The carp is collectively referred to as triangular gudgeon and ball-head gudgeon (Wuchang fish).Mainly distributed in medium-sized lakes downstream of the middle reaches of the Yangtze River in China.Fleshy, tender, and flavorful, Wuchang fish are one of China's major freshwater cultured fish species.Wuchang fish mainly come from the middle and lower reaches of the Yangtze River, with the most in Hubei province, mostly produced from May to August.The body shape of Wuchang fish is flat-sided, long-keel-shaped, with a prominent back bulge, small head, small mouth, grayish-brown color on the sides with light brown luster, dark back and pale belly, medium-sized scales, longer anal fin, short caudal peduncle, and deeply forked tail.The meat of the crucian carp is fine, tender, and rich in flavor, with many small bones and fewer large ones.
