This draft site contains work currently undergoing peer review. Contact niall.clancy@uwyo.edu with questions.

Arctic Grayling

Thymallus arcticus

Predicted Distribution Loss by End-of-Century:
51%

MT Conservation Rank:
S1 (Critically Imperiled)

Synopsis: Arctic Grayling were historically present throughout the upper Missouri River basin of Montana and Yellowstone National Park, but are now restricted to ~20% of their historic range. All native populations are in decline. Climate change is expected to further reduce this extent.

Other Resources:

Montana Field Guide
Grayling relationship with temperature in the Big Hole; Shane Vatland MSU thesis
Grayling Management: Montana FWP

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