Sunfish - Definition and Overview

Several kinds of things are named "sunfish" (or "sun-fish"):

• A brand of sailboat
• Various fishes:
  • Marine fishes:
    • The ocean sunfish (Mola mola)
    • The opah (Lampris guttatus), a type of mackerel
    • The moonfishes of genus Selene (order Perciformes)
    • The African pompano (Alectis ciliaris) (order Perciformes)
    • The spotted eagle ray (Aetobatus narinari), a ray (order Rajiformes)
  • Freshwater fishes:
    • In a technical sense, all members of family Centrarchidae (order Perciformes)
    • The various species of genus Lepomis in that family, especially the bluegill and pumpkinseed
    • A number of similar-looking Perciformes of other families, including the pygmy sunfishes

The Wikipedia category Sunfishes includes the members of family Centrarchidae.