1. The pond carp is a tropical and subtropical fish, belonging to the catfish family, and inhabits the lower reaches of rivers, fields, ponds, ditches, etc. They like to gather in groups and are gluttonous. They mainly eat animal food, such as insects, small miscellaneous fish, shrimps, shellfish, etc. They also like to eat blood (such as pig blood. The blood of slaughtered pigs flows into the pond, and the pond fish will grow very long. Large), feces, meat (including humans), eat these and grow rapidly, mostly active and feeding at night, and dive into the bottom of the water or caves during the day.

2. Pond lice are sweet in taste and warm in nature, and have the effects of tonifying Yang, promoting urination, and treating edema. Pond lice are rich in nutrients. Each 100 grams of fish meat contains 64.1 grams of water and 14.4 grams of protein. It also contains a variety of minerals and trace elements. It is especially suitable for people who are weak and malnourished.