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 feed with high protein, comprehensive nutrition and good palatability includes mussel meat, snail meat, animal internal organs, livestock meat, earthworms, Tenebrio molitor, fly maggots and so on. Lobster's favorite plant food includes phytoplankton such as green algae, filamentous algae, duckweed and freshwater plants. The favorite plant bait of domesticated crayfish is bean curd residue, bran, corn flakes, rice bran, various fruits and vegetables and so on.