摘要
黄颡鱼繁殖期不同时间段性别比例差异不显著.体长小于155mm区段,雌性个体显著多于雄性个体,性比显著偏离;体长大于155mm区段,几乎全为雄性.体长95mm～155mm区间的3个体长区段雌雄性别比例差异不显著.
The sexual ratio of Pseudobagrus fulvidraco population has no marked distinction during different reproductive time. The females are much more than the males when their body length are less than 155mm; while for those longer than 155mm, the sex shifts to almost all males. For three group from 95mm to 155mm, the sex distinction is not remakable.
出处
《温州师范学院学报》
2004年第2期77-79,共3页
Journal of Wenzhou Teachers College(Philosophy and Social Science Edition)
基金
丽水师范专科学校重点教改项目资助(2002-05)
关键词
黄颡鱼
种群
性别比例
Pseudobagrus fulvidraco
population
sex ratio
