Suckerfish or sucker may refer to: the remoras (family Echeneidae): ray-finned fishes that use suction to hold onto larger marine animals the family Catostomidae (suckers): freshwater fish found mostly in North America the species Hypostomus plecostomus (the suckermouth catfish), or other members of family Loricariidae Chinese sucker fish (Beaufortia kweichowensis): a hillstream loach species native to the riverine fauna of China
See also Sucker (disambiguation) Fish (disambiguation) Sucker barb (Barbichthys laevis), a ray-finned fish species Sucker catfish (disambiguation) Suckermouth