Westslope cutthroat trout 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 occurrence. Common and The Westslope cutthroat trout (Oncorhynchus lewisi) [4] is a freshwater salmonid in the cutthroat trout complex. [5] The nominate subspecies, also known as the Missouri River cutthroat trout, is Oncorhynchus lewisi lewisi. The Westslope cutthroat trout is the Montana state fish. [6] The Westslope cutthroat trout is a species of concern in Montana [7] and British Columbia [8] ranges and is Cutthroat trout are raised in hatcheries to restore populations in their native range, as well as stock non-native lake environments to support angling. The cutthroat trout type species and several subspecies are the official state fish of seven western U.S. states. List of fishes of Yellowstone National ParkYellowstone brown trout The fish of Yellowstone National Park, in the US states of Idaho, Montana and Wyoming, include 13 native fish species and six introduced or non-native species. 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 Trout Brown trout Trout (pl.: trout) is a generic common name for numerous species of carnivorous freshwater fishes belonging to the genera Oncorhynchus, Salmo, and Salvelinus, all of which are members of the subfamily Salmoninae in the family Salmonidae. The Rocky Mountain cutthroat trout (Oncorhynchus virginalis), formerly lumped in with the cutthroat trout (Oncorhynchus clarkii) [3][4][5][6][7] as one species with multiple subspecies, is a fish species of the family Salmonidae native to cold-water tributaries of the northern [8] and southern [9]

Rocky Mountains, as well as into portions of the Great Basin [8] in North America. As a member of The Yellowstone cutthroat trout (Oncorhynchus virginalis bouvieri) is a subspecies of Rocky Mountain cutthroat trout (Oncorhynchus virginalis). [2][3][4][5] It is a freshwater fish in the salmon family (family Salmonidae). Native only to a few U.S. states, their original range was upstream of Shoshone Falls on the Snake River and tributaries in Wyoming, also across the Continental Divide in Redband trout have often been confused with cutthroat trout (Oncorhynchus clarkii). Redband trout are prized game fish. Redband trout populations have been declining across its range as a result of habitat changes or destruction, the introduction of alien and hatchery-raised fish species, and seasonal drought.