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Kirin with a Chinese sea krait, Nippulu Max
Asia

Safe in snaky seas: Diving Okinawa  

PIERRE CONSTANT teams up with an instructor he introduced decades ago not only to diving but to swimming, and together they explore Japan’s volcanic Ryukyu

Ancient skull of horned crocodile, Gargantua
Africa

Diving bone-caves under the Mikea forest

Exploring the mysterious Mikea caves in southern Madagascar became almost an annual ritual for PIERRE CONSTANT over more than a decade, and he learnt much

View from the sea - is it time for dive professional to make their presence felt?
Scuba Diving

When will scuba make it aboard the superyachts?

The recreational diving industry could be missing a big trick, as spectacular superyachts repeatedly put to sea but without its professionals onboard. Is a growing

Pygmy seahorse (Hippocampus bargibantii) at Cherie’s Reef
Australia & Oceania

Mucky joys of diving Milne Bay

PIERRE CONSTANT explores the array of underwater wonders accessible to divers from Papua New Guinea’s renowned Tawali Resort – and it isn’t only critter diving

Weedy corals colonise a dead reef structure in the Turks & Caicos Islands (Lauren T Toth, CC BY-NC-ND)
World Dives

Caribbean coral reefs are running out of time

These reefs can’t keep up with rising seas – that’s the finding of a new study by CHRIS PERRY of the University of Exeter, CHRISTOPHER CORNWALL

Tiger shark with Raffaella
Africa

Eye of the tiger: Diving KwaZulu-Natal

PIERRE CONSTANT goes on a tiger shark hunt in South Africa, though for a while it looks as if the elements will refuse to play

The Rebreather Training Council’s pre-jump checklist - it has a pre-dive checklist too (RTC)
Technique

Why do so many CCR divers ignore checklists?

A new book from scuba-diving expert SIMON PRIDMORE is always an event, and the second volume of Technically Speaking, subtitled Foundations And Strategies, should be

Simpson with Japanese gas mask goggles, Ruar Cave
Asia

Diving into Biak’s hidden world of caves

Way off the beaten track, as he often tends to be, diver-explorer PIERRE CONSTANT seeks out cave-sites on a West Papua island where Japanese forces

A diver explores the twin shafts of the Cristobal Colon
World Dives

Diving the Bermuda (Triangle) shipwrecks

Some believe that what they call the wreck capital of the Atlantic emerged as the result of the presence of UFOs and/or the lost city

Divers on the Japanese Zero
Australia & Oceania

Bound to dive the Vitu Islands

PIERRE CONSTANT visits a volcanic island chain in Papua New Guinea on the long-established liveaboard FeBrina for some extremely unspoilt diving. He took the photographs

Clownfish that shrank during heatwaves were more likely to survive them (Morgan Bennett-Smith)
World Dives

Clownfish shrink during marine heatwaves

These anemonefish don’t just slim down to cope – they get shorter, say THERESA RUGER, CHANCEY MacDONALD and MELUSSA VERSTEEG of Newcastle University, who have

Ever-ready to shoot
Scuba Diving

GoPros everywhere I go

EKREM PARMAKSIZ is an underwater photographer specialising in sharks, but where he once relished the peace of the world beneath the waves, he is concerned

Cameras & Accessories

­Nikon Z6III underwater review

This camera is a versatile hybrid for underwater photographers and videographers – and a return to form for Nikon, reports NIRUMPAM NIGAM, editor-in-chief of Underwater

New Zealand fur sea-lion (Arctocephalus forsteri), Kaikoura, South Is
World Dives

Fur seals? There’s no such thing!

PIERRE CONSTANT gets bugged by people who persist in believing that fur seals are, in any sense, seals. Please let him set the record straight,

Canon EOS R5 Mk II (Nirupam Nigam)
Cameras & Accessories

Canon EOS R5 Mk II camera review

This unit has brought substantial upgrades to Canon’s flagship model, says NIRUPAM NIGAM, who has been putting it through its paces under water and took

Peter McCamley photographing the telemotor and stern telegraph (Vic Verlinden)
General Wrecks

The shock of the Lusitania

It’s quite a while since Thailand-based technical wreck diver and Divernet correspondent TIM LAWRENCE did any coldwater diving, but how could he resist the opportunity

Sea hare (Steven Leroch)
Europe

Ustica: Sicily’s diving jewel

PENELOPE GRANYCOME knew Sicily but had never sampled its scuba-diving – a trip to the small island off its north coast gave her the opportunity

Snorkeller on a coral reef (Dirk2112)
Scuba Diving

Sunscreens can hurt the marine environment

So here’s how to choose sun protection that’s healthy for you and the sea, says ANNELIESE HODGE of Plymouth Marine Laboratory Choosing which sunscreen to use

Isabel Key spent time snorkelling to monitor seagrass meadows on the Isle of Skye, among other locations on the west coast of Scotland (Isabel Key, CC BY-ND)
World Dives

‘I’ve been listening to seagrass meadows’

ISABEL KEY of the University of Edinburgh listens in to seagrass to understand how its underwater soundscapes reflect biodiversity The rugged west coast of Scotland

Dive instructors aboard Kyalami Too offer advice, help and teach students about reef ecology
North & Central America

Corals happier in the Gulf Stream

We’ll take even mildly encouraging environmental news wherever we can find it these days, and that is what diver and marine biologist JOHN CHRISTOPHER FINE

Thresher shark in Malapascua
Asia

Tall tails of Malapascua

Divers prize encounters with thresher sharks, and Malapascua can usually be relied on to provide them but, as MICHEL BRAUNSTEIN discovers, a shark dive before

Nose of the Corsair F4U wreck
Australia & Oceania

Vanuatu beyond the Coolidge

There is more to the Pacific islands of Vanuatu than the iconic wreck of the President Coolidge, says French diver PIERRE CONSTANT, after discovering as

A lonely deadeye
United Kingdom

River Leven: The barque off Dungeness

In the latest book by STEFAN PANIS, Shipwrecks Of The Dover Straits, the underwater photographer and wreck-hunter guides us through 18 Channel shipwreck dives that

Richard Thompson realised that mechanical degradation of large, visible plastics fragments resulted in microplastics accumulating in the environment (University of Plymouth, CC BY-ND)
World Dives

‘Everywhere we looked, we found evidence’

The godfather of microplastics, RICHARD THOMPSON of the University of Plymouth, on 20 years of pollution research and the fight for global action Thirty years ago,

Hawksbill turtle at the First Entrance dive-site
Middle East

Dive-trip: Musandam to Muscat

Join PIERRE CONSTANT as he explores the reefs and wrecks of underwater Oman during a recent tour with his camera of the northern parts of

World Dives

How do shifting O2 levels affect marine life?

From the coast to the deep sea, changing oxygen levels affect life in a variety of ways, as marine biologist MARCO FUSI from Newcastle University explains

The characteristic hammer-shaped head is just becoming visible in this image of an embryonic bonnethead shark. The scale bar = 1 cm (Steven Byrum & Gareth Fraser / Department of Biology, University of Florida)
Marine Biology

Rare access: Hammerhead shark embryos

What have until now been the secrets of these sharks’ unique head development are revealed by GARETH J FRASER and his team at the University of

Hawksbill turtle on a coral reef - but they are going much deeper to feed (Jeanne A Mortimer)
Marine Biology

Tracking tropical turtles – deep down

Following them to the seabed in the Indian Ocean has revealed surprising feeding habits, says marine biologist NICOLE ESTEBAN of Swansea University Hawksbill turtles are critically

Scuba News

Ocean Lovers Festival Returns to Bondi

Annual Ocean Lovers Festival Returns to Bondi to Celebrate Ocean Treasure Can seaweed save humanity? What’s next if no shark nets? Are whales talking to

Thousands of visitors swim at the sandbar to take part in the Stingray City experience, smearing on sun-tan oil before jumping in. Most commercial sunscreens are toxic to corals
North & Central America

Cayman coral problems in black & white

Marine biologist JOHN CHRISTOPHER FINE swaps Florida for an extended stay in the Cayman Islands – and is disturbed by what he finds while diving

Scuba News

L’Oréal and the Great Barrier Reef Foundation

L’Oréal and the Great Barrier Reef Foundation kickstart global coral reef restoration industry The world’s leading beauty company L’Oréal is joining forces with the Great

Diver portrait from the DJI Osmo Action 4 set to Normal colour and Wide lens
Cameras & Accessories

Is DJI action-cam really ‘better in low light’?

Initial excitement soon turns to disappointment when MIKE WARD diver-tests the DJI Osmo Action 4 in an overcast Yorkshire lake Chinese manufacturer DJI claims that its

Salty Careers Platform Mockup
Scuba News

Salty Careers Launches Groundbreaking Platform

Salty Careers Launches Groundbreaking Platform to Digitise the Diving Industry Salty Careers has officially launched a beta version of its platform, a cutting-edge tech startup

MAD ECO
Scuba News

Raja Ampat Eco Dive Resort

Meridian Adventure Dive in Raja Ampat is now Offical a PADI Eco Dive Centre In the spirit of PADI AWARE WEEK 2023. Meridian Adventure Dive

Scuba News

Sabah to Host Adex Ocean Partnership Summit 2023

SABAH TO HOST ADEX OCEAN PARTNERSHIP SUMMIT 2023, 18 – 20 August, Sabah International Convention Centre (SICC) Organised in partnership with the Sabah Tourism Board,