Jiangchuan bighead fish is a freshwater fish, which is mainly distributed in Erhai Lake in Jiangchuan County, China. Jiangchuan bighead fish is a unique species in Erhai Lake, with a large head and a flat body. Its back is silver gray and its abdomen is white. Jiangchuan bighead fish belongs to teleost fish, which belongs to CYPRINIDAE and CYPRINIDAE. It is a kind of edible fish, which is common around Erhai Lake. Besides being a delicacy, Jiangchuan bighead fish also has certain protection value, because it is one of the local endemic species.