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罗汉鱼怎么分公母

更新时间: 2020-08-20 00:00:00     

一般用以下五点来区分

棘条背鳍:第一至第六条棘条背鳍较粗呈圆形是雄性,如较细呈扁形则为雌性。腹鳍:用手触摸腹鳍,较硬的是雄性,较软的是雌性,因雌性繁殖时须用腹鳍摇动为鱼卵提供氧气,防止细菌侵入,更能用来扫除杂物。鱼胸较尖多为雌性,鱼胸较圆多为雄性。体形:通常鱼身较粗壮的是雄性。生殖孔:生殖孔突出呈V形为雄性,生殖孔 突出呈U形为雌性。

关键词: 罗汉 怎么

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