Do you know ghouls from goblins and ghosts?
any of nine species of large, long-bodied blennies of the family Anarhichadidae (order Perciformes), found in northern Atlantic and Pacific waters. Wolffishes are much larger than most other blennies, the largest species growing to a length of about 2.3 m (7.5 feet). Wolffishes have a large head and a long, tapered body surmounted by a single, long dorsal fin. Their formidable teeth consist of large canines and heavy molars capable of handling a diet of crabs, starfishes, sea urchins, and other prey.