How do coral reefs thrive in parts of the ocean that are low in nutrients? By eating their algal companions

By Jörg Wiedenmann, Head of the Coral Reef Laboratory, University of Southampton
Cecilia D'Angelo, Associate Professor, Coral Reef Laboratory, University of Southampton

Coral reefs thrive in parts of the world’s oceans that are low in nutrients. This mystery has puzzled scientists for centuries and has become known as the “Darwin paradox of coral reefs”.

Our new study adds the missing piece of the puzzle. We found that many species of coral cultivate and feed on the microscopic algae that live inside their cells. This vegetarian…

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