Noun | 1. | family Characidae - tropical freshwater fishes of Africa and South America and Central America fish family - any of various families of fish Cypriniformes, order Cypriniformes - an order of animals including almost entirely freshwater fishes: characins; loaches; carp; suckers; sometimes classified as a suborder of Ostariophysi genus Hemigrammus, Hemigrammus - tetras genus Paracheirodon, Paracheirodon - a genus of Characidae genus Serrasalmus, Serrasalmus - piranhas |