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Westslope cutthroat are common in both headwaters lake and stream environments. They feed mainly on insects and zooplankton. The average length of the fish is about 8-12 inches (30 cm) and rarely exceeds 18 inches (46 cm). The skin has small dark freckle-like spots clustered towards the tail, and is mostly orange-hued.
The cutthroat trout is the state fish of Idaho, Montana and Wyoming, while particular subspecies of cutthroat are the state fish of Colorado, Nevada, New Mexico and Utah. Idaho [112] Montana [113] and Wyoming [114] –Cutthroat trout (O. clarki) Colorado–Greenback cutthroat trout (O. v. stomias) Nevada [115] –Lahontan cutthroat trout (O. h ...
O. c. henshawi. Trinomial name. Oncorhynchus clarkii henshawi. (Gill and Jordan, 1878) Lahontan cutthroat trout (Oncorhynchus clarkii henshawi) is the largest subspecies of cutthroat trout and the state fish of Nevada. It is one of three subspecies of cutthroat trout that are listed as federally threatened. [2][5]
There are at least 31 game and 59 non-game fish species known to occur in Montana. [1] Among Montana's fish, three are listed as endangered or threatened species and the Montana Department of Fish, Wildlife and Parks lists a number of species as species of concern. [2] Species are listed by common name, scientific name, typical habitat and ...
U.S. Fish and Wildlife Service. Lamesteer National Wildlife Refuge is an 800-acre (320 ha) National Wildlife Refuge in eastern Montana, U.S. [2] All of the acreage is an easement refuge and is on privately owned land but the landowners and U.S. Government work cooperatively to protect the resources. [3] [4] The refuge was set aside to preserve ...
Mountain whitefish possess a forked homocercal tail. The short head has a small mouth underneath the snout. The short dorsal fin has 12–13 rays, with 11–13 for the anal fin, 10–12 for the pelvic fins, and 14–18 for the pectoral fins. Size has been recorded at up to 70 centimeters (28 inches) in length and a weight of 2.9 kilograms (6.4 lb).
Angling for trout has been a pastime in the park since its creation and trout species dominate the fish inhabiting the park. When Yellowstone National Park was created in 1872, 40% of the park's waters were barren of fish, including most alpine lakes and rivers above major waterfalls. Only 17 of 150 lakes held fish.
It lies between the southwest flank of the Whitefish Range and the northeast flank of Lion Mountain [5] in Flathead County. This natural 5.2 square miles (13 km 2) lake has a maximum length of 5.8 miles (9.3 km) and width of 1.4 miles (2.3 km), and is 233 feet (71 m) at its deepest. Whitefish Lake has a surface elevation of 2,999 feet (914 m ...