The Collaborative International Dictionary
Alepidosaurus ferox
lancetfish \lan"cet*fish`\, lancet fish \lan"cet fish`\n. (Zo["o]l.) A large, elongated, scaleless, voracious, deep-sea fish ( Alepidosaurus ferox), having long, sharp, lancetlike teeth and a long saillike dorsal fin. [WordNet sense 1]
Syn: lancet fish, wolffish.
2. The doctor, or surgeon fish.