• no adipose fin present
• dorsal fins
• second dorsal fin (close to caudal fin) is spined
• caudal (tail) fin is rounded
• large pectoral fins that look fanned
• pectoral and pelvic fins very close together (near front of body)
• anal fin is large and spined
• anterior of body rounded
• posterior of body strongly compressed
• colour tan/light brown to very dark
  

Known distribution: throughout the Yukon Territory.

Other notable comments and clues:

• The most distinguishing feature of the juvenile slimy sculpin is the spiny and “fan-like” fins.
• Sizes of 100mm are considered maximum (not very big fish as adults).