Mud fish Siniperca chuatsi is a kind of cyprinid fish. Its shape is oval, its mouth is facing down, its back is dark brown, its side is green and yellow, and its abdomen is white. Siniperca chuatsi is a kind of freshwater cultured fish and one of the important edible fish in southern China. Siniperca chuatsi is a very healthy food with tender meat, delicious taste and rich nutrition, which is rich in nutrients such as protein, unsaturated fatty acids, vitamins and trace elements.