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The mountain whitefish (Prosopium williamsoni) is one of the most widely distributed salmonid fish of western North America. [3] It is found from the Mackenzie River drainage in Northwest Territories, Canada through western Canada and the northwestern USA in the Pacific, Hudson Bay and upper Missouri River basins to the Truckee River drainage in Nevada and Sevier River drainage in Utah.
The mountain whitefish (Prosopium williamsoni) is native to the park in the Madison River drainage, the Gallatin River drainage, the Yellowstone River below Knowles Falls, the Middle Creek tributary of the Shoshone River and the Snake River drainage. Attempts to introduce mountain whitefish into the Yellowstone River below Yellowstone Lake were ...
The current population of lions in Yellowstone is estimated to be 18-24 animals and is thought to be increasing. Mountain lions live an average lifespan of about 12 years in the wild. Mountain lions were significantly reduced by predator control measures during the early 20th century.
The following list of known freshwater fish species, subspecies, and hybrids occurring in the U.S. state of Idaho is taken from Wydoski and Whitney (2003). Some scientific names have been updated or corrected.
The pygmy whitefish is a small herring-like fish with a long and cylindrical body by comparison to other whitefishes. [1] Silvery in colour, it has a brownish back, and a whitish belly. [ 1 ] Black spots on the side called "parr marks", which are present on young trout or "parrs", are present on the young of this species, and on adults in some ...
Bear Lake whitefish: Bear Lake on the Utah-Idaho border Prosopium coulterii (C. H. Eigenmann & R. S. Eigenmann, 1892) Pygmy whitefish: mountain streams and lakes in western North America, it also has isolated populations in Lake Superior and in Ekityki Lake, Chukchi Peninsula. Prosopium cylindraceum (Pennant, 1784) Round whitefish
The following list of known freshwater fish species, subspecies, and hybrids occurring in Washington state is taken from Wydoski and Whitney(2003). Some scientific names have been updated or corrected.
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.