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rEvo Rebreather event held in wintry conditions at Stoney Cove

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Over the weekend of the 17th & 18th of March, the teams from rEvo Rebreathers and Mares gathered at Stoney Cove to show off their latest equipment, offering rEvo try dives and loaning out Mares dive and XR equipment to the divers who adventured out on what was a particularly wintry weekend. Even with a weather warning for extreme cold and heavy snow, divers turned up from around the UK.

Saturday started out beautifully sunny as the first group, who had signed up to try out the rebreather systems, headed into the classroom at Stoney Cove to hear about how the system works and the benefits over other rebreather models. Then it was time to gear up. The sky turned white and soon snow was falling, but just as quickly it shifted back to bright sunshine; clearly, the weather was going to be a feature of the day!

In the water, the temperature was 4 degrees and the visibility was somewhat less than ideal. This, however, did not seem to put-off the divers from experiencing the rEvo rebreather on a try dive. Some were experienced rebreather divers, others having a go for the first time, but once they had signed up, they were treated to 1:1 guidance from the professional instructor team that had traveled from Italy, Belgium and all over the UK.

The rEvo is a revolutionary rebreather system and we were amazed at just how compact and light the system is. Features that make it stand out from the crowd include:

  • Dual scrubber: the most efficient scrubber system on the market, dual redundant design, safer in use while using less sorb.
  • Lightweight / travel friendly: travel weight of around 15 kg, and a dive ready weight of 21kg makes the rEvo micro one of the most travel friendly units on the market.
  • Maintenance friendly: easy to set-up and maintain. Complete assembly and dive preparation including checklist in less than 5 min. The design prevents user assembly errors.
  • “True” redundant electronics: the different electronic system that monitor the ppO2 in the rebreather are redundant up to sensor level and therefore produces an inherently safe design.

In the evening Mares and rEvo hosted a dinner at Stoney Cove for journalists, instructors and dive shop owners to hear a presentation from Paul of rEvo about how the system works. Alas, the snow really picked up, and the group grew nervous at the thought of the drive out of Stoney involving driving up the winding hill. Watching the blizzard getting worse from the Nemo restaurant window, the decision was taken to head back to the hotel while we still could; a wise move.

Sunday saw the air temperature drop to a chilly -2 degrees, and as we pulled into the car park at Stoney Cove, a layer of snow had covered the cliff edges and walls around the quarry. Surely only the brave would be turning up on a day like this, but turn up they did, and the morning rEvo try dive session went ahead with seven of us braving the chilly water. For those with little experience in rebreather diving, the try dives were conducted in shallow water, staying at 5m, and touring around the Nautilus sculpture, spending around 30 minutes in the water (which was plenty given the temperatures!)

It was a very informative weekend for anyone interested in rebreather diving and it provided a great chance to try out the rEvo rebreather with 1:1 instruction. Mares, somewhat unsurprisingly, saw plenty of divers asking to try out their heated vests. I was lucky enough to be one of the divers trying these out and the difference it made to diving these wintry conditions was incredible. We did three dives over the weekend and never once got cold; no ice-cream headache and our hands were fine throughout the dives too.


For more information about rEvo Rebreathers visit their website: www.revo-rebreathers.com.

For more information about Mares visit their website: www.mares.com.

Nick and Caroline (Frogfish Photography) are a married couple of conservation driven underwater photo-journalists and authors. Both have honours degrees from Manchester University, in Environmental Biology and Biology respectively, with Nick being a Fellow of the Royal Photographic Society, a former high school science teacher with a DipEd in Teaching Studies. Caroline has an MSc in Animal Behaviour specializing in Caribbean Ecology. They are multiple award-winning photographers and along with 4 published books, feature regularly in the diving, wildlife and international press They are the Underwater Photography and Deputy Editors at Scubaverse and Dive Travel Adventures. Winners of the Caribbean Tourism Organization Photo-journalist of the Year for a feature on Shark Diving in The Bahamas, and they have been placed in every year they have entered. Nick and Caroline regularly use their free time to visit schools, both in the UK and on their travels, to discuss the important issues of marine conservation, sharks and plastic pollution. They are ambassadors for Sharks4Kids and founders of SeaStraw. They are Dive Ambassadors for The Islands of The Bahamas and are supported by Mares, Paralenz, Nauticam and Olympus. To find out more visit www.frogfishphotography.com

Marine Life & Conservation Blogs

Book Review: Plankton

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Plankton: A Worldwide Guide by Tom Jackson and Jennifer Parker

This is a book that jumps off the shelf at you. The striking front cover demands that you pick it up and delve further, even if you may not have known you wanted to learn more about the most diminutive life in our ocean, plankton!

Small it might be. Much of the imagery in the book has been taken under huge magnification. Revealing stunning beauty and diversity in each scoop of “soup”. There is lots to learn. Initial chapters include interesting facts about the different vertical zones they inhabit, from sunlight to midnight (the darkest and deepest areas). I loved finding out more about the stunning show that divers oft encounter on night dives – bioluminescence.

The black water images are wonderful. So this is a book you can have as a coffee table book to dip in and our of. But, these tiny organisms are also vital to our very survival and that of all the marine life we love. They provide half the oxygen produced on our planet. They are also responsible for regulating the planets climate. And for a shark lover like me – they are food for charismatic sharks and rays like the Basking Shark and Manta Ray, along with a huge number of other species. This book contains great insight into their biology, life cycles, migration, and how the changes in currents and sea temperatures affects them.

This is a book that is both beautiful and packed with information about possibly the most important group of organisms on our planet. Anyone interested in the ocean should have it one their shelves.

What the publisher says:

Plankton are the unsung heroes of planet Earth. Passive drifters through the world’s seas, oceans, and freshwater environments, most are invisible or very small, but some are longer than a whale. They are the global ocean’s foundation food, supporting almost all oceanic life, and they are also vitally important for land-based plants, animals, and other organisms. Plankton provides an incomparable look at these remarkable creatures, opening a window on the elegance and grace of microscopic marine life.

This engaging book reveals the amazing diversity of plankton, how they belong to a wide range of living groups, and how their ecology, lifestyles, and adaptations have evolved to suit an enormous range of conditions. It looks at plankton life cycles, the different ways plankton feed and grow, and the vast range of strategies they use for reproduction. It tracks where, how, and why plankton drift through the water; shares perspectives on migrations and population explosions or “blooms” and why they happen; and discusses the life-sustaining role of plankton in numerous intertwined food webs throughout the world.

Beautifully illustrated, Plankton sheds critical light on how global warming, pollution, diminishing resources, and overexploitation will adversely impact planktonic life, and how these effects will reverberate to every corner of our planet.

About the Authors:

Tom Jackson is a science writer whose many popular books include Strange Animals and Genetics in MinutesJennifer Parker is a zoology and conservation writer and the author of several books. Andrew Hirst is a leading expert on plankton whose research has taken him around the world, from the Antarctic to Greenland and the Great Barrier Reef.

Book Details

Publisher: Princeton University Press

Hardcover

Price: £25

ISBN: 9780691255996

Published: 9th April, 2024

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Marine Life & Conservation

Dive with a Purpose: Shark Guardian’s Expedition Galapagos

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Shark Guardian has just unveiled their largest and most exciting expedition yet: a seven-night, eight-day adventure in August 2026 aboard the Galaxy Diver II, a state-of-the-art
vessel specifically designed for divers exploring the enchanting waters of the Galapagos
Islands. This is a once in a lifetime opportunity to engage deeply with marine
conservation in one of the world’s most revered diving destinations.

Shark Guardian is a UK registered charity dedicated to protecting sharks and marine
ecosystems worldwide. Founded by marine biologists and conservationists, Brendon
Sing and Liz Ward-Sing, Shark Guardian leads educational programs, research projects,
campaigns and expeditions aimed at fostering a better understanding and respect for
marine life. Their work spans several continents and focuses on direct action,
education, and advocacy.

Shark Guardian’s ethos revolves around the concept of “diving with a purpose.” This
philosophy underscores the importance of not just experiencing the wonders of the
underwater world but actively learning and contributing to its preservation. Participants
in Shark Guardian expeditions engage in citizen science projects, which involve
collecting data that supports ongoing research and conservation efforts. These
activities empower divers to make a tangible difference, turning each dive into an act of
conservation.

One of the newer additions to the Galapagos diving scene, the Galaxy Diver II, is
specifically tailored for divers. Its design prioritises comfort, safety, and environmental
responsibility. The vessel boasts modern amenities, spacious dive decks, and the latest
navigational technology, ensuring that every dive is not only memorable but also has
minimal environmental impact.

A highlight of this expedition is the opportunity to dive at Wolf and Darwin islands,
renowned for their vibrant, untouched marine ecosystems and as a haven for large
pelagic species. These islands are famous for their schools of hammerhead sharks,
whale sharks, and manta rays, offering spectacular diving that attracts enthusiasts from
around the globe.

Shark Guardian have developed this trip to ensure a hassle-free experience. The
expedition package also includes internal flights from Quito, Ecuador, to the Galapagos,
plus accommodation in Quito before and after the trip. This allows divers to relax and
enjoy the experience without worrying about logistics.

Participants will join a diverse group of passionate divers and conservationists. This trip
offers a unique opportunity to network with like-minded individuals who are eager to
learn about and contribute to marine conservation. It’s a chance to share experiences,
knowledge, and a commitment to protecting the marine world.

sharks

Shark Guardian is offering an early bird price available until May 31st 2024. This special
rate provides a fantastic opportunity to secure a spot on this exclusive expedition at a
reduced cost. Availability is limited, so interested divers are encouraged to act quickly
to ensure they don’t miss out. All the details can be found on their WeTravel page, where
bookings can be made easily and payment instalments are available.

Expedition Galapagos, aboard the Galaxy Diver II offers more than just a diving
holiday—it is an investment in both personal and planetary well-being. By participating,
divers not only witness the majesty of one of the world’s premier diving locales but also
contribute to its preservation for future generations.

Find out more about Shark Guardian at www.sharkguardian.org.

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Experience the Red Sea in May with Bella Eriny Liveaboard! As the weather warms up, there’s no better time to dive into the crystal clear waters of the Red Sea. Join us on Bella Eriny, your premier choice for Red Sea liveaboards, this May for an unforgettable underwater adventure. Explore vibrant marine life and stunning coral reefs Enjoy comfortable accommodation in our spacious cabins Savor delicious meals prepared by our onboard chef Benefit from the expertise of our professional dive guides Visit our website for more information and to secure your spot: www.scubatravel.com/BellaEriny or call 01483 411590 More Less

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