2. Adult shrimp: mainly feed on small fish, shrimps, mussels, mollusks, aquatic insects, aquatic plants, algae and organic debris. , can be fed with compound feed, agricultural and sideline products, slaughterhouse leftovers, etc. , such as distiller's grains, bean curd residue, bean cake, silkworm chrysalis, mussel meat, wheat flour, fish meal, rice, snails, etc.