- ⌂ any of a large family (Centrarchidae) of North American, percoid, freshwater fishes, including the bluegill and black bass
- ocean sunfish
nounpl. sunfish or sun·fish·es
- Any of various North American freshwater fishes of the family Centrarchidae, having laterally compressed, often brightly colored bodies and including the crappies, black bass, bluegill, and pumpkinseed.
- Any of several large marine fishes of the family Molidae, especially the ocean sunfish.
Origin of sunfishFrom the roundish bodies and bright colors of many sunfish species.
(plural sunfish or sunfishes)