By A Mystery Man Writer
What exactly are coral reefs? There's more to these fixtures of nature shows and tropical vacations than meets the eye.
Jo Kelly: 'Nature-based solutions are essential for Reef recovery
Natural Features of Kvarken Archipelago Nature Reserve
What are coral reefs? - Gulo in Nature
Scientists discover pristine deep-sea Galápagos reef 'teeming with
What is a Coral? (U.S. National Park Service)
KDE Santa Barbara
What Are Coral Reefs?
Coral Reefs - A-Z Animals
Family Travel Blog
Scientists in Costa Rica Are Growing New Corals to Save Reefs
Anantara's Coral Reefs: Securing Their Survival (KSLOF) -Living
What are coral reefs?