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areas were those where females with strippable eggs and ripe males had <br />been collected. <br />RESULTS AND DISCUSSION <br />DISTRIBUTION RELATIVE ABUNDANCE AND MOVEMENT OF ADULT AND JUVENILE COLORADO <br />SQUAWFISH <br />DISTRIBUTION AND ABUNDANCE <br />A total of 419 Colorado squawfish, including 329 adults over 400 mm TL <br />(799), and 90 juveniles 61-400 mm TL (21%), were captured in the Green and <br />Duchesne rivers during the Spring Survey Program, 1980-1985. Adults were most <br />abundant in Strata B, E, F, and G, whereas 3uvenile Colorado squawfish were <br />most abundant in Strata A and B (total catch rates rounded) (Table 2). Spring <br />electrofishing collections from tributary streams were not included in catch- <br />effort calculations in Table 2. <br />Table 2. Total catch of Colorado squawfish per hour, spring electrofishing, <br />1980-1985. (C/hr=catch of fish per hour) <br />years fish adults juveniles <br />Strata hours <br />sampled captured n C/hr n C/hr <br /> Green River <br />G 58.31 4 40 3 0.67 1 0.02 <br />F 245.27 5 155 136 0.55 19 0.08 <br />E 95.82 6 69 63 0.66 6 0.06 <br />D 18.95 2 8 7 0.37 1 0.05 <br />C 6.25 1 3 3 0.48 0 -- <br />B 83.40 3 66 49 0.59 37 0.44 <br />A 40.11 3 37 11 0.27 26 0.65 <br /> 23 <br />