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12 of the most interesting snails in the world

July 10, 2014, 9:20 a.m.
Clusterwink

Photo: D. D. Deheyn/Scripps Institution of Oceanography, UC San Diego

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Clusterwink

This little-known sea snail puts on one of nature's most dazzling light shows. Capable of bioluminescence, the clusterwink flashes a brilliant green light whenever it is disturbed or threatened. Researchers believe these displays serve the snail by confusing or frightening predators.