(1):

(n.) A huge ray (Manta birostris / Cephaloptera vampyrus) of the Gulf of Mexico and Southern Atlantic coasts. Several other related species take the same name. See Cephaloptera.

(2):

(n.) The goosefish or angler (Lophius), and other allied fishes. See Angler.

(3):

(n.) A large cephalopod, especially the very large species of Octopus and Architeuthis. See Octopus.

(4):

(n.) The gray whale of the Pacific coast. See Gray whale.