斑点叉尾鱼回自引入我国 1 5年以来 ,已成为养殖的重要对象。由于引种渠道及数量有限 ,繁育群体较小 ,加上辗转引种 ,造成近亲繁殖 ,故其经济性状退化的问题应加以重视。我们于 1 998年进行了两个品系斑点叉尾鱼回网箱养殖效果的比较 ,发现二者在生长速度、成活率、饵料系数、 After introduced into China for 15 years, Capuchin has become an important target for breeding. Due to the limited number of introduction channels and breeding populations, coupled with the introduction of tumble, resulting in inbreeding, so the deterioration of economic traits should be paid attention to. In 1998, we compared the effects of feeding two types of snapper to the cage, and found that the growth rate, survival rate, feed conversion coefficient,