Diving with Dinosaurs

Considered critically endangered, smalltooth sawfish are under pressure from anglers who would take their rostrums as souvenirs and from the shark-fin trade. Many divers can go their whole lives without seeing one.

Three sawfish hang out at the bottom of the ocean

Saturation Diving

What is saturation diving? When the diver breathes in inert gas, it dissolves into the body’s tissues and reaches equilibrium with the ambient pressure at the diver’s depth.

A diving bell can be locked out from a saturation chamber and lowered to the seafloor. A moon pool on the underside allows divers to exit and enter the diving bell.

Member to Member: Sunscreen and Coral

Sunscreen pollution is a serious threat to the world’s coral reefs causing fast degradation. But, divers can combat the effects of this pollution with simple steps.

Dead tissue is shown on a brain coral. The coral looks green-yellow in color

So Others May Live

Can your training prepare you for absolute worst conditions? One writer took the challenge to find out what it was like being a rescue swimmer.

A member of the US Coast Guard swims toward a potential victim

On the Hunt

Secret Bay, located in Anilao, Philippines, is home to many sea critters you have never seen before. Learn more about diving in this unique and fanciful location.

Anthias fish feed around plants

French Polynesia’s Tuamotus

The Tuamotu Islands are an archipelago located in French Polynesia and offers vibrant underwater scenes — including great shark experiences.

A school of adorable, yellow raccoon butterfly fish

Diving the World Heritage List

The World Heritage List recognizes outstanding places that offer value to mankind. Sites can be cultural, natural or a mixture of both. These sites are sources of inspiration and sources of life.

A giant grouper pokes its head out of some coral

Ocean Views 2017

As part of the 2017 Nature’s Best Photography Windland Smith Rice International Awards annual competition, the Ocean Views category honors those photographers whose skill and creative vision have captured a frozen moment in time that can bring attention to both the bounty and fragility of the marine ecosystems found in and near our underwater world.

A group of king penguins go for a walk at sunset

The Most Important Fish in the Sea

Menhaden, also known as bunker, are forage fish that play a critical role in the ocean food web. They are a vital source of food for wildlife up and down North America’s Atlantic seaboard. But their population management ignores the importance of the food web. Learn more and what you can do.

Four fishermen grasping net of menhaden