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18 ' <br />Tequila Cove (below Cottonwood Landing), and in Great West Cove, near <br />Eldorado Canyon. These areas were all locations where razorback sucker <br />spawning activity was observed during sampling. Razorback sucker catch <br />rates were low in other areas of the reservoir netted, but still <br />comprised a large percentage of the total catch. Carp were usually the <br />second-most abundant fish species in the catch during winter, followed <br />by channel catfish, largemouth bass, and rainbow trout (Appendix 3). A <br />few cutthroat trout (Salmo clarki), and striped bass (Morone saxatilis) <br />were also captured in trammel netting. Only eight bonytail chubs were <br />caught during the study. These were all captured in the Six Mile Coves <br />area during March and April, 1982. <br />The catch rates for razorback suckers in Arizona Bay were fairly <br />constant during winter of 1982 and exceeded that of any other species <br />present (Fig. 3). The area was not netted in April, but observations <br />indicated that while spawning was still fairly intense, it had begun to <br />decline, and carp were becoming more abundant. The catch rates for <br />razorback suckers declined in May, and carp became the dominant species <br />in the Arizona Bay area. The catch rates for other species also <br />increased'at this time. <br />The February 1982 catch rate for razorback suckers in the Six Mile <br />Coves area appears high in comparison to other months of the spawning <br />season during that year (Fig. 4). Catch rates were inversely <br />proportional to net hours which largely accounts for the differences <br />among these months (Appendix 2). Nets generally were set at dusk when <br />razorback activity was high, yielding high catch rates when calculated <br />on a 24 hour basis and compared to other sites. Overall, spawning <br />densities were similar in both the Six Mile Coves area and the Arizona