News
Moon, compass, blue and lion’s mane – it’s a blooming good time for jellyfish
Beach users urged to report jellyfish finds on UK beaches
The Marine Conservation Society (MCS), the UK’s leading marine charity, says the number of jellyfish blooms – when jellies mass together – in UK coastal waters is on the increase as our seas start to warm up.
Every summer hundreds of reports of jellyfish sightings are made to the MCS National Jellyfish Survey – now in its 14th year. The survey is providing valuable information about where and when jellyfish occur in UK seas amid global reports of a rise in jellyfish numbers.
Up until July, it’s been a relatively quiet year for jellyfish reports, unlike the last two years when record numbers of barrel jellyfish were reported around UK seas through the spring and summer.
Dr Peter Richardson, Head of Biodiversity and Fisheries at the Marine Conservation Society, said: “There’s evidence that jellyfish numbers are increasing in some parts of the world, including UK seas. Some scientists argue that jellyfish numbers increase and then decrease normally every 20 years or so; however, others believe and these increases are linked to factors such as pollution, over-fishing and possibly climate change. The MCS jellyfish survey helps provide some of the information we need to understand more about these ancient creatures.”
Although the charity has received reports of barrel jellyfish sightings, the number of blue and moon jellies are starting to pick up as the waters around the UK warm up, with mass strandings of both species in South West England and Wales.
Lion’s mane jellyfish – which have a powerful sting – have also been reported from beaches in Scotland and around the Irish Sea. MCS says that anyone who comes across a jellyfish at sea or on the beach should look but don’t touch, but report their sightings at www.mcsuk.org.
Jellies to look out for in UK waters:
Moon (Aurelia aurita)
Most widespread species, occurring all around the UK coast from May.
Blue (Cyanea lamarkii)
Less common than the moon but can turn up anywhere.
Barrel (Rhizostoma octopus)
Can grow up to 1 metre in diameter and weigh up to 40kgs, totally harmless despite its size and is largely limited to the Irish Sea and adjacent waters to the north. Can be spotted all year round, even in winter, but blooms tend to start in March.
Lion’s mane (Cyanea capillata)
Has the most powerful and painful sting of the UK species. It blooms during the summer but is rarely seen south of the Irish Sea (west coast), or south of Northumberland (east coast), with most reports coming from Scottish waters.
Compass (Chrysaora hysoscella)
Has bizarre compass-like markings and is found throughout the UK coast.
Mauve stingers (Pelagia noctiluca)
Occasionally recorded from the southwest in early spring, but large numbers were reported off Britain’s west coast during November 2007, 2008 & 2009.
Portuguese Man-of-War (Physalia physalia)
Rare in UK waters but MCS received many reports from beaches in south-west England in the summers of 2007, 2008 and 2009.
“We still know relatively little about jellyfish and what drives changes in their numbers, so reporting even a single one can help. One thing we do know is that Leatherback turtles travel to UK waters to feed on jellyfish and are usually recorded along the west coast of the UK between May and October – this year we’ve already heard of sightings from the south west of England and the Irish Sea.” Says Dr Richardson.
Who We Are
BTM Travel is a boutique dive travel agency based in Munich, Germany, led by a passionate team of seasoned diving professionals.
- Marcel Wilpernig, our founder, has explored nearly every corner of the underwater world and brings over a decade of experience in the diving industry.
- Tim De Deygere, our product manager, made the bold leap from a successful law career to follow his true passion—diving.
- Simona Hlavova is the backbone of BTM Travel, ensuring smooth operations with her expertise in administration and sales.
While a significant portion of our clientele comes from Germany, our reach extends globally—from Bangladesh to California. BTM Travel is closely connected to Behind the Mask, an underwater videography network that inspires us to bring divers to the world’s most breathtaking ocean destinations.
What We Do
BTM Travel specializes in group diving adventures and tailored big animal experiences:
- Group Travel: We organize intimate trips to premier dive spots, led by expert photographers or wildlife guides for an unforgettable adventure. The vibe? Laid-back and adrenaline-filled.
- Tailor-Made Trips: For seasoned divers, we craft bespoke itineraries, offering insider tips on where to go, when to go, and what to expect. Our expertise ensures realistic expectations and unforgettable experiences.
Our focus lies on big animal diving, delivering the thrill of encounters with marine giants. While we love macro and reef diving, we know our true strength lies in providing high-octane experiences for adventurers.
What Makes Us Different
We take a fresh look at traditional diving industry practices, challenging outdated habits to better serve modern-day customers.
- Authenticity First: We only recommend destinations we trust, avoiding overselling places that don’t offer great value or quality.
- Heartfelt Advice: Our honest approach resonates with clients, building lasting relationships and unforgettable journeys.
Our Mission
Helping divers explore the places we love is not just our job—it’s our passion. Our goal is to remain small, authentic, and dedicated to delivering exceptional dive travel experiences.
Find Out More
For more information about itineraries, destinations, and bespoke dive adventures, contact BTM Travel:
Email: info@behind-the-mask.com
Call: +49 (0) 176 55771225
Website: www.behind-the-mask.com
News
Dive into Adventure: Limited Space Available for January Socorro Liveaboard Trip with Oyster Diving
Socorro Giant Mantas, Sharks and Dolphins – 8-16th January 2025
Oyster Diving is offering an unforgettable opportunity to experience one of the world’s most extraordinary dive destinations – Socorro Island. With only one male space left for this January’s liveaboard adventure, divers are invited to join an exclusive trip to explore the waters of Socorro, renowned for its remarkable marine life and incredible dive experiences.
Unmatched Diving in Socorro
Socorro is home to a unique population of giant oceanic mantas that actively seek interaction with divers and snorkelers, making it one of the best places in the world to encounter these majestic creatures. But the adventure doesn’t stop there – the waters surrounding Socorro are also teeming with marine life, including schooling hammerheads and silky sharks, over 10 other species of sharks, playful bottlenose dolphins that love to interact with divers, large schools of pelagic fish, and, during the season, humpback whales.
Luxury Aboard the Nautilus Belle Amie
Diving in such an extraordinary location is made even more special by the Nautilus Belle Amie. Launched in 2015, this modern, spacious liveaboard yacht is designed with divers in mind, ensuring comfort and luxury throughout the trip. The boat offers various suite options, including twin rooms and superior double suites, all with the ambiance of a boutique hotel. Divers will spend 8 days aboard the Belle Amie, with all meals, guided dives, and soft drinks included.
Pricing and Availability
This exclusive Socorro liveaboard trip is available for the following prices:
- Twin Room (2 people sharing a Stateroom): £3360 per person
- Superior Double Suite (2 people sharing): £3860 per person
Both prices include Socorro Island fees. A port fee of $35 is payable upon arrival.
Additional Costs:
- Return economy flights: Approx. £1,000 – £1,300 per person (prices confirmed prior to booking)
- One night hotel B&B accommodation before the liveaboard: Approx. £100 per person
Book Now
With only one spot left, this opportunity to explore Socorro’s spectacular underwater world is sure to fill up fast. Interested divers are encouraged to get in touch with Oyster Diving Holidays to secure their place today.
For more information and bookings, please contact:
Oyster Diving Holidays
Phone: 0800 699 0243
Email: info@oysterdiving.com
Don’t miss your chance to dive with mantas, sharks, dolphins, and humpbacks in one of the world’s most pristine marine environments!
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