| Noun | 1. | cypriniform fish - a soft-finned fish of the order Cypriniformes malacopterygian, soft-finned fish - any fish of the superorder Malacopterygii Cypriniformes, order Cypriniformes - an order of animals including almost entirely freshwater fishes: characins; loaches; carp; suckers; sometimes classified as a suborder of Ostariophysi loach - slender freshwater fishes of Eurasia and Africa resembling catfishes cyprinid, cyprinid fish - soft-finned mainly freshwater fishes typically having toothless jaws and cycloid scales electric eel, Electrophorus electric - eel-shaped freshwater fish of South America having electric organs in its body catostomid - a cypriniform fish of the family Catostomidae cyprinodont - any member of the family Cyprinodontidae live-bearer, poeciliid, poeciliid fish, topminnow - small usually brightly-colored viviparous surface-feeding fishes of fresh or brackish warm waters; often used in mosquito control |