Use of the model has specifically been conducted to analyze survival of two endangered species found in the Truckee River and Pyramid Lake: the Cui-ui sucker fish and the Lahontan cutthroat trout.
Fish species inhabiting the river and its related lakes and streams include sheefish, burbot, whitefish, sucker, king and chum salmon, northern pike and arctic grayling.
The Utah Sucker, Catostomus ardens, is a sucker of the family Catostomidae found in the upper Snake River and the Lake Bonneville areas of western North America.