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世界上10大最有害的外来入侵物种(组图)(6)
2009-12-21 09:32:04 国际在线 【 发表评论
    

世界上10大最有害的外来入侵物种(组图)

6、食肉的蛇头鱼

    因为这种鱼的头部外形和蛇非常类似,因此西方人称之为“蛇头鱼”。一旦蛇头鱼在池塘或湖泊出现,它们将吞噬掉任何它们可以找到的东西。当地政府为了毒死一条蛇头鱼,不惜污染一条湖。据悉,蛇头鱼呼吸一次新鲜空气可以生活4天,它们还喜欢在陆地上爬行寻找新的水体。巨大的蛇头鱼可长到3英尺长,据说是最具侵略性的动物之一。



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