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The Montana Arctic grayling (Thymallus arcticus montanus) is a North American freshwater fish in the salmon family Salmonidae. The Montana Arctic grayling, native to the upper Missouri River basin in Montana and Wyoming , is a disjunct population or subspecies of the more widespread Arctic grayling ( Thymallus arcticus ). [ 5 ]
The two populations are commonly called Montana Arctic grayling. [4] The Big Hole River Watershed Committee (BHWC) was formed in 1995 by several Big Hole ranchers and some factions of the conservation community who opposed an ESA listing for fluvial Arctic grayling.
In 1921, U.S. Fish Commission personnel stocked Grebe Lake, at that time fishless, with the Montana strain Thymallus arcticus montanus of a lacustrine form of Arctic Grayling. The original stocks came from Georgetown Lake near Anaconda, Montana. The fluvial form of Arctic Grayling was native to the Madison and Gibbon Rivers below Gibbon Falls ...
The scientific name of the Arctic grayling is Thymallus arcticus.It was named in 1776 by German zoologist Peter Simon Pallas from specimens collected in Russia. The name of the genus Thymallus first given to grayling (T. thymallus) described in the 1758 edition of Systema Naturae by Swedish zoologist Carl Linnaeus originates from the faint smell of the herb thyme, which emanates from the flesh.
The Arctic Grayling (Thymallus arcticus montanus) was originally distributed throughout the Madison River drainage below Firehole Falls and Gibbon Falls and the Gallatin River drainage. Introductions of brown and rainbow trout into the Madison River drainage caused the extirpation of the grayling from these rivers.
Located ten miles (16 km) north of Lincoln, Montana, Heart Lake sits in a cirque five miles west of the Continental Divide. It is home to Arctic grayling and westslope cutthroat trout. [2] The lake is approximately 5 miles (8.0 km) from the Indian Meadows Trailhead. [3] A trail on the east side of the lake goes to Pearl Lake and the top of the ...
The two subranges are quite different from each other in appearance. The East Pioneers have rugged, heavily glaciated peaks. About 145,000 acres (59,000 ha) of the East Pioneers are roadless, and the range holds more than 30 high lakes, including Grayling Lake, which contains Arctic grayling. [2]
The Grizzly & Wolf Discovery Center (originally Grizzly Discovery Center) is a not-for-profit wildlife park and educational facility opened in 1993 that is located in West Yellowstone, Montana, United States. It is open 365 days a year, and admission is good for two consecutive days.