Oncorhynchus clarkii pleuriticus — Overview

Colorado River Cutthroat Trout learn more about names for this taxon


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Global Range: Historically distributed throughout the colder headwaters of the Green and Colorado rivers as far south as the San Juan River; perhaps occupied portions of the lower reaches of large rivers in winter (Young 1995). Currently limited to a few small headwater streams of the Green and upper Colorado rivers in Colorado, Utah, and Wyoming, including the Escalante River drainage in southern Utah (Hepworth et al. 2001). Formerly may have occurred in northeastern Arizona in the Chuska Mountains (speculation by Behnke 1992). As a result of stocking, occurs also in several high elevation lakes in the Rocky Mountains; most of these populations are not self-sustaining due to lack of adequate spawning streams (Spahr et al. 1991).


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