南方大口鲶,又名大口鲶、河鲶、属鲶形目鲶科,是生活于长江流域江河中的一种大型经济鱼类,常见体重约—25kg,最大个体可达50kg。其特点生长快,当年繁殖的鱼苗到年底平均尾重可达0.4—0.5kg;第二年可长到1.5kg,第三年可达2.7kg。大口鲶一年四季都能生长,以夏、秋长势最猛,日增重 Southern catfish, also known as catfish, river catfish, is a catfish Siluriformes, is living in the Yangtze River in a large economic fish, common body weight of about -25kg, the largest individual up to 50kg. Its characteristics of fast growth, the year of breeding fry average tail end of the year up to 0.4-0.5kg; the second year can grow to 1.5kg, the third year up to 2.7kg. Catfish can grow throughout the year, the most fierce growth in summer and autumn, increasing weight gain