How do deep-diving cetaceans avoid DCS? Whales and dolphins have a special adaptation that allow them to explore the ocean's depths.

Learn more about these slimy fish with eight interesting facts about the moray eel.

Test your marine life identification skills with this species-ID quiz for scuba divers.

Learn how to identify the boulder brain coral, or *Colpophyllia Natans*, underwater with these ID tips.

With the threat of coral bleaching, crown-of-thorns starfish and climate change, the Great Barrier Reef needs help and Australians are answering the call.

Think you know sharks? This divers guide to sharks includes species like hammerheads, great white, whale sharks and other apex predators from across the globe.

A pod of orcas, or killer whales, delighted freedivers off the coast of Cabo San Lucas, Mexico. The divers snapped some amazing photos and video of the rare encounter.

The Florida Fish and Wildlife Conservation Commission, FWC, upheld a ban on fishing the endangered goliath grouper, rejecting a limited harvest of the fish.

Scuba divers should respect these sometimes aggressive marine creatures that can sting, bite or snap if provoked.