Any of various fishes of the family Cyclopteridae, especially Cyclopterus lumpus of North Atlantic waters, having a stout knobby body with pelvic fins united to form a suction disk, and producing roe that is used for caviar.
Any of several sluggish, marine percoid fishes (family Cyclopteridae), esp. a large N Atlantic species (Cyclopterus lumpus), usually having a heavy body with hard spines, lumps, and a powerful ventral sucker.
Origin of lumpfish
Obsolete lump (perhaps from Dutch lomp burbot, eelpout, lumpfish) (probably akin to Dutch lomp sabot, wooden shoe (since the fish have a plump shape and blunt heads)) (English lump) fish