How 'disco clams' put on undersea light shows

June 27, 2014 12:35 PM

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How 'disco clams' put on undersea light shows

Tiny "disco clams" create rippling light shows on the ocean floor, thanks to reflective mirrors that coat their lips, new research shows.

Scientists previously believed the 2-inch clams (Ctenoides ales) were bioluminescent. But new high-speed video reveals that the clams' lips are actually covered with tiny silica spheres that reflect natural light.

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