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圆尾斗鱼的胚胎和仔鱼发育的研究
STUDIES ON THE DEVELOPMENT OF EMBRYO AND FRY OF MACROPODUS CHINENSIS (BLOCH)
【摘要】 圆尾斗鱼(Macropoduschinensis)的受精卵呈圆球形,光滑,略带淡黄色,浮性;卵膜吸水膨胀后的平均直径为1.19mm。当水温21—23.5℃时,从受精卵到孵化出膜需42.5小时;水温22-24.5℃时,刚出膜仔查到卵黄囊消失需4天,到油球消失约25天。出膜30天仔鱼的形态基本上与成体相似。
【Abstract】 The fertiiized eggs of AJacropodus chinensis (Bloch) are spheric and yello wishThe average diameter of the eggs which are flaoting after absorbing water is about1.19mm- It takes 42hr from the stage of ferti1ization to the stage in which fryhave just left their eggs under the temperature of 21-23.5℃, and 4 days for thedisappearance of their yolk sacs, 25 days for the disappearance of their oil sphe res at 22-24.5℃. The morph01ogy of the fry having left their eggs for 30 days isvery similiar to that of an adult 。
【关键词】 圆尾斗鱼;
受精卵;
胚胎发育;
仔鱼;
【Key words】 Macropodus chinensis; fertilized eggs; embryonic development; fry;
【Key words】 Macropodus chinensis; fertilized eggs; embryonic development; fry;
【基金】 世界卫生组织和世界银行资助
- 【文献出处】 海洋湖沼通报 ,Transaction of Oceanology and Limnology , 编辑部邮箱 ,1995年02期
- 【分类号】S965
- 【被引频次】15
- 【下载频次】227