大口鲶又名南方大口鲶、河鲶,主要产于长江流域,是一种大型经济鱼类。常见个体重约2～5公斤,最大个体可达30公斤以上。因营养丰富,肉质细嫩,味道鲜美,深受广大人民群众喜爱。它与分布很广泛的小个体土鲶是同属不同种,由于目前养殖的人日益增多,而鱼种相对较少,故许多人常以土鲶 Catfish, also known as the southern catfish, river catfish, mainly produced in the Yangtze River valley, is a large-scale economic fish. Common individual weighing about 2 ~ 5 kg, the largest individual up to 30 kg or more. Because of nutrient-rich, delicate meat, delicious, loved by the masses. It is distributed with a wide range of small individual soil catfish are different species, due to the current growing number of people, and relatively few species, so many people often soil catfish