A subspecies of cutthroat trout, the Bonneville cutthroat is native to this state & is its state fish
[DOC] [TLE] Pioneer - Utah State Fish - Bonneville Cutthroat Trout [PAR] The cutthroat trout, Oncorhynchus clarkii, has 15 recognized subspecies, ... from 
the rainbow trout because they have basibranchial (hyoid) teeth in their ... 
Bonneville Cutthroat as the state fish after having the Rainbow Trout since 1971 (
Utah Code).