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如何区分蓝菠萝鱼的公母

更新时间: 2020-09-16 00:00:00     

蓝菠萝鱼可以从以下5方面区别公母:

1、看泄殖腔:在臀鳍后,泄殖腔凹进去的是雌性,泄殖腔凸出来的是雄性;

2、摸鱼鳃盖骨:鳃盖骨有粗糙感觉是雄性,即所谓生殖季节有珠星;

3、看尾鳍或臀鳍:有很长鳍的是雄性,没有的是雌性;

4、看个体:个体较小的为雄性,个体较大的是雌性;

5、看肚子:在生殖季节肚子较扁的是雄性,较鼓的是雌性。

关键词: 如何 区分 菠萝

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