【摘要】 试验获得初步成功 :用 50万粒受精卵孵得 3 4 .8万尾仔鱼 ,经 60日龄培育 ,获全长 2 0 .5～ 48.5mm(平均全长 2 6.5mm)的斜带石斑鱼鱼苗 0 .4万尾 ,育苗成活率达1 .2 %.试验期间育苗池水温、盐度的变化范围分别为 2 7.3～ 3 0 .5℃和 3 1 .5～ 3 2 .0 .试验采用如下饵料系列 :牡蛎担轮幼虫 轮虫 卤虫无节幼体 卤虫无节幼体 +冰冻桡足类、海水枝角类 .试验经历了 3个死亡高峰期 ,它们分别出现在育苗初期仔鱼开口阶段、稚鱼期 3 0～ 3 8日龄阶段和进入幼鱼期以后 ,本文讨论分析了其成因 .更多还原

【Abstract】 A technique of artificial fry rearing of Epinephelus coioides was reported. In this experiment 500 thousand eggs were used, 4 thousand young fish with the average of total length 26.5mm (20.5～48.5mm) were obtained after rearing 60 days. The survival rate through larvae stage to young fish stage was 1.2%. During the test period the temperature and salinity of seawater used in the laboratory pool were 27.3℃～30.5℃ &31.5～32.0 respectively. The feed processes for the larvae, juvenile and young fish were as follows: trochophore larvae of oyster-rotifer-artemia nauplii-artemia nauplii and copepod, cladocera. It was showed that death peek periods occurred in the bud of larvae stage (1～8d), the middle of juvenile stage (30～38d) and young fish stage (after 44d). The cause was analyzed and argued.更多还原