The Wondrous World of the Imperiled Coral Reefs

Disease plays a role as well, with whole coral colonies wiped out by sudden sickness, which is linked to warmer sea temperatures caused by climate change. Purple fairy anthias and orange anthias pass through a reef off Viti Levu, Fiji.
Stuart Westmorland / Corbis

Wow Factor
Disease plays a role as well, with whole coral colonies wiped out by sudden sickness, which is linked to warmer sea temperatures caused by climate change. Purple fairy Anthias and Orange Anthias pass through a reef off Viti Levu, Fiji.

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