Coral Reef in the Florida Keys

Coral reefs provide food for swarms of fish, both large and small. More about coral reef ecosystems can be found on our Coral Reefs overview page.

Food web

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Submitted by The Ocean Portal Team on


You can learn more about ocean acidification, the major impact of rising carbon dioxide on coral reefs, on our coral reefs overview page. We'll have an ocean acidification page up soon!

Thanks for reading & commenting.

Submitted by lindo nlungu (not verified) on

how does an increase in atmosphoric carbon dioxide affect coral reefs?