| Noun | 1. | Cypriniformes - an order of animals including almost entirely freshwater fishes: characins; loaches; carp; suckers; sometimes classified as a suborder of Ostariophysi animal order - the order of animals Malacopterygii, superorder Malacopterygii - an extensive group of teleost fishes having fins supported by flexible cartilaginous rays cypriniform fish - a soft-finned fish of the order Cypriniformes Cobitidae, family Cobitidae - loaches Cyprinidae, family Cyprinidae - a family of fish including: carp; tench; roach; rudd; dace Electrophoridae, family Electrophoridae - small family comprising the electric eels Catostomidae, family Catostomidae - suckers; closely related to the family Cyprinidae Cyprinodontidae, family Cyprinodontidae - large family of small soft-finned fishes; killifishes; flagfishes; swordtails; guppies family Poeciliidae, Poeciliidae - topminnows Characidae, family Characidae - tropical freshwater fishes of Africa and South America and Central America |