In the dark, cave fish follows its own rhythm | Science News

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In the dark, cave fish follows its own rhythm

An odd biological clock may help elucidate how daily cycles are set

By
5:28pm, September 6, 2011

A fish that swims in limestone caverns under the Somalian desert has something to tell scientists about keeping time. Despite living in permanent darkness, with no difference between day and night, this blind cave-dweller still has its own quirky sense of rhythm.

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