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海洋七大共生奇观:小虾为电鳗清洁口腔(5)
2009-02-05 08:58:04 新华网 发表评论
    

    5.发亮细菌帮琵琶鱼捕猎

海洋七大共生奇观:小虾为电鳗清洁口腔

    琵琶鱼生活在深海水域,泳技了得,也以面容丑陋而著称。它能诱使猎物送货上门,自己钻进口中。它是怎样做到这一点的呢?秘密在于小小的发光猎物,实际上它是由上百万的发亮细菌组成的,其前额依附于一块类似鱼竿的突出物上。让人烦扰的边注:为了交配,雄性琵琶鱼会将雌性琵琶鱼慢慢咬死,自己的性腺也因挑战者而衰竭,附在雌性身上直至她能与其遗体交配。

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