Corals

Are corals plants, animals, or rocks? - Woods Hole Oceanographic Institution

Stony Corals (Hard Corals) Facts

Coral Reefs - Oceans, Coasts & Seashores (U.S. National Park Service)

Threatened Corals in the Gulf of Mexico

Coral - Wikipedia

What is a Coral? - Corals & Reefs Explained

Coral Reefs

Some Coral Species Display Resilience to Ocean Warming

Hard Corals - Coral Reef Alliance

Corals are threatened by global warming

The weird and wonderful underwater world of coral reefs