松江鲈鱼,产于临海地带,甚为珍稀.它与黄河鲤鱼、松花江鳜鱼和兴凯湖白鱼并称为我国四大名鱼,其体形略似圆筒,头部宽扁,后部渐细而倒扁,体长十余厘米,无磷,呈黄褐色,口大,前颌骨能伸缩,左右两鳃膜上各有两橙红色斜条,犹如四片鳃叶,故又名四鳃鲈.松江鲈鱼,行动利索,反应敏捷,昼伏夜袭,食以虾为主,兼吞小鱼. Songjiang sea bass, produced in the coastal zone, is very rare.It and the Yellow River carp, Songhua River and Xingkai Lake white fish and known as the four famous fish in China, its body shape is slightly cylindrical, the head wide and flat, Thin and inverted flat, more than ten centimeters in length, phosphorus-free, yellow-brown, large mouth, the jaw can be retracted, left and right gill have two orange red diagonal, like four gill leaves, it is also known as the four Gill perch. Songjiang perch, agile, agile, nocturn night attack, eat mainly shrimp, swallow small fish.