Dragon Road, Part 2

The handfish is a kind of evolutionary oddity that prefers to walk on its fins than swim. However, like so many other marine species, their species are in decline and their habitat is being stripped away.

An angry spotted handfish tropes through the sandy bottom

Are 6351-T6 Alloy Scuba Cylinders Safe to Use?

After the rupturing of two alloy scuba cylinders, many wonder if they are safe to use? While cracking was documented in these cylinders, a major issue with their use is lack of consistent training and regulation in the testers, inspectors and fill-station operators.

A Black man inspects a cylinder with a tiny rope light

Clipperton: A Plastic Paradise

A little dot in the Pacific, Clipperton is surrounded by coral reefs and encloses a stagnant lagoon. Despite looking like paradise, Clipperton is being invaded by plastic.

Several divers wrangle a discarded net with the goal of removing it from the ocean

Nature’s Best and Fastest Camouflage

Do you know which marine animal can camouflage the fastest and most effectively? (It can change in one fifth of a second!) Hint: It has eight long tentacles.

A reef squid uses stripes to blend in with surrounding corals

Alaska’s Prince William Sound

Why would you want to dive Alaska’s Prince William Sound? One major draw is the yearly migration of the region’s salmon sharks that feast on spawning pink salmon.

A diver is in the middle of a rush of moon jellyfish

Salmon Sharks

Why would you want to dive Alaska’s Prince William Sound? One major draw is the yearly migration of the region’s salmon sharks that feast on spawning pink salmon.

A happy salmon sharks swims the waters of Alaska

DAN Member Profile: Andy Casagrande

Andy Casagrande is an award-winning cinematographer and a DAN member. He’s also obsessed with sharks. Read his story.

Andy Casagrande films alligators in the Everglades.

Gateway to the Gulf Stream

Located in Miami, Fla., the Phillip and Patricia Frost Museum of Science boasts a magnificent aquarium where the goal is to get people interested in science and marine life.

A happy shark swims at an aquarium

Pink, With Purpose

When breast-cancer survivor Allison Vitsky Sallmon realized she shouldn’t have to choose between diving and participating in cancer fundraisers, she founded the nonprofit Dive into the Pink.

The New Pointy End of Diving

Freediving is redefining the limits of apneic divers and in the process raising new, unanswered questions about diving physiology.

Freediver swims near dolphins