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l~Ril 7 $a ~~ United States Department of the Interior FISH AND WILDLIFE SERVICE f,~'?'~ :~ COLORADO RIVER FISH PROJECT ~ ~~, 1680 West Highway 40. Room 1210 ~ Vernal. Utah 84078 v c0 --f January 3, 1991 MEMORANDUM T0: Max Schroeder, FWE, SE, FWS, Region 6, Denver, CO 80225 FROi•t: Harold Tyus, FFA, CRFP, FWS, Vernal, Utah 84078 Mailstop 65331 SUBJECT: Application for renewal of federal Fish and Wildlife Service Blanket Permit PRT-704930, subpermit 84-7 This constitutes our application for renewal of the subject permit and provides a report of activities conducted in 1990. We are attaching tagging lists of the larger juveniles and adults of each endangered species handled in 1990. A summary of our collection activities by species follows: COLORADO SQUAWFISH The Vernal office recorded 7 captureedof Nonerweoresrecafturesn Three ripe P electrofishing. Four fish were tagg males and one ripe female were caught, the other 3 were not in breeding condition, so could not be sexed. A sperm sample was taken from one ripe male. During a drift-netting study in conjunction with Coturedowithtan unknownty~ approximately 80 larval Colorado squawfish were cap number of non-target fish. All samples were sent to CSU for analysis. At Ouray as of November 1990, we have 82 Colorado squawfish from the Dexter Hatchery. RAZORBACK SUCKER The Vernal office recorded 39 captures of adult razorback taggeds dAllnbut two spring electrofishing. 17 were recaptures, 22 were newly were caught in breeding condition, 29 were ripe males, 8 were ripe females. All were released alive. A total of 13 fish were stripped in the field. Fertiltzed eggs 120ewereubated at the Ouray hatchery, and resulted in approximately 8600 fry. saved for broodstock, the remainder (8480) stocked to rearing ponds for the summer, which had 46% survival rate. In September, 4700 fish from 1989 were stocked to three locations in the Green River near Ouray and 120 were used in