Planet Earth - Oceans - Seas - Coral Reefs

Cover Story: Bocas del Toro When you clear-cut a mangrove forest in Panama, you might be killing a coral reef, too. Discover how we're working to protect reef, fish and shore.		You can help protect oceans and all of planet earth when you join The Nature Conservancy today. Take a Quiz on Oceans What are the major threats to oceans? How well do you know coral reefs and their inhabitants? Take our oceans quiz and test your knowledge of the world's oceans!

Coral Reefs Did you know coral reefs are the world's largest living structures? Learn more about these amazing life forms and the species they support!

Ocean Conservation Find out how the Conservancy is turning the tide of coastal degradation and shaping a future of healthy oceans.

Your Guide to the Wild

Oceans are fantastically rich habitats! So find out more about the species that call oceans home—from angel fish to whale sharks, from barracuda to blue tangs.

Send a Free Ecard

Share your love of the world’s oceans with your friends and family by sending a free ocean ecard today!

Get Involved

You can explore new places, receive email you want, and build your own personalized nature page when you join the Conservancy's online community.

Less than a tenth of our deep oceans have been explored. Get a better understanding of them and meet the species that live in the depths.

Images (top to bottom, left to right): Photos © Norbert Wu/Minden Pictures (Shark); © Discovery Communications (Video); © Dave Connell/TNC (Mangrove coast); © David Wachenfeld, Triggerfish images (Coral reef); © Robert Shallenberger (Island); © Nancy Sefton (Clown Fish); © Hugo Arnal/TNC (Sally Lightfoot crab); © Discovery Communications, Inc. (Cougar)