团头鲂 (ＭｅｇａｌｏｂｒａｍａａｍｂｌｙｏｃｅｐｈａｌａＹｉｈ)是我国长江中下游水系静水湖泊中特有的经济鱼类。自6 0年代初开展人工移植 ,推广到全国各地后 ,成为优良的养殖对象而受到青睐。随着市场需求量的不断增大和游钓渔业的发展 ,团头鲂在养殖中占的比重有逐年扩 MegalobramaamblyocephalaYih is a kind of economic fish peculiar to the still water lake in the middle and lower reaches of the Yangtze River in our country. Since the early 1960s, artificial grafting has been carried out and extended to all parts of the country to become an excellent breeding target and is favored. With the increasing market demand and the development of fishing and fishing industry, the proportion of the head group in breeding accounted for year by year expansion