This lightweight folding knife features a blade crafted from ultra-corrosion-resistant H-2 steel, stout back lock mechanism, and Bi-Directional-Textured™ high-visibility nylon handle with four-position pocket clip.
Hear the word "Bimini", and most divers think of the giant hammerhead sharks that have become seasonal regulars December to April. But this big-animal experience should not eclipse all that this Bahamian island offers.
Clear waters, abundant marine life and diverse underwater topography, ranging from coral reefs to dramatic granite formations and shipwrecks. SEE MORE…
Letters
Health and Safety Executive Scuba Qualification
Hello. I need my HSE scuba certificate for film and Tv work. Is there anywhere abroad I can go to do it? Thanks Harlon Haveland
Hi Harlon, Interesting question but sorry, there are none that we know of. If any readers know of any please let us know.
9 Last Minute & Early-Bird Liveaboard Deals - Save up to 30%
Carpe Novo, Maldives, different routes, SAVE UP TO 30% on trips from 14 May to 30 September 2023 (7 and 10 nights), Price from USD 1,736 per trip per person, *Discounts are not combinable with any other discounted offers including Repeater Discount, *Confirmed bookings cannot be adjusted or rebooked, *Offer only valid for new bookings
Palau Siren, Palau, Palau Islands, SAVE 30%, Price from USD 2,376 per trip per person *Promotion applies to new bookings only* Promotion applicable to bookings made in the month of May 2023 *Repeater discounts can be applied, other existing discounts cannot *Departures may be added or removed at any point from the promotion
Amira, Indonesia, Komodo & Alor,, SAVE 20%, Amira, Indonesia, Komodo & Alor, SAVE UP TO 20% for 7 and 11-night trips from 24 June to 12 September 2023
The Captivating Grey Seal: A Fascinating Marine Mammal
The grey seal (Halichoerus grypus) is the second largest seal in the world, second only to the elephant seal. It lives in the northern Atlantic, with half of the world's population living around the British Isles.
Grey Seal in the Farne Islands. Rudmer Zwerver/DepositPhotos
For hundreds of years the seals were absent or in very low numbers in the North Sea, mainly due hunting. Since the 70s though, when protection for the seals started to be put in place, they have flourished.
Grey seals spend more than 80% of their time at sea and 90% of that below the surface. They are curious and will approach divers, especially the younger seals.
Grey Seal watching a diver in the Isle of Man. Tim Nicholson
The seals return to the same shore to haul out. They don't stay close to that area though, they can travel over 100 km between their haul-out and foraging sites. These feeding trips last as much as 30 days, and they can cover the 100 km in just one day.
Grey Seal hauled out. Alan De Witt
Like most marine mammals, grey seals communicate using calls and whistles, but these seals also clap to warn off competitors and advertise to potential mates.
Amazingly, grey seals can dive to 477 metres. However, they mostly don't go much below 100 m, searching for food.
Grey Seal keeping an eye on the photographer, Tim Nicholson.
Female grey seals have been recorded living to 42 years in the wild. Males are thought to live less long, to a maximum of 31 years.
The grey seal is so called because of its coat, which is various shades of grey. The pups though are born white. Female pregancies last 11 months, and they then look after the pup until around three weeks later when it is weaned.
Harnessing the sun to make Red Sea liveaboards more sustainable Liveaboards are one of the best ways for divers to experience the Red Sea. Their diesel generators though contribute to climate change and air pollution. That's why one liveaboard operator is to use solar panels.
Titanic: First ever full-sized scans reveal wreck as never seen before The first full-sized digital scan of the Titanic, which lies 3,800m (12,500ft) down in the Atlantic, has been created using deep-sea mapping. It provides a unique 3D view of the entire ship, enabling it to be seen as if the water has been drained away.
Why The Ocean Cleanup might not be a good thing The Ocean Cleanup's aim is to remove plastic from the ocean surface by collecting it with large nets. However, this approach also kills the surface marine life, like the beautiful Blue Sea Button Jellyfish.
SCUBA News is licensed under a Creative Commons Attribution 4.0 Unported License. This means we are happy for you to reuse our material for both commercial and non-commercial use as long as you: credit the name of the author, link back to the SCUBA Travel website and say if you have made any changes. Most photos though, are copyright the photographer. Please get in touch for details.
Photo credits: Alan De Witt, Rudmer Zwerver, Howard Chew/DepositPhotos, Denis Riek, The Global Ocean Surface Ecosystem Alliance (GO-SEA) Field Guide (CC-BY 4.0), Tim Nicholson, Jill Studholme
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