Croaker

Part of speech: noun (n.)

1. One who croaks, murmurs, grumbles, or complains unreasonably; one who habitually forebodes evil.

2. A small American fish (Micropogon undulatus), of the Atlantic coast.

3. An American fresh-water fish (Aplodinotus grunniens); -- called also drum.

4. The surf fish of California.