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Bear Lake, Utah-Idaho, weighed 5.6 kg (181bs) and were piscivorous (McCon- nell et al. 1957). t~ population of redbanded trout in southeast Oregon populated a stream'system and a reservoir. The fish in the reservior utilized as forage tui chub and grew to a larger size than the fish in the stream (Clair Kunkel, personal communication).gBnnneville cutthroat trout may provide an effective biological control for certain undesirable and competitive fish species such as Utah chub, red-side shiner, suckers, etc., that are presently causing many problems to lake and reservior management. In summary, a management program specifically designed to re-establish Bonneville cutthroat trout in Utah waters could insure the continued existence of these unique fish in the biological heritage of Utah. Of equal importance, this subspecies could be beneficial to fishery management in Utah. Its survival in marginal habitats and its potential for biological control of nongame Fish species could prove very advantageous to future sport fishery management. Continued study will be needed to establish the role Bonneville cutthroat trout will have in the biota of Utah and the Bonneville Basin. LITERATURE CITED Behnke, R.J. 1970. Rare and endangered species report: The Bonneville cut- throat trout, Salmo clarki utah. Colo. Coop. Fish. Res. Unit, Colorado State Univ., Ft. Collins, Colo. 16pp. _. 1973a. Utah or Bonneville cutthroat trout, Salmo clarki Utah. U.S. Fish and Wildlife Serv., Reg. II, Albuquerque, N.M. Opp. . 1973b. Snake Valley or Mt. Wheeler cutthroat trout, Salmo clarki subsp. U.S. Fish and Wildlife Serv. Reg. II, Albuquerque, N.M. Epp. _. 1974. The Effects of the Newlands Project on the Pyramid Lake Fishery. Unpub. M.S. Dept. Fish and Wildlife, Colorado State Univ. 17pp. . 1975a. The native cutthroat trouts of Wyoming I: Evaluation of collections from the Green River and Bear River drainages. Prepared for Wyoming Game and Fish Dept., Cheyenne. Part I:12pp. _. 1975b. The native cutthroat trout of Wyoming II: Further evaluations of collections from the Green River and Bear River drainages. Prepared for Wyoming Game and Fish Dept., Cheyenne. 8pp. . 1976a. Summary of information on the status of the Utah or Bonneville Basin cutthroat trout, Salrrco clarki utah. Prepared for U.S. Forest Service, Wasatch National Forest, Salt Lake City, Utah. 14pp. 1976b. A summary of information on a unique form of cutthroat trout native to the Snake Valley section of the Bonneville Basin, Utah and Neva- da. Prepared for U.S. Dept. Int., Bur. Land Manage., Salt Lake City, Utah. 18pp. _. 1976c. Biology and management of threatened and endangered western trouts. U.S. Forest Service, Gen. Tech. Rep. RM-28. 45pp. eMr. Clair Kunkel, Oregon State Department of Fish and Wildlife. 21