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试验对斑点叉尾的胚胎及卵黄囊期仔鱼形态发育的过程进行观察、描述,研究了其发育特征。结果表明:斑点叉尾受精卵在水温24±1℃时,出膜时间(胚胎期)约为147h 30min。水温25±1℃时,斑点叉尾鮰卵黄囊期约为134h。
The experiment was carried out to observe the morphological development of embryos and yolk sac larvae of I. distichus and to describe and study its developmental characteristics. The results showed that the time of embryo development at the water temperature of 24 ± 1 ℃ was 147h 30min. Water temperature 25 ± 1 ℃, the catfish yolk sac period of about 134h.