Donghai ecological fish is a specialty of Donghai county, Lianyungang city, Jiangsu province. The East China Sea is known as the "county of hundreds of reservoirs", with wide water surface and excellent water quality, and is rich in more than a dozen kinds of fish such as silver carp, grass carp, mandarin fish and whitebait.

Eco-fish in the East China Sea is a kind of wild fish stocked in reservoirs and feeding on plankton. It is natural and original, green and pollution-free. It is rich in nutrition, delicious in meat, smooth and fragrant, and has strong health care functions.