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红剑鱼几个月下籽
更新时间： 2020-10-29 00:00:00  

成年鱼一般7个月左右就可进行繁殖。雄鱼体细长，尾鳍形成棒状的生殖器，尖端有剑状的交接器；雌鱼体短而肥，臀鳍扇形。营群居生活，繁殖水温20~28度时，数尾雄鱼追逐雌鱼，雌鱼卵在体内受精。临产前的雌鱼肛门处呈明显黑色胎斑，可将待产雌鱼捞入繁殖缸中，繁殖方法与孔雀鱼相似。因其体型较大，一般每隔30~50天产仔一次，个体大的雄鱼每胎可产仔鱼200余尾，刚出生的仔鱼躲在水草丛的叶片上。仔鱼生长到3个月时，雄鱼尾鳍下缘的剑尾开始发育。

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