• adipose fin is present
• the length of the base of the dorsal fin is greater than the length of the base of the anal fin
• back of anal fin vertical (straight up and down)
• no spots on dorsal fin
• deeply forked tail
• colouration includes light coloured spots on darker side of fish (light spots on dark background, NOT dark spots on light background)
  

Known distribution in Yukon: throughout the territory, in lakes.

Other notable comments and clues:

• The most distinguishing feature of the lake trout is its deeply forked tail and its mottled marks.
• Lake trout are only found in lakes throughout the Yukon