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The Arctic grayling (Thymallus arcticus) is a species of freshwater fish in the salmon family Salmonidae. T. arcticus is widespread throughout the Arctic and Pacific drainages in Canada , Alaska , and Siberia , as well as the upper Missouri River drainage in Montana .
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]
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.
Grayling, generically, any fish of the genus Thymallus in the family Salmonidae European grayling (Thymallus thymallus), the type species of the genus Thymallus; Arctic grayling (Thymallus arcticus) Australian grayling (Prototroctes maraena), a fish in the family Retropinnidae
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 in 1872, 40% of the park's waters were barren of fish, including most alpine lakes and rivers above major waterfalls. Only 17 of 150 lakes held fish. [1]
Arctic grayling: Thymallus arcticus: Salmonidae Yes Bigmouth shiner: Notropis dorsalis: Cyprinidae Yes Black bullhead: Ameiurus melas: Ictaluridae Yes Bluehead sucker: Catostomus discobolus: Catostomidae Yes Brassy minnow: Hybognathus hankinsoni: Cyprinidae Yes Burbot: Lota lota: Lotidae Yes Central stoneroller: Campostoma anomalum: Cyprinidae ...
Thymallus arcticus — Arctic grayling; Thymallus baicalensis — Baikal black grayling; Thymallus brevipinnis — Baikal white grayling; Thymallus brevirostris — Mongolian grayling; Thymallus burejensis — Bureya grayling; Thymallus flavomaculatus — Yellow-spotted grayling; Thymallus grubii — Amur grayling; Thymallus mertensii
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. Trout nomenclature follows Behnke et al.(2002). Asterisks denote introduced fishes.