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• The Arctic grayling: all you need to know

  

  Arctic grayling are easily recognized due to their large and colorful dorsal fin. Chris Hunt photo. Arctic Grayling (Thymallus arcticus) Species Summary and Status: The Arctic grayling is a cool or cold- freshwater species in the same family (salmonidae) as salmon, trout and whitefish. The defining characteristic of this fish is its large, sail-like dorsal…