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Flannelmouth sucker (Catostomus latipinnis), bluehead sucker (Catostomus discobolus), and roundtail chub (Gila robusta), hereafter target species, are native to the Colorado River basin and have undergone declines in both abundance and distribution throughout their ranges. Due to these declines, state and federal agencies have entered into a range-wide conservation agreement and strategy to ensure the persistence of these species in their native ranges (Utah Division of Wildlife Resources 2006) Weitzel (2002) reports that these three species were historically abundant in the Green River watershed of southwestern Wyoming. However, populations have declined in Wyoming (Weitzel 2002) and throughout the...
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Conservation efforts to protect and restore native fish species of the Colorado River basin are underway (Utah Division of Wildlife Resource 2004a and 2004b). Flannelmouth sucker (Catostomus latipinnus), bluehead sucker (Catostomus discobolus), and roundtail chub (Gila robusta), hereafter target species, are three species native to the Colorado River basin that have been targeted by these efforts. Weitzel (2002) reports that these three species were historically abundant in the Green River watershed of southwestern Wyoming. However, populations have declined in Wyoming (Weitzel 2002) and in other areas throughout the Colorado River drainage (Bezzerides and Bestgen 2002). The Wyoming Natural Diversity...
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