COLORADO RIVER CUTTHROAT TROUT

(Onchrhynchus clarki pleuriticus)

Colorado River Cutthroat Trout are managed under a conservation agreement in the states of Utah, Colorado, and Wyoming.  In Utah, this species is designated as a Species of Special Concern because of their declining populations.  Colorado River Cutthroat are native to north-eastern Utah watersheds, and are the only species of Cutthroat Trout found in the Upper Green River Drainage Basin.

 

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COLORADO PIKEMINNOW

(Ptychocheilus lucius)

Colorado Pikeminnow are federally protected under the Endangered Species Act of 1973.  Colorado Pikeminnow evolved throughout the  Colorado River basin; however, in recent history populations have only been found in the upper Colorado River Drainage Basin.  In Utah, wild populations have been found in the Duchesne, Green, and White Rivers. 

 

 

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RAZORBACK SUCKER

(Xyrauchen texanus)

 Razorback Sucker are federally protected under the Endangered Species Act of 1973.  Razorback Sucker evolved throughout the  Colorado River basin; however, in recent history populations have only been found in the upper Colorado River Drainage Basin.  In Utah, wild populations have been found in the Duchesne, Green, and White Rivers. 

 

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BONYTAIL

(Gila elegans)

 Bonytail are federally protected under the Endangered Species Act of 1973.  Bonytail's historic range stretches throughout the Colorado River Basin from as far north as Wyoming and south to Mexico.  Wild populations found in Utah are limited to the Green River, a tributary of the Colorado River.

 

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ROUNDTAIL CHUB

(Gila robusta)

 Roundtail Chub are presently found only in the  upper Colorado River drainage basin and the Gila River drainage basin.  In Utah, Roundtail Chub are found within the Green River and San Juan River basins. 

 

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BLUEHEAD SUCKER

(Catostomus discobolus Cope)

 Bluehead Sucker occupy much of the upper Colorado River drainage basin.  Bluehead Sucker range in Utah within the Bonneville, Bear River, Snake River, San Juan, and Green River Drainage Basins.

 

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FLANNELMOUTH SUCKER

(Catostomus latipinnis)

 Flannelmouth Sucker were once abundant throughout the entire Colorado River Basin.  At present, Flannelmouth sucker are more commonly found in the upper Colorado River Basin. In Utah, Flannelmouth Sucker are found in major tributary sub-basins of the Colorado River including the Green River, San Juan River, and Virgin River.

 

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