Freshwater fish. According to the cool fishing network, Wuchang fish is China's unique freshwater economic fish species, the scientific name of the group head bream, also known as shrinking bream, grass bream, etc., in the biological taxonomy belongs to the animal kingdom, chordata, bony fishes, carp order, carp family, bream genus of freshwater fishes, because of the great leader Chairman Mao in the Yangtze River after swimming left behind the "only to drink the water of Changsha, and eat Wuchang fish "It is famous both at home and abroad for the great leader Chairman Mao's words after his visit to the Yangtze River.