Crayfish are omnivores. They like to eat a lot of food. Lobsters, like other animals, like fresh, nutritious and delicious food. Lobsters like to eat aquatic insects, mosquito larvae, dragonfly larvae, small fish and shrimp, earthworms, maggots and so on. Artificial feeds with high protein, comprehensive nutrition and good palatability include mussel meat, snail meat, animal internal organs, livestock meat, earthworms, Tenebrio molitor, fly maggots and so on. Lobster's favorite plant foods include phytoplankton, such as green algae, filamentous algae, duckweed and freshwater plants. The favorite plant bait of domestic crayfish is bean curd residue, bran, corn flakes, rice bran, various fruits and vegetables and so on.