Grass carp (also known as grass carp) is a "predatory fish" often inhabited in the lower and middle layers of the water column, strong activity, like to the upper water column or the shore foraging, often leaping out of the water to ingest grass, suitable for the water quality of the pond; in the juvenile period of time mainly ingesting zooplankton, fish species, adult pond artificial feeding: green cabbage, cabbage, dregs of oil, cornmeal, Bran and so on. However, grass carp gluttony, easy to get enteritis disease, etc., so feeding should be according to the situation of quality and quantity.

Silver carp (also known as chub): belongs to the "fat water fish", often inhabiting the upper layer of the water body, like in the static water, but the temperament is active, to the zooplankton as the main food, the juvenile period of food zooplankton, after the fish into the phytoplankton food. Artificial should be fed soybean paddle, wheat flour and fertilization to cultivate water quality breeding.

Bighead carp (also known as silver carp): also "fat water fish", often inhabiting the lower and middle layers of the water, second only to the silver carp as close to the surface of the water, the main diet of zooplankton, but also eat some phytoplankton in the adult fish period. Artificial feeding oil residue, wheat flour, etc., but also with the silver carp fertilization water quality culture.

Carp: "omnivorous fish". Often inhabiting the lower layers of the water, preferring to eat: snails, clams, tadpole and aquatic insect larvae and other animal food, and at the same time, it is desirable to eat organic debris, its diet can be described as a wide range of no wonder that the southern fishermen called it a pond "cleaner".

Carp: also "omnivorous". Often inhabited in the water body in the bottom layer, the food is also more extensive, but the seasonal food slightly changed, its food is almost similar to the carp, but favors plant bait.

The bighead carp, also known as the silver carp, belongs to the carp family and is one of the four famous bighead fishes. The body is laterally compressed and higher, with a dark black back and small irregular black spots. The head is large, equal in size in the mouth, and the eyes are in the lower part of the head. Inhabits the middle and upper layers of water, filter-feeding plankton with fine gill rakers. Habits are moderate. Four or more mature, can be artificially reproduced. Fast-growing, easy to get bait, is one of China's major freshwater aquaculture fish. Distributed in the country's major waterways.