Grass carp is also called _, giant grass and grass green. It belongs to the Araliaceae of CYPRINIDAE and CYPRINIDAE. The body is slender and slightly cylindrical. The back is gray, the sides are golden, and the fins are pale white. The little kiss on the head is round and flat. Round scale, big scale. Sparse gill rakes. Grass carp is lively and likes to jump. In the fry stage, rotifers, nauplii, cladocera and copepods are the staple foods, and their feeding habits are similar to those of silver carp, so they can be mixed with silver carp in the same pool from fry to summer flower stage.