Is Something Wrong?

MY BUDDY AND I DIVED SIX OUT OF SEVEN DAYS on my last dive trip. Our profile allowed an hour of dive time with two-tank dives …

Scuba diver exploring reef

Tren Maya

SOME OF THE WORLD’S MOST BEAUTIFUL FLOODED CAVES are underneath the jungle of Mexico’s Yucatán Peninsula. The peninsula began as a coral reef which sea-level fluctuations during various ice ages exposed to the atmosphere.

Dive Boat Safety

WHETHER YOU’VE BEEN DIVING from boats for years or you’re looking forward to your first liveaboard trip, it’s an excellent time to refresh your knowledge about staying safe on board and evaluating your dive operator’s safety preparedness.

dive boat safety

Deep Diving for Fish

LUIZ ROCHA, PH.D., HAS BEEN A MAN ON A FISH MISSION since he was a young boy exploring the waters in his small coastal hometown in Brazil. He investigated tidepools, had fish tanks when he was 5 years old, and was declared a future scientist by his third-grade teacher …

Rocha searches the reef for unknown fish species

When History Seemingly Repeats Itself

IN 1983-84, REEFS THROUGHOUT THE CARIBBEAN, FLORIDA, AND BERMUDA experienced one of the greatest mass mortalities of a marine species ever recorded when an unknown waterborne pathogen killed more than 98 percent of the Diadema sea urchin population.1 In February of this year, divers in St. Thomas noticed many of the Diadema were suddenly no […]

Diadema urchin

Diving the Clotilda

IN 1807 THE U.S. PASSED A LAW prohibiting the importation of human beings with the intent to enslave them. Acting on a bet 53 years later, a wealthy Alabama businessman named Timothy Meaher tried to import captives from Whydah, Dahomey (present-day Benin). He hired Captain William Foster to pull off the illicit deed. On July […]

See Shell App and the Illegal Tortoiseshell Trade

BEAUTIFUL NECKLACES, BRACELETS, EARRINGS, and other items with elaborate brown and amber patterns adorn the shelves of shops and tourist markets worldwide. They might seem like the perfect souvenirs of your latest dive trip. These items, often called tortoiseshell, may be made from the colorful plates, called scutes, covering the shells of hawksbill sea turtles […]

DAN Dispatch: DAN Research Update

AS DIVERS JUMP INTO ANOTHER BUSY DIVE SEASON, DAN Research is also gearing up to advance our understanding of dive science and medicine. Here is a quick introduction to two flagship studies and information on how you can contribute to diving research and safety. Bubbles forming in the body after a dive can cause decompression […]

Preserving History: Leslie Leaney

LESLIE LEANEY IS RENOWNED for his dive history research and preservation. He has done this work through organizations such as the Cayman Islands’ International Scuba Diving Hall of Fame (where he has been the executive director for nearly 20 years), the Commercial Diving Hall of Fame, the Academy of Underwater Arts and Sciences, the Santa […]

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