Arctic Grayling (Thymallus arcticus)

  • adipose fin present
  • parr marks and spots are present
  • 2 or 3 rows of black spots above the parr marks
  • huge dorsal fin
 

   
   
   
   

Known distribution in Yukon: throughout the territory all river systems.

Other notable comments and clues:

  • The most distinguishing feature of a juvenile arctic grayling is the large dorsal fin - it’s a dead give-a-way.
  • The dorsal fin can be equal to or greater than the length of the head.