1, shrimp: crucian carp love to eat chopped shrimp, protein-rich, high nutritional value.

2, earthworms: wild crucian carp often catch and kill earthworms in the silt.

3, snail meat: which is rich in vitamins, amino acids and so on.

4, zooplankton: crucian carp have a mixed diet, plants and animals love to eat.

5, fish feed: fish feed is mainly used in artificial culture.