishes in the upper Colorado River, with recommendations for future recovery actions. Final report to the Colorado River Water Conservation District (Contract 1196-12-1

Tyus, H.M. and N.J. Nikirk.1990. Abundance, growth, and diet of channel catfish (Ictalurus punctatus) in the Green and Yampa Rivers, Colorado and Utah. Southwestern Naturalist 35:233-244.

Tyus, H.M. and S.H. Severson.1990. Growth and survival of larval razorback suckers Xyrauchen texanus in response to five artificial diets. Progressive Fish Culturist 52(3):197-200.

Tyus, H.M. and W.B. Harned.1985. Spawning and habitat use of the razorback sucker in the Green River basin, Colorado and Utah, 1979-1984. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:193-202.

Tyus, H.M., C.W. Brown and J.F. Saunders, III.2000. Activity of young Colorado pikeminnow and razorback sucker in response to water movements. Environmental Biology of Fishes 15(4):525-535.

Tyus, H.M., C.W. McAda and B.D. Burdick.1981. Radiotelemetry of Colorado squawfish and razorback sucker, Green River system of Utah, 1980. Transactions of the American Fisheries Society of the Bonneville Chapter 1981:19-24.

Tyus, H.M., J.H. Williamson and P.B. Johnsen.1990. Chemoreception, imprinting, and propagation of Colorado squawfish and razorback sucker. Final report to the Upper Colorado River Basin Recovery Implementation Program. U.S. Fish and Wildlife Service, Regi

Tyus, H.M., W.C. Starnes, C.A. Karp and J.F. Saunders, III.1999. Effects of invasive tissue collection on rainbow trout, razorback sucker, and bonytail chub. North American Journal of Fisheries Management (Bethesda) 19(3):848-855.

U.S. Fish and Wildlife Service.1978. Proposed endangered status for the bonytail chub and threatened status for the razorback sucker. Federal Register 43:17375-17377.

U.S. Fish and Wildlife Service.1985. A comparison of captures of Colorado squawfish and razorback suckers from adjacent Colorado River reaches upstream and downstream from the confluence with the Gunnison River. Draft. U.S. Fish and Wildlife Service, Gran

U.S. Fish and Wildlife Service.1998. Razorback sucker Xyrauchen texanus recovery plan. U.S. Fish and Wildlife Service, Region 6, Denver, Colorado. 77 pages.

U.S. Geological Survey CERC.No Date. Endangered Fish Research in the Upper Colorado River Basin.

U.S. Geological Survey CERC.No Date. Investigating Contaminants...from Molecules to Landscapes. .

U.S. Geological Survey MESC.No Date. Biological survey collection, Museum of Southwestern Biology. .

U.S. Geological Survey NPWRC.No Date. Status of listed species and recovery plan development: Colorado River fishes, Arizona.

U.S. Geological Survey NPWRC.No Date. Status of listed species and recovery plan development: Colorado River fishes, Colorado.

U.S. Geological Survey NPWRC.No Date. Status of listed species and recovery plan development: Colorado River fishes, Utah.

U.S. Geological Survey NPWRC.No Date. Status of listed species and recovery plan development: fishes. .

U.S. Geological Survey.2000. Department of the Interior Science Priorities. .

U.S. Geological Survey.No Date. U.S. Geological Survey Biological Resources Division Central Region FY 1998, National Resources Preservation Program Projects.

U.S. Geological Survey.No Date. U.S. Geological Survey Biological Resources Division Activities in South Dakota. .

U.S. Geological Survey.No Date. U.S. Geological Survey Biological Resources Division Activities in Utah. .

U.S. Geological Survey.No Date. U.S. Geological Survey Biological Resources Division Central Region FY 1999, National Resources Preservation Program Projects. .

U.S. Geological Survey.No Date. America's Natural Heritage. .

U.S. Geological Survey.No Date. U.S. Geological Survey Biological Resources Division Activities in Nevada. .

U.S. Geological Survey.No Date. Midcontinent Ecological Science Center, Fort Collins, Colorado. .

U.S. Geological Survey.No Date. U.S. Geological Survey Budget and Organization Analysis FY 2001 Program Summaries America's Natural Heritage FY 2001. .

Ulmer, L. and K.R. Anderson.1985. Management plan for the razorback sucker (Xyrauchen texanus) in California. California Department of Fish and Game, Region 5 Information Bulletin 0013-10-1985.

Ulmer, L.C.1987. Management plan for the razorback sucker (Xyrauchen texanus) in California. Proceedings of the Desert Fishes Council 17:183.

Underwood, K.D.and J.P. Shields.1995. Lake Roosevelt fisheries and limnological research. Annual report. Bonneville Power Administration, Public Information Center-CKPS-1, Portland, OR. Report number: DOE/BP/91819--15. 349 pages.

Valdez, R.A.1995. Synthesis of winter investigation of endangered fish in the Green River below Flaming Gorge Dam. BIO/WEST, Inc., Logan, Utah, Study #18-11.

Valdez, R.A. and B.R. Cowdell.1996. Effect of Glen Canyon Dam beach/habitat-building flows on fish assemblages in Glen and Grand Canyons, Arizona. BIO/WEST, Inc., Logan, Utah.

Valdez, R.A. and E.J. Wick.1983. Natural vs. manmade backwaters as native fish habitat. Pages 519-536 in V.D. Adams and V.A. Lamarra, eds. Aquatic Resources Management of the Colorado River Ecosystem. Ann Arbor Science, The Butterworth Group, Ann Arbor, M

Valdez, R.A. and R.D. Williams.1987. Endangered fishes of Cataract Canyon. Proceedings of the Desert Fishes Council 16-18:212-219.

Valdez, R.A. and R.D. Williams.1993. Ichthyofauna of the Colorado and Green Rivers in Canyonlands National Park, Utah. National Park Service Trans. Proc. Ser. 10:2-22.

Valdez, R.A. and R.G. Williams.1991. Endangered fishes of Cataract Canyon. Proceedings of the Desert Fishes Council 20:25.

Valdez, R.A. and W.J. Masslich.1989. Winter habitat study of endangered fish, Green River: wintertime movement and habitat of adult Colorado squawfish and razorback suckers. BIO/WEST, Inc., Logan, Utah.

Valdez, R.A. and W.J. Masslich.1991. Wintertime movement and habitat of adult Colorado squawfish and razorback suckers in the Green River. Proceedings of the Desert Fishes Council 20:27-46.

Valdez, R.A. and W.J. Masslich.1991. Winter habitat of adult Colorado squawfish and razorback sucker in the Green River, Utah. Proceedings of the Desert Fishes Council 20:87.

Valdez, R.A., P.B. Holden and T.B. Hardy.1987. Assimilation of habitat utilization data for endangered fishes of the upper Colorado River basin (a case history). Proceedings of the Desert Fishes Council 19:95-112.

Vanicek, C.D., R.H. Kramer and D.R. Franklin.1970. Distribution of Green River fishes in Utah and Colorado following closure of Flaming Gorge Dam. Southwestern Naturalist 14(3):297-315.

Vaselaar, R.T.1997. Opening the flood gates: the 1996 Glen Canyon Dam experiment. Restoration and Management Notes 15(2):119-125.

Vives, S.P.1991. Alarm reactions of some southwestern fishes. Proceedings of the Desert Fishes Council 21:227.

Vrijenhoek, R.C.1996. Conservation genetics of North America desert fishes Pages 367-397 in J.C. Avise and J.L. Hamrick, eds. Conservation Genetics: Case Histories from Nature. Chapman & Hall, New York, Albany etc.

Waddell, B. and T. May.1995. Selenium concentrations in the razorback sucker (Xyrauchen texanus): substitution of non-lethal muscle plugs for muscle tissue in contaminant assessment. Archives of Environmental Contamination and Toxicology 28(3):321-326.

Watts, G., W. Noonan, H. Maddux and D.S. Brookshire.1997. The Endangered Species Act and critical habitat designation: an integrated biological and economic approach. Colorado State University Larval Fish Laboratory and Colorado Division of Wildlife Repor

Westwater Engineering.1996. Technical memorandum: endangered fish of the upper Colorado River, observations from 1970 through 1995: George T. Kidd. Appendix C. Technical memorandum in Camp Dresser and McKee, Inc.: Replacement of the Plateau River pipelin

Wick, E.J.1992. River management and habitat restoration strategy. Proceedings of the Desert Fishes Council 22-23:71-75.

Wick, E.J.No Date. Physical processes and habitat critical to the endangered razorback sucker on the Green River, Utah. Dissertation Abstracts International 58-12B:6458.

Wick, E.J. and J.A. Hawkins.1989. Colorado squawfish winter habitat study, Yampa River, Colorado. Final report. Colorado State University Larval Fish Laboratory Department Fishery and Wildlife Biology, Fort Collins.

Wick, E.J., C.W. McAda and R.V. Bulkley.1982. Life history and prospects for recovery of the razorback sucker. Pages 120-126 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. American Fisheries

Wilde, G.R., M.A. Bozek and L.J. Paulson.1985. Factors contributing to the success of the razorback sucker in Lake Mohave, Arizona-Nevada. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:186-192.

Williams, J.D. and G.K. Meffe.No Date. Nonindigenous species. U.S. Geological Survey Status and Trends of the Nation's Biological Resoucres, .

Wydoski, R.S.1980. Potential impacts of alterations in streamflow and water quality on fish and macroinvertebrates in the upper Colorado River basin. Chapter 8 in W.O.J. Spofford, A.L. Parker and A.V. Kneese, eds. Energy Development and the Water, Fish, a

Wydoski, R.S.1996. Augmentation plan for razorback sucker in the Middle Green River, 1996-1997. U.S. Fish and Wildlife Service. 12 pages.

Wydoski, R.S., K. Gilbert, K. Seethaler, C.W. McAda and J.A. Wydoski.1980. Annotated bibliography for aquatic resource management of the upper Colorado River ecosystem. U.S. Fish and Wildlife Service Research Publication 135:1-186.

Young, C.1994. New plan outlines steps to recover endangered fishes of the Colorado River system. Endangered Species Technical Bulletin 19(1):18-19.

Young, K.L.1994. Conservation management of the threatened Little Colorado spinedace (Lepidomeda vittata) and other Arizona Game and Fish Department activities Proceedings of the Desert Fishes Council 25:13-14.