Saturday, November 20, 2010
数千只水母被冲上海滩 (转)
近日,美国旧金山海滩有数千只水母被冲上岸,形成一条长约5公里,宽6米的水母“地毯”。
这是被冲上岸的一只外形古怪的海月水母。海月水母是一种典型的漂流水母。它们的幼虫从受精卵发育而成,幼虫的身体表面有无数的纤毛用来游泳。
海月水母通过有性生殖,就可以产生受精卵,开始下一个生命的轮回。海月水母外形靓丽,极具观赏性。
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