渔业科学进展Issue(5)：38-44,7.DOI:10.11758/yykxjz.20150506
波纹唇鱼（Cheilinus undulatus）的胚胎发育及初孵仔鱼的形态观察
Embryonic Development and Morphologic Observations of Newly-Hatched Cheilinus undulatus Larvae
摘要
Abstract
Thehumphead wrasse, Cheilinus undulatus, is one of the most famous endangered reef fish in the world. As a social hermaphroditic fish, it has special biological characteristics and high economic value. In this study, we observed the embryonic development ofC. undulatusandanalyzed its features under a microscopy. Six periods, including zygote, cleavage, blastula, gastrula-neural, organogenesis, and hatching, were divided during the embryonic development ofC. undulatus. These 6 periods include 26 stages, including zygote, blastoderm formation, multi-cell, morula, and tail bud stageetc. The results showed thatC. undulatus had a float, transparent, spherical egg with a big oil globule. The diameter (635.6±50.0)μm of the egg was obviously shorter than eggs of many marine fishes. The neural plate appeared in the mid to late gastrula stage, and the embryonic development ofC. undulatus was remarkably quicker than other fishes under the same condition. The fertilized eggs were hatched after 15.5 h at water temperature of 27.7−29.0℃and salinity of 30. The total length of newly-hatched larvae were (1305.5±50.0)μm with an elliptic large yolk sac over the head and a shining oil globule in the front of it. These results suggest that the embryo development of C. undulatus was faster than many other fishes due to smaller egg. The special embryonic development features of thehumphead wrasse may cause high mortality in the post embryonic stage.关键词
波纹唇鱼/胚胎发育/卵径/神经板/初孵仔鱼Key words
Cheilinus undulatus/Embryonic development/Fertilized egg diameter/Neural plate/Newly-hatched larvae分类
农业科技引用本文复制引用
陈猛猛,骆剑,陈国华,文鑫,吴光灿,李文深,韩玉龙..波纹唇鱼（Cheilinus undulatus）的胚胎发育及初孵仔鱼的形态观察[J].渔业科学进展,2015,(5):38-44,7.基金项目
国家“863”项目(2012AA10A414)和海南省重大专项(ZDZX2013009)共同资助。 （2012AA10A414）
