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SlideshowReport

Healthy and damaged coral reefs.

Description
A Healthy coral reef near Fiji. The coral gets its color from the pigments of symbiotic dinoflagellates that live in its tissues and supply it with sugars.

B “Bleached” reef near Australia. The coral skeletons shown here belong mainly to staghorn coral (Acropora), a genus especially likely to undergo coral bleaching.
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