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Published online 21 October 2009 | Nature | doi:10.1038/news.2009.1023

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Bleached corals ruin fish camouflage

No hiding place from ecosystem collapse on the reef.

Fish that usually camouflage themselves among colourful coral reefs are losing their ability to hide from predators as corals are bleached by Earth's acidifying oceans.

Bleaching often leads to coral death, and is a stress response to two key factors: increasing ocean acidity, caused by uptake of carbon dioxide from the atmosphere, and a rise in ocean temperature.

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