What are the pros and cons of using a wing BCD system compared to a jacket-style BCD? Simon Pridmore and one of his readers share their views, experience and insights to help you decide which one is best for you.
The Turquoise Coast of Turkey is home to rugged reefs, wrecks and ancient underwater treasures. In his journey along this fabled riviera, Farhat Jah visits the delightful town of Kaş.
Underwater photographer Patrick Kranenbroek takes us on a tour of the underwater world at the Dutch National Park Oosterschelde, located in the province of Zeeland. Here, divers can find a variety of marine species, from nudibranchs and seahorses to cuttlefish, lobsters and lumpsuckers.
Only two hours from downtown Tokyo lies one of Japan’s most exciting dive sites: Osezaki, in Shizuoka Prefecture. Kenji Ichimura has the story.
The autonomous Portuguese islands of the Azores, located in the mid-Atlantic, are a place of volcanoes and currents and a sea full of flying fish and mobula rays. Silke Schimpf shares a diary of her dive trip to the southernmost island of Santa Maria.
Ethologist Ila France Porcher spent seven years observing wild sharks in French Polynesia and Florida, uncovering astonishing insights into their emotional lives, intelligence and social dynamics. Her groundbreaking work challenges long-held assumptions, revealing sharks not as mindless predators, but as sentient, complex beings capable of memory, attachment and even moral judgment.
We asked our contributors to share their favorite underwater images that showcase subjects on their bucket lists, including specific critters, wrecks or compositions, and they came back with an intriguing selection of macro to wide-angle shots featuring a range of subjects, from unique species to carefully composed cave and wreck shots, awaiting just the right moment.
If there is a special critter on your bucket list that you have always wanted to photograph, some knowledge about its habitat, eating habits and behaviour may help you find it and capture better shots. Lawson Wood offers some pointers.
Since its inception, the Malaysia International Dive Expo (MIDE) has attracted over 300,000 visitors globally, establishing itself as the nation’s foremost platform for diving, underwater tourism and marine conservation.
The fifth edition of the one-of-a-kind event continues to evolve and grow, while staying true to its unique format and vision.
Some researchers urge caution in declaring global reef collapse and highlight evidence of resilience.
The International Scuba Diving Hall of Fame has announced that Amos Nachoum, an award-winning wildlife and underwater photographer, expedition leader and explorer, will be inducted into its 2026 class of honorees.
New research reveals how aeolid nudibranchs neutralise and repurpose nematocysts from scyphozoan polyps.
Colombia retrieves initial items from the “Holy Grail of shipwrecks,” offering new insight into an 18th-century maritime tragedy.
The 49th DEMA Show was held in Orlando from 11-14 November, amid geopolitical tensions and uncertainty about international attendance. Yet, in the end, footfall increased over last year, and, as a pleasant surprise, a great deal of new equipment was presented.
New study reveals long-term fall in elasmobranch biodiversity, underscoring urgent conservation challenges.
Nova Scotia has approved Canada’s first seaside whale sanctuary, a milestone in marine animal welfare. Located in Port Hilford Bay, the sanctuary will serve as a permanent, natural refuge for beluga whales rescued from captivity.
The International Scuba Diving Hall of Fame (ISDHF), headquartered in the Cayman Islands, has announced that Malaysian diving pioneer Syed Abd Rahman will be inducted into its 2026 class of honorees.
Divers confirm the wreck of Royal Navy armed merchant cruiser HMS Bayano in the North Channel, between Scotland and Northern Ireland, lost with 198 men in 1915
Rare sighting challenges bleak projections and underscores urgent need for protection.
A new study led by the Greenland Institute of Natural Resources and the University of Copenhagen reveals that Skagerrak, a sea area between Denmark, Norway and Sweden, likely serves as a nursery for young Greenland sharks.
Far below the surface of the world’s oceans lie thousands of underwater mountains known as seamounts. Rising from the seafloor like drowned volcanoes, they can reach thousands of metres in height—taller than many mountains on land—yet their summits never break the surface.
On warm tropical nights, when the sea is calm and the moonlight shimmers across the reef, something extraordinary happens. Corals, those seemingly motionless colonies of tiny polyps, awaken in perfect unison. All at once, they release clouds of eggs and sperm into the water, turning the sea into a pink, drifting snowstorm of life.
Imagine sailing on a dark night when, suddenly, the ocean around you begins to glow. Not just a sparkle here or there, like the familiar flicker of bioluminescent plankton near shore, but a vast, steady light stretching as far as the eye can see. Mariners have described these “milky seas” for centuries, but only recently have scientists begun to understand what causes them.
Experts recommend extended safe times at PO₂ 1.3 bar.