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Colorado River cutthroat trout
Oncorhynchus clarkii pleuriticus
Identifying Characteristics

Body is bright, golden yellow with a brassy green back, the most colorful Wyoming cutthroat
Large spots distributed uniformly on body and caudal fin, which can be rectangular in shape on the caudal peduncle
Adipose fin usually has a black border
Orange tint along belly
Red or orange slash mark under jaw
Distinguished from other cutthroat subspecies by is bright colors and large spots
Distinguished from rainbow trout by the lack of white tips on fins
Colorado River cutthroat trout image 
Other Information
The Colorado River cutthroat trout is native to the Green River and Little Snake river drainages in Wyoming. In fact, they were the only trout found in those drainages. Numbers of Colorado River cutthroats were reduced through hybridization and competition with introduced non-native trout, like the brook trout and rainbow trout.

Colorado River cutthroat prefer small, clear streams and rivers along with small to medium size lakes. Cutthroat are spring spawners. The principal food of the cutthroat is plankton and aquatic insects in lakes, and aquatic insects in streams. Cutthroat over twelve inches, especially Snake River cutthroat, often feed on small fish and crayfish.

Colorado River cutthroat trout image
Angling Tips
Most conventional trout fishing techniques work fine for cutthroat – in fact, they are one of the easiest trout to catch on hook and line.

Colorado River cutthroat trout image