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size of YOY fish was positively correlated to temperature. Haines and Tyus (1 <br />most fish were caught in backwaters of average temperature and that water temp <br />impact distribution of Colorado squawfish or suckers. They indicated that Col <br />seldom used backwaters less than 10°C and were most common in backwaters of 14 <br />further stated that, in autumn, use was not influenced by temperature. Later <br />stated that Colorado squawfish used warmer backwaters in autumn (Tyus and Hain <br />Temperature appeared to play a role in habitat selection by Colorado squawfis <br />only in spring and summer. In summer samples Colorado squawfish backwaters we <br />significantly warmer than others, but the differences was only 1.0°C, and the <br />temperature overlapped. Similar result were seen in spring backwater samples, <br />was at p<0.10. In tests to see if temperature gradient between main channel a <br />habitats had an influence on selection; only spring samples showed a different <br />used in the spring were actually closer (+2°C) to main channel temperature tha <br />backwaters (+3.1°C). Crowl, et al. (1994) indicated that temperature may be a <br />in Colorado squawfish growth and survival. They reported that growth is a fun <br />temperature and food availability and that growth is best in high temperature <br />lowest in moderate fluctuation. They further stated that Colorado squawfish g <br />at backwater mouths, but that the-fish were most often caught in the low-growt <br />of backwaters. <br />Analysis of the effect of percent cover on selection showed that Colorad <br />backwaters with little cover. This may be a function of the very large size of <br />used. These backwaters, because of their size, must accumulate great quantiti <br />