Grass carp is a kind of fish that mainly feeds on aquatic plants, but it is an omnivorous fish.

They mainly feed on plankton in the seedling stage.

In the larval stage, earthworm, insect, algae, duckweed and other foods are added.

In adulthood, grass is the staple food, but meat is still eaten from time to time. At this time, they began to eat some small meat with shells, such as snails, shrimps and crabs.