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Darkness stifles reproduction of surface-dwelling fish
Date:5/10/2011

intain good health in the darkness.

One explanation for the results, Riesch says, has to do with the amount of resources fish have available for reproduction. A fish that has evolved in light has difficulties navigating and finding food in darkness, resulting in reproductive failure.

"Light and dark can completely disrupt life and reproduction for certain fish, and specific key adaptations are necessary to survive in caves," Riesch says. "This study may be one answer to why fish of the same species living side by side can be so different."


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Contact: Rudiger Riesch
rwriesch.evolutionarybiology@gmail.com
919-513-7552
North Carolina State University
Source:Eurekalert  

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