天气预报 > 其他 > 鱼会吃自己生的小鱼吗
鱼会吃自己生的小鱼吗
更新时间: 2020-07-05 00:00:00  

会的,因为很多鱼不能分辨自己的后代,在自然环境下,鱼产下的卵或小鱼很快会被流水带到远处,鱼很少有机会接触到自己的卵或后代,而在人工饲养的狭小环境下,鱼和鱼的后代无法有效地分开,在不能分辨后代的本性之下,大鱼会把所有在身边游动的东西当成食物。

关键词: 自己

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