Cyprinidae

Cyprinidae belongs to Cypriniformes. There are more than 3700 species of 210 genera of Cyprinidae fishes in the world. Cyprinidae fishes are egg laying, omnivorous, herbivorous or carnivorous fishes distributed in benthic or aquatic layers. Cyprinidae fishes have toothless jaws, and the ventral part of the last pair of gill arcs is particularly strong, which becomes the hypopharyngeal bone, with 1-3 rows of pharyngeal teeth on it, with cuticular pharyngeal grinding, often covered with tile shaped round scales, and no fat fins; There is only one dorsal fin and 2-4 non branching fins in the front; Abdominal position of pelvic fins; The caudal fins are mostly forked, rarely flat or slightly concave.