- the ocean sunfish, Mola mola.
- any of various other fishes of the family Molidae.
- any of several small, brightly colored, spiny-rayed freshwater fishes of the genus Lepomis, of North America, having a deep, compressed body.
- any large plectognath fish of the family Molidae, of temperate and tropical seas, esp Mola mola, which has a large rounded compressed body, long pointed dorsal and anal fins, and a fringelike tail fin
- any of various small predatory North American freshwater percoid fishes of the family Centrarchidae, typically having a compressed brightly coloured body
