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Researchers in Maldives obtain first ever underwater ultrasound scans of wild reef manta rays
A team of international researchers working with Six Senses Laamu in Maldives has obtained the first ever underwater ultrasound scans of wild reef manta rays.
The team of researchers from the University of Cambridge and the Manta Trust worked together with the Maldives Underwater Initiative (MUI) at Six Senses Laamu resort in the unexplored Laamu atoll to successfully scan a pregnant wild reef manta ray underwater to obtain clear ultrasound images of her foetus, using the world’s first contactless underwater ultrasound scanner.
Two years ago, MUI brought together some of the great minds in veterinary technology and challenged them to create a device that could ultrasound scan Laamu atoll’s resident population of reef manta rays (Mobula alfredi).
“MUI aims to be a marine conservation visionary,” Marteyne van Well, the General Manager at Six Senses Laamu, was quoted in a statement issued by Six Senses, saying.
“One of the ways we’re leading conservation efforts in the Maldives is by providing a platform for discussions on, and the field testing of, this world-first technology.”
Following a visit to Six Senses Laamu, Vetsonic (UK) Ltd Founder Ray Rochester approached veterinary imaging leaders IMV Imaging with the idea of developing a scanner to meet the rigours of diving at Manta Point, a manta ray cleaning station just a 10-minute boat ride from the resort that researchers from the Manta Trust have been studying since 2014.
IMV Imaging’s Duo-Scan:Go Oceanic is the first ever technology to allow contactless scanning of wild marine animals at depths of up to 98.5 feet (30 metres), whilst also being portable (the dive rig weighs less than 4.5 pounds (2 kilograms). The aim of bringing this technology to Laamu was to scan wild pregnant reef manta rays in order to study gestation and embryonic development.
“We know very little about where these reef manta rays go to give birth and how long gestation lasts in the wild. This ultrasound technology could allow us to determine rates of reproduction in the wild and this information would help guide conservation strategies for this threatened species,” Nicole Pelletier, Manta Trust Project Manager at Six Senses Laamu, said.
The research project is taking place in Maldives, which has the largest population of reef manta rays in the world. The team hopes that their work will help establish the factors responsible for annual fluctuations in breeding and discover why animals breed in certain areas but not others.
Manta rays are close relatives of sharks and rays. The largest individuals can reach as many as seven meters in width and weigh up to two tonnes. However, despite their size, and compared to some of their close relatives, mantas are gentle creatures.
Mantas are found throughout the tropical and sub-tropical oceans of the world. The animals never stop moving, as they must keep water flowing over their gills to respire. Their daily and seasonal movements are tuned to the ebb and flow of the ocean currents that carry the planktonic food upon which they depend.
“Manta rays are one of the most beautiful and iconic creatures that swim in our oceans,” Dr Gareth Pearce, from the Department of Veterinary Medicine at the University of Cambridge, was quoted in a statement issued by Manta Trust, as saying.
“Unfortunately, like many animals, their future is threatened. They are increasingly fished, both deliberately and through bycatch and their populations are now at risk.”
In recent years, manta ray populations have become threatened through bycatch in fisheries targeting other species, such as tuna and swordfish, but also because their gill plates have recently become sought after for use in Asian medicine.
Working with the Manta Trust, Dr Pearce and PhD student Niv Froman use the new ‘Duo-Scan: Go Oceanic’ ultrasound scanner to study the reproductive ecology of manta rays. To scan the manta rays, researchers dive down to a ‘cleaning station’ where smaller fish remove parasites from the mantas’ skin. These stations are typically 20-30 metres down, often with poor visibility and potentially strong ocean currents.
The diver then approaches a manta from above to avoid disturbing the animal. He positions the scanner 4-5cm above the surface of the manta, targeting the left side of the dorsal fin, which is where the reproductive structures such as the ovaries and the uterus are visible.
“It’s important not to cause the manta ray any stress,” Froman explained.
“Using these portable scanners, we’re able to obtain ultrasound images of their internal structures, particularly their reproductive tracts, without disturbing the animal. This is the first time that this has been possible in free-swimming mantas.”
The scanner enabled the team to obtain the first-ever scans of wild reef manta rays, including pregnant and non-pregnant females, as well as mature males.
“Using the scans, we’re able to determine the stages of maturity and when animals are becoming reproductively active. We can observe the stages of pregnancy, the development of the foetus and importantly, whether an animal maintains that pregnancy and gives birth to a live animal,” Dr Pearce said.
“Ultimately, our work aims to inform the conservation of manta rays both in the Maldives and other areas of the world, enabling the populations to survive and hopefully flourish. Our hope is that this research project will contribute to conserving the species for future generations.”
Sightings of the animals in the Maldives are reliable and consistent, allowing the researchers to take images of the same animal multiple times throughout its gestational period, which lasts just over a year.
“When the project began, none of the team knew whether scanning wild reef manta rays would even be possible. What has been achieved is beyond what we could have hoped for,” Dr Guy Stevens, Co-Founder and Chief Executive of the Manta Trust, said.
“Manta rays are threatened worldwide and we still know so little about their reproductive strategies. The ability to scan pregnant individuals will be invaluable in our quest to protect them.”
According to IMV-imaging, the ‘Duo-Scan: Go Oceanic’ represents significant improvements on previous technologies. It can be taken to depths of up to 30 meters and —with the assistance of Wi-Fi and a smartphone as a viewing screen—it is small enough to fit in the palm of your hand.
“What we are really excited about is the contactless nature of this technology. There are significant benefits for animal welfare, but you also open up a whole range of possible applications if you can scan animals that ordinarily wouldn’t let you get close enough to touch them,” Alan Picken, Chief Executive of IMV-imaging, said.
The Cambridge researchers, in collaboration with a team from the Manta Trust, verified that the contactless technology works in the field tests carried out in collaboration with the Vetsonic (UK) Ltd and Six Senses Laamu.
This World Earth Day, ELE|NA is placing sustainability at the centre of its wellness approach through a programme led by Sustainability Ambassadors across its spa network. Through a set of circular practices and guest-facing initiatives, the brand is linking environmental responsibility with the spa experience.
At the centre of the programme are ELE|NA’s Sustainability Ambassadors, team members based in each resort spa who promote environmentally conscious practices. These ambassadors support both staff and guests in adopting sustainable actions, from daily operations to workshops designed to encourage participation and awareness.
Guests are invited to join hands-on sustainability workshops that combine learning with practical activities. These include the Juice Bike, sessions on making natural haircare products, the preparation of coconut and coffee scrubs and oils, and the making of coconut candy. Guests can also take part in a sand bundle workshop, where used spa linen is repurposed into handmade sand bundles later used in spa treatments.
ELE|NA’s sustainability model also extends to resource use within spa and hospitality operations. Apples previously used in infused water are turned into apple chips, while orange peel waste from the kitchen is made into sweets served to guests after treatments. Used herbal tea is repurposed as fertiliser for spa gardens, supporting a circular approach to materials and waste.
The brand is also aligning its Earth Day programming with the 2026 global theme, “Our Power, Our Planet”, by focusing on nature-based healing practices. ELE|NA says this includes reducing the use of synthetic tools and instead incorporating natural materials such as bamboo and coconut shells into treatments. The approach is intended to reflect a model of wellness built around renewal and lower-impact resource use.
This philosophy is also reflected in wellness experiences including Ocean Flow, Reiki, Sunrise Yoga and Floating Sound Bath sessions, which are designed to connect guests more closely with the natural environment. Through these programmes, ELE|NA is positioning wellbeing and environmental awareness as part of the same experience.
ELE|NA has also received Gold Standard accreditation from Sustainable Wellness, a non-profit organisation established in 2020 to provide independent sustainability guidance and benchmarking for the wellness sector. The accreditation marks a step in the brand’s sustainability programme and reflects its stated focus on responsible wellness practices.
Beyond its own spas, ELE|NA is presenting sustainable wellness as an operational model that can be applied across resort and spa settings. The brand says the framework is designed to support guest engagement, brand positioning and service delivery, while also being scalable for hospitality operators seeking to integrate sustainability standards, staff training and wellness programming into their own operations.
The Nautilus Maldives will host Ocean Discovery Week from 2 to 8 August 2026, offering guests a closer exploration of the marine environment in Baa Atoll’s UNESCO Biosphere Reserve. Set around the rhythms of the sea, the programme is designed to bring together ocean discovery, photography, storytelling and family participation.
This year’s edition will feature underwater photographer Tobias Friedrich, who will be joined by his wife Isidora and their two sons, Kian and Dorian. Together, they bring a family-based perspective to the programme, shaped by diving, marine advocacy and shared experience.
Tobias Friedrich is known for his underwater photography and his role as a jury member for the Underwater Photographer of the Year. His work has documented marine environments ranging from tropical reefs to Arctic waters. Isidora, a PADI AmbassaDiver, contributes through storytelling linked to ocean exploration, diving safety and conservation. Kian and Dorian, both certified junior divers, add a younger perspective to the programme through their own connection with the sea.
Throughout the week, guests will be able to take part in a range of activities including manta ray encounters in Hanifaru Bay, night dives and guided snorkelling on the house reef. The programme also includes photography sessions led by Tobias Friedrich, covering underwater composition, storytelling and image-making. These sessions will range from introductory poolside workshops to more advanced guidance.
Alongside this, Isidora will lead storytelling and engagement sessions, while also guiding children’s activities. Evening events will include outdoor cinema screenings focused on underwater phenomena, as well as talks aimed at giving guests a wider understanding of the marine world.
At Naiboli, an Ocean Gallery will display Tobias Friedrich’s work through books, calendars and selected pieces, some of which will be available for purchase. A portion of proceeds will go towards marine conservation initiatives.
For younger guests, Ocean Discovery Week will also be reflected in the Young Wonderers programme. Activities will include coral planting sessions with the resort’s resident marine biologist, along with ocean-themed art, storytelling and reef exploration.
The Nautilus Maldives is presenting Ocean Discovery Week as a programme shaped less by fixed schedules than by shared experiences in and around the sea. Through diving, photography, storytelling and conservation-based activities, the week is intended to deepen guests’ understanding of the marine environment while creating opportunities for connection across age groups.
Holiday Inn Resort Kandooma Maldives is offering guests the opportunity to extend their stays through a promotional campaign in which every third night is complimentary across selected premium villa categories.
The offer applies to Beach Houses and Overwater Villas and extends beyond a standard Stay 3 Pay 2 structure. Guests can also book under Stay 6 Pay 4, Stay 9 Pay 6, and longer-stay formats, with every third night free for stays of up to 30 nights.
Available exclusively to IHG One Rewards members, the promotion forms part of IHG’s Asia Pacific “One More Moment” campaign. It is valid for bookings made before 1 May 2026, with travel available through to the end of the year, subject to blackout dates.
The offer also includes no upfront payment and free cancellation up to three days before arrival, giving travellers added flexibility when planning future stays.
Sharon Garrett, Director of Marketing & Sustainability at Holiday Inn Resort Kandooma Maldives, said the offer builds on the appeal of a familiar stay incentive while giving guests more scope to extend their time at the resort.
“Our members really value the simplicity of a Stay 3 Pay 2 offer, but what makes this particularly appealing is the ability to extend that benefit across longer stays,” she said.
“It is about giving guests the freedom to enjoy one more dive, one more spa treatment, or simply one more unhurried day on the island.”
Located in South Malé Atoll, around 45 minutes by speedboat from Velana International Airport, Holiday Inn Resort Kandooma Maldives is positioned as a private island resort with a focus on diving, family-friendly facilities and accessible Maldives holidays. The resort offers a range of accommodation categories, several dining venues, the Kandoo Kids’ Club, and Kandooma Spa by COMO Shambhala.
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