sea catfish

from the GNU version of the Collaborative International Dictionary of English.

• The wolf fish.
• Any marine siluroid fish, as Ælurichthys marinus, and Arinus felis, of the eastern coast of the United States. Many species are found on the coasts of Central and South America.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun any of numerous marine fishes most of which are mouthbreeders; not used for food