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When Attacked, Corals Send Out Chemical Signals to Recruit Bodyguard Fish


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Author: Hannah Waters

Source: Smithsonian.com

November 8, 2012

"Corals are constantly under attack. Sea stars and other predators would love to take a bite, coral diseases lie waiting to take them out and many human-caused stresses persist in the water they inhabit, such as pollution, warming temperatures and rising acidity.

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