Coral reefs are the lifeblood of the ocean, providing shelter and resources for countless marine animals. Discover 10 ...

Corals are animals, but many are powered ... goal being to protect the Reef. Coral reefs fringe many tropical coastlines, providing an important first line of defence against powerful tropical ...

Coral reefs are made up of colonies of hundreds to thousands of tiny individual corals, called polyps. These marine invertebrate animals have hard exoskeletons made of calcium carbonate, and are ...