Colorado Cutthroat Trout Species. Native to wyoming colorado utah arizona and new mexico. The rio grande cutthroat in the san luis valley and new mexico.
Although the three fish pictured above are all cutthroat trout they are remarkably different. Clarki clarki have declined dramatically since the 19th century brown trout salmo trutta have commonly replaced cutthroat trout in large rivers behnke 1992. The colorado river cutthroat trout oncorhynchus clarki pleuriticus is a subspecies of cutthroat trout native only to the green and colorado river basins which are west of the continental divide.
Similar species include yellowstone cutthroat trout o.
The cutthroat oncorhynchus clarki deserves to be state fish as it is the only trout that is native indigenous to colorado it has a crimson slash on either side of the throat below the lower jaw. There are more species of cuts in colorado and the west than pictured above but these are the subspecies we most commonly catch on the front range. And the colorado river cutthroat on the western slope comprised of. Fish and wildlife service 1995.
