Westslope Cutthroat Trout
Oncorhynchus clarkii lewisi
Also known as the black-spotted trout, common cutthroat trout and red-throated trout.
The Westslope Cutthroat trout (Oncorhynchus clarkii lewisi), also known as the black-spotted trout, common cutthroat trout and red-throated trout is a subspecies of the cutthroat trout (Oncorhynchus clarkii) and is a freshwater fish in the salmon family (family Salmonidae) of order Salmoniformes
Westslope Cutthroat Trout by National Park Service/Yellowstone
Westslope Cutthroat Trout by Native Trout Fly Fishing
Westslope cutthroat trout by US Fish & Wildlife Service