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Tyus, H. M. 1986. Life strategies in the evolution of the Colorado
<br />squawfish (Ptvchocheilus lucius). Great Basin Naturalist 46:656-661.
<br />Tyus, H. M. 1987. Distribution, reproduction, and habitat use of the
<br />razorback sucker in the Green River, Utah, 1979-1986. Transactions of the
<br />American Fisheries Society 116:111-116.
<br />Tyus, H. M. 1990. Potamodromy and reproduction of Colorado squawfish in the
<br />Green River Basin, Colorado and Utah. Transactions of the American
<br />Fisheries Society 119:1035-1047.
<br />Tyus, H. M. 1991. Movements and habitat use of young Colorado squawfish in the
<br />Green River, Utah. Journal of Freshwater Ecology 6:43-51.
<br />Tyus, H. M. In press. Ecology and management of Colorado squawfish,
<br />Ptvchocheilus lucius. in Hinckley, W.L., and J.E. Deacon. (eds.). Battle
<br />against extinction: native fish management in the American West. University
<br />of Arizona Press, Tucson.
<br />Tyus, H. M., and J. Beard. 1990. Esox lucius (Esocidae), and Stizostedion
<br />vitreum (percidae) in the Green River basin, Colorado and Utah. Great Basin
<br />Naturalist 50:33-39.
<br />Tyus, H. M., and G. B. Haines. 1991. Distribution, habitat use, and growth of
<br />age-0 Colorado squawfish in the Green River basin, Colorado and Utah.
<br />Transactions of the America Fisheries Society 120:79-89.
<br />Tyus, H. M., and C. A. Karp. 1989. Habitat use and streamflow needs of rare
<br />and endangered fishes, Yampa River, Colorado. U.S. Fish and Wildlife
<br />Service, Biological Report 89(14). 27pp.
<br />Tyus, H. M., and C. A. Karp. 1990. Spawning and movements of razorback
<br />sucker, Xyrauchen texanus, in the Green River basin of Colorado and Utah.
<br />Southwestern Naturalist 35:427-433.
<br />Tyus, H. M., and C. W. McAda. 1984. Migration, movements, and habitat
<br />preferences of Colorado squawfish, Ptvchocheilus lucius, in the Green,
<br />White and Yampa rivers, Colorado and Utah. Southwestern Naturalist
<br />29:289-299.
<br />Tyus, H. M., and W. L. Hinckley. 1988. Migrating Mormon crickets, Anabrus
<br />simolex (Orthoptera: Tettigoniidae), as food for stream fishes. Great
<br />Basin Naturalist 48:25-30.
<br />Tyus, H. M., and N. Nikirk. 1990. Growth, diet, and status of channel
<br />catfish, Ictalurus gunctatus, in the Green and Yampa rivers, Colorado and
<br />Utah. Southwestern Naturalist 35:188-198.
<br />Tyus, H. M., B. D. Burdick, R. A. Valdez, C. M. Haynes, T. A. Lytle, and C. R.
<br />Berry. 1982a. Fishes of the Upper Colorado River Basin: Distribution,
<br />abundance and status. Pages 12-70 in W.H. Miller, H.M. Tyus, and C.A.
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