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<br />28 <br /> <br />caught, respectively (Table 3). The fish were anal fin clipped during <br /> <br />the first four samples and one recapture was found in each of the last <br /> <br />three samples. Marked fish were not recovered in other areas near the <br /> <br />test site although an extensive seining effort was made to locate them. <br /> <br /> <br />Fry traps were not used because the young-of-the-year squawfish were <br /> <br />large enough to be more efficiently sampled with seines. <br /> <br />Table 3. Numbers of younq-of-the-year Colorado <br />squawfish captured, marked, and recaptured <br />from a backwater on the Green River. <br /> <br />2 <br /> <br />Sample <br />3 <br /> <br />4 <br /> <br />5 <br /> <br />Number captured <br /> <br />4 <br /> <br />31 <br /> <br />29 <br />28 <br /> <br />11 <br /> <br />12 <br /> <br />Number marked <br /> <br />4 <br /> <br />31 <br /> <br />10 <br /> <br />o <br /> <br />Number recaptured <br /> <br />o <br /> <br />One bony tail chub adult and one juvenile were tagged but not <br /> <br />recaptured during the study. Fourteen adult and 9 juvenile chubs from <br /> <br />Desolation and Gray canyons were also tagged but none were recaptued. <br /> <br />Fishes Associated with the Rare Species <br /> <br />Table 4 summarizes the fishes, by size class, found in seine samples <br /> <br />containinq rare species. These data give a preliminary view of potential <br /> <br />competition between species. Young introduced species were found more <br />