| 东北小鲵生态的初步观察 |
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| 引用本文： | 王日昕,马晓红,由小琴,张振凤.东北小鲵生态的初步观察[J].通化师范学院学报,2001,22(2):61-62. |
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| 作者姓名： | 王日昕 马晓红 由小琴 张振凤 |
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| 作者单位： | 通化师范学院生物系,通化,134002 |
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| 摘 要： | 通化产东北小鲵（Hynobius leechit）为体外受精，精子形态似针状，分头、体、尾三部分，产卵在傍晚17点至次日凌晨3－4点，胚体从受业卵到孵出卵膜历时15天左右，一般在每年的5月中旬均已孵出，孵出时幼体前技芽突起明显，未分叉，胚胎和胚胎发育共27个分期。
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| 关 键 词： | 东北小鲵 生态学 脊椎动物门 两栖纲 配对行为 孵化 发育 |
| 文章编号： | 1008-7974(2001)02-0061-02 |
| 修稿时间： | 2000年5月10日 |
The Preliminary Observation of the Ecology of Hynobius Leachit |
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| Abstract: | Hynobius leachit produces new offsprings by outdoor insemination. The spermatozoa looks likeneedles. A spermatozoon comsists of head, body and tail. It lays eggs from 5 a. m to 3--4o'clock of the next morning. The embrgos spend about 15 days to hatch from inseminatedeggs. That is to say, the embryos have hatched in middle May of each year. When the embryoshatch, they have obvious protrusions of frant limbs, and the protrusions have not branches.There are 27 stages during the imbrgonic and after-embryonic development. |
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| Keywords: | Hynobius Leechit ecology |
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