海星和软体动物,萨托达岛,2005

Photo of the Day2008-03-27
海星和软体动物,萨托达岛,2005
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中文注释:

印度尼西亚萨托达岛,同众多软体动物一样,这只栖息在蓝色海星上的贝壳是共生生物,这意味着它们可以生活在宿主身上活着其附近,同时对宿主并不造成大的影响。软体动物同时也是海星喜爱的美餐,海星用带有吸盘的管状足捕获张开的蛤、软体动物或者牡蛎,并吸食它们的内脏。
作者: Tim Laman

海星   软体动物   萨托达岛  

图片故事:

萨托达岛是位于印度尼西亚松巴哇岛北边的一个小岛屿,它拥有独特的地貌,萨托达岛原本是一座海中的火山,这里的珊瑚礁吸引了众多潜水爱好者。

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英文注释:

Sea Star and Mollusk, Satonda Island, 2005

Many mollusks, like this ridged specimen resting atop a blue sea star (starfish) near Indonesia's Satonda Island, are commensal creatures, meaning they benefit from living on or near a host organism, while leaving the host largely unaffected. However, mollusks are also a favorite prey of sea stars, which use their suction-cupped tube feet to pry open clams, mollusks, and oysters before consuming their innards.

(Photo shot on assignment for, but not published in, "One Fish, Two Fish, Red Fish, Blue Fish: Why Are Coral Reefs So Colorful?" May 2005, National Geographic magazine)


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