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鳜鱼、又称桂鱼,肉细味美,是人们喜爱的一种名贵淡水鱼。但是,它食性凶残,危害放养的鲢鳙鱼种。有关资料记载,一尾两斤重的鳜鱼可吞食一尾半斤重的鲢鱼,一尾四斤重的鳜鱼可吞食三寸以上鲢鱼种三十余尾。新安江水库有五个品种的鳜鱼,其中以翘嘴鳜的个体为最大,个别的可达二、三十斤。为了提高放库鲢鳙鱼种的成活率,对
Anchovy, also known as mandarin fish, meat delicacies, is a favorite of people a kind of freshwater fish. However, it is destitute of food and jeopardizes the stocking of silver carp and bighead carp. Relevant data records, a catty weight catfish can swallow a half a catty heavy silver carp, a heavy four-catfish can swallow more than three inches more than 30 silver carp tail. Xin’anjiang reservoir there are five varieties of mandarin fish, of which the individual Cephalotaxis is the largest individual up to two or three pounds. In order to improve the survival rate of silver carp and bighead carp species,