Grass carp likes to eat insects, earthworms, algae and duckweeds when they are young. When its body length reaches more than 10cm, it likes to eat corn kernels, mulberries and tender grass leaves.

Grass carp, Cyprinidae. The body is slender, sub-cylindrical, and the body length is more than1m. The body is bluish yellow. The head is wide and flat, and the mouth end position is unnecessary. Pharyngeal tooth comb. It lives in the middle and lower layers of water and feeds on aquatic plants. Mature at 3-4 years old, spawning in the upper reaches of rivers, which can be artificially propagated. It grows fast, and the largest individual is about 30kg. It is the main freshwater fish culture object in China. Distributed in major water systems in China, the meat is delicious and the fish gall is toxic.