Pronunciation: (hag'fish"), [key]
—pl. (esp. collectively) -fish, (esp. referring to two or more kinds or species) -fish•es.
any eellike, marine cyclostome of the order Myxiniformes, having undeveloped eyes, a barbel-rimmed, circular mouth, and horny teeth for boring into the flesh of fishes to feed on their interior parts. See illus. in next column.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.