cichlid /ˈsɪklɪd/ noun1 •Any of many tropical fish, of the family Cichlidae, popular as aquarium fish.There were all kinds - Swordtails, Guppies, Platys, Terras [sic], Neons, Cichlids, Labyrinth and Paradise fish, and every variety of exotic Goldfish. — 1954 formscichlids