• no adipose fin present
• ventral protrusible mouth, opening downwards
• snout pointed when viewed from the side
• can be dark in colour and some what mottled on back (“two-toned” from lateral line)
  

Known distribution: throughout the territory.

Other notable comments and clues:

• The most distinguishing feature of the juvenile longnose sucker is the ventral protrusible mouth that opens downwards.
• The mouth can make a sucking noise when taken out of water!