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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 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.
The Big Hole River watershed drains 2,800 sq mi (7,300 km 2). [11] [12]The source of the mainstem Big Hole River is Skinner Lake in the Beaverhead National Forest in the Beaverhead Mountains of the Bitterroot Range at the Continental Divide along the Montana-Idaho border in western Beaverhead County.
Grebe Lake is a 156 acres (0.63 km 2) backcountry lake in Yellowstone National Park most noted for its population of Arctic grayling. Grebe Lake comprises the headwaters of the Gibbon River . Grebe Lake is located approximately 3.1 miles (5.0 km) north of the Norris-Canyon section of the Grand Loop Road .
Snow, wind, and cold air in store for beginning of week
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 ...
Thymallus, commonly known as graylings, is a genus of freshwater ray-finned fish and the only genus within the subfamily Thymallinae of the family Salmonidae.Although all Thymallus species can be generically called graylings, without specific qualification the term "grayling" typically refers to the type species Thymallus thymallus, the European grayling.