Croaker
Pronunciation : Croak"er (-r)
Part of Speech : n.
Definition : 1. One who croaks, murmurs, grumbles, or complains unreasonably; one who habitually forebodes evil.
2. (Zo?l.) (a) A small American fish (Micropogon undulatus), of the Atlantic coast. (a) An American fresh-water fish (Aplodinotus grunniens); -- called also drum. (c) The surf fish of California.
Note: When caught these fishes make a croaking sound; whence the name, which is often corrupted into crocus.
Source : Webster's Unabridged Dictionary, 1913