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淡水石斑鱼怎么分公母

更新时间: 2020-07-13 00:00:00     

淡水石斑鱼分公母方法如下:

1、一般同一产地的同龄雌鱼总是比雄鱼大些,而石斑则是雄鱼体型大些。

2、雄鱼的体色要比雌鱼漂亮得多。

3、生殖季节里,轻压鱼的腹部,如有颗颗卵粒从生殖孔流出,此鱼是雌性。如有乳白色的精液从生殖孔流出,此鱼为是雄鱼。

关键词: 淡水 石斑鱼 怎么

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