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DAN Announces USCG Approval of Its First Aid Courses

The current version of DAN’s first aid and CPR courses, Version 3.0, was determined to meet or exceed the first aid and CPR training requirements for a merchant mariner credential.

Developed by dive medicine physicians and diving educators, DAN’s courses provide divers with the skills and confidence needed to respond in emergencies. All courses meet current ILCOR and AHA guidelines and are applicable to everyday life as well as diving.

Marguerita Hagan Portfolio

The Beautiful Woman Comes (Nefertiti), by Marguerita Hagan. Hand-built ceramic, 24K gold leaf, 15 x 9.5 x 10in, Michener Art Museum collection. Photo by Richard W. Gretzinger.
The Beautiful Woman Comes (Nefertiti), by Marguerita Hagan. Hand-built ceramic, 24K gold leaf, 15 x 9.5 x 10in, Michener Art Museum collection. Photo by Richard W. Gretzinger.

American artist and diver Marguerita Hagan, who is based in Philadelphia, creates exquisite and intricate ceramic sculptures inspired by marine life and microorganisms found in our oceans. X-Ray Mag interviewed the artist to learn more about her creative process, research, and perspectives on the underwater realm and the interconnected ecosystems of our planet.

Triptychs: Contributors' Picks

Great White Triptych, by Gary Rose. This photo was taken in Guadalupe Island, Mexico, and printed on white aluminum panels. Gear: Nikon D500 camera, Tokina 10-17mm lens at 17mm, Nauticam housing, Inon Z330 strobes. Exposure: ISO 320, f/11, 1/125s

We asked our contributors to create an underwater “triptych,” and they returned with an artistic range of color, black-and-white and toned compilations, from abstract close-ups to wide-angle shots, featuring a variety of marine life, large and small, as well as divers, on reefs and wrecks, and in open water, lakes, and even an aquarium.

SUPE D-Pro Strobe Review

The vibrant reefs of Steenbras Deep
The vibrant reefs of Steenbras Deep, Gordon’s Bay, South Africa. Gear: Canon R5 camera, Canon 8-15mm circular fisheye lens, Marelux housing, two SUPE D-Pro strobes. Settings: f/7.1, 1/125, ISO 500. Photo by Kate Jonker.

Want to know more about the SUPE D-Pro strobe from Scubalamp? Kate Jonker put it through its paces and offers insights from several photographers who have used this strobe in underwater photography.

Indonesia's East Nusa Tenggara: Liveaboard Safari to Komodo, Flores & Alor

Bobtail squid at Beangabang, Alor, Indonesia
Bobtail squid at Beangabang, Alor, Indonesia. Photo by Scott Bennett.

Located in the eastern half of Indonesia is the island chain of Nusa Tenggara where unique marine life can be found on brilliantly colourful reefs as well as sites with volcanic sands, great for muck diving and macro photography. Scott Bennett takes us on a liveaboard adventure to three of the islands: Alor, Flores and Komodo.

Cape Verde: Diving the Barlavento Islands

Moravia doctorfish, blackbar soldierfish and yellow cup coral in cave at Tres Grutas dive site
Moravia doctorfish, blackbar soldierfish and yellow cup coral in cave at Tres Grutas dive site

Located in the central Atlantic Ocean, off the westernmost point of Africa, Cape Verde is an island country made up of an archipelago of ten volcanic islands. Pierre Constant shares his adventure diving, hiking and trekking in the rugged northern group of isles called the Barlavento Islands.

Truk Lagoon: A "Wreck-reational" Diver's Paradise

Brilliant soft corals, damselfish, fusiliers and cardinalfish on the king post of the Sankisan Maru, near the surface
Brilliant soft corals, damselfish, fusiliers and cardinalfish on the king post of the Sankisan Maru, near the surface

Picturesque, remote tropical islands, a serene, protected atoll, endless warm water, colorful soft corals, encrusting sponges, schooling reef fish and the occasional spotted eagle ray, shark or other pelagic… What more could a diver ask for? How about over 60 shipwrecks, plane wrecks and even a submarine steeped in WWII history—95 percent of which are within recreational diving limits.

Baby hammerhead during development with a nascent hammerhead snout.
Baby hammerhead during development with a nascent hammerhead snout.

How hammerheads grow their hammers

In an unprecedented study, scientists from the University of Florida (UF) have delved into the development of hammerhead sharks' skulls, uncovering the process behind their iconic hammer-like shape at the embryonic stage.

Led by UF professor Gareth Fraser, the study focussed on bonnetheads, the smallest among the hammerhead shark species. The species’ abundance in the Gulf of Mexico and the Atlantic Ocean, along with their near-shore presence, made them ideal subjects for the study.

Photo shows a coral reef with a background of the sun's rays shining into the waters
The Coral Reef Initiative seeks to protect at least 125,000 square kilometres of shallow-water tropical coral reefs.

Coral Reef Breakthrough: an initiative to safeguard world's coral reefs

Coral reefs are essential for marine biodiversity and climate resilience, supporting at least a quarter of marine species and offering ecosystem services worth up to $9.9 trillion annually. More than a billion people, including vulnerable coastal communities, depend on them for their livelihoods.

Today, these vital ecosystems are under threat due to the climate crisis and human activities, and time is running out to protect them.

(Filephoto) River Dolphins in Rio Negro

Amazonian River Dolphins killed by Severe Drought

The Amazon River Basin, known for its rich biodiversity, has witnessed a tragic event. Over the past week, 120 river dolphin carcasses have been discovered floating in its tributaries. Experts suspect that the severe drought and extreme heat are the culprits behind this mass mortality.

Dolphin Discovery

The carcasses of these dolphins were discovered floating in a tributary of the Amazon River in Brazil. The Mamiraua Institute, a renowned research group, reported that two additional dolphins were found dead near Tefe Lake.