It is one of the four traditional freshwater fish in China. It contains minerals such as sugar, vitamins and zinc, and is rich in trace elements such as selenium and iodine. Black herring is delicious and regarded as the first-class edible fish, which has high economic and edible value. Black herring (scientific name: Mylopharyngodonpiceus) is a fish of CYPRINIDAE and Herring. Body length can reach 145 cm. Body length is 3.3 ~ 4. 1 times of body height and 3.5 ~ 4.4 times of head length. The body is stout, nearly cylindrical, with a round abdomen and no abdominal ribs. The dorsal fin is located above the ventral fin, without hard spines, and the outer edge is straight. The body is bluish gray, the back is deep, the abdomen is gray, and the fins are all black. The individual is large, and the maximum can reach more than 70 kilograms.