Arctic Grayling
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Arctic grayling is a species of freshwater fish in the salmon family of order Salmoniformes. It comprises five subspecies native to the Nearctic and Palearctic ecozones. T. a. 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 other subspecies have narrower ranges. T. a. baicalensis is restricted to the Lake Baikal drainage in Russia. T. a. grubii is found only in the Amur basin in east Asia. They were also stocked at Toppings Lake by the Grand Tetons. Several life history forms of…mehr

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Arctic grayling is a species of freshwater fish in the salmon family of order Salmoniformes. It comprises five subspecies native to the Nearctic and Palearctic ecozones. T. a. 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 other subspecies have narrower ranges. T. a. baicalensis is restricted to the Lake Baikal drainage in Russia. T. a. grubii is found only in the Amur basin in east Asia. They were also stocked at Toppings Lake by the Grand Tetons. Several life history forms of Arctic grayling occur: fluvial populations that live and spawn in rivers; lacustrine populations that live and spawn in lakes; and potamodromous populations that live in lakes and spawn in tributary streams.