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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.
Thymallus nigrescens, also known as the Hovsgol grayling, is a species of freshwater fish in the salmon family. It is endemic to the Mongolian Lake Khovsgol where they usually live near or on the bottom of the lake .
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.
The Fishes of the Yellowstone National Park (PDF). Washington D.C.: Department of Commerce, Bureau of Fisheries. Kendall, W. C.; Smith, Hugh M. (1921). The Fishes of the Yellowstone National Park—With Description of Park Waters and Notes on Fishing (PDF). Washington D.C.: Department of Commerce, Bureau of Fisheries. Simon, James R. (1962).
[1] [2] Apart from the subfamily Coregoninae, the family Salmonidae includes the salmon, trout, and char species of the subfamily Salmoninae, and grayling species of the subfamily Thymallinae. [ 1 ] [ 3 ] Freshwater whitefish are distributed mainly in relatively cool waters throughout the northern parts of the Northern Hemisphere.
Thymallus thymallus, the grayling or European grayling, [3] is a species of freshwater fish in the salmon family Salmonidae.It is the only species of the genus Thymallus (the graylings) native to Europe, where it is widespread from the United Kingdom and France to the Ural Mountains in Russia, and Balkans on the south-east, but does not occur in the southern parts of the continent.
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.
When fishing on rivers for game fish (i.e., brown, rainbow, brook and sea trout, salmon and in some cases grayling), artificial flies, small spinners and lures are a popular choice for many game anglers due their ability to mimic prey items, (such as small invertebrates), on the surface and top layers of the water, enticing the fish into feeding.