angelfish noun6 •Any member of the genus Pterophyllum of freshwater, tropical cichlids. •Any marine fish of the family Pomacanthidae, common on shallow tropical reefs. •Angelshark, of the family Squatinidae. •Atlantic spadefish (Chaetodipterus faber). •(South-Africa) Atlantic pomfret (Brama brama). •cave angelfish, a karst-dwelling member of the family Balitoridae, found only in Thailand. formsangelfishes