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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.
Sun Siyam Resorts is inviting couples to celebrate Valentine’s season across its collection of Maldivian island resorts, with each destination offering a distinct rhythm and character. From unhurried island experiences to celebrations shaped by nature and shared moments, the programme presents couples with a range of intimate ways to reconnect in settings designed to feel personal and considered.
At Sun Siyam Iru Fushi, Valentine’s celebrations will take place from 12 to 14 February, unfolding through a series of tailored experiences focused on togetherness. The programme includes floating breakfasts, sunset moments in private pool villas, secluded island picnics and snorkelling excursions. Evenings feature experiences such as Cinema by Moonlight on the water, live DJ sessions and couple-focused spa rituals, creating a balance between relaxed romance and private time.
From 11 to 14 February, Sun Siyam Iru Veli will present a Valentine’s programme centred on candle-lit dining, beachfront gatherings and personalised experiences across lagoon and sandbank locations. Live performances by Maldivian saxophonist Shahy Siraj will accompany sunsets and evening celebrations, offering couples a setting designed to feel relaxed and timeless.
Throughout February, Sun Siyam Vilu Reef will host a month-long Valentine’s journey inspired by coastal tones and slower-paced island living. The programme includes outdoor dining experiences, sunset performances, beachside theatre and personalised couple activities across dining, spa and excursions, inviting guests to engage with a more extended celebration of the season.
At Siyam World, Valentine’s Day on 13 and 14 February will be marked by a more expressive programme where romance is paired with music, performances and island-wide dining experiences. The celebrations culminate in a signature Valentine’s show, presenting a high-energy approach to the occasion.
From 13 to 20 February, Sun Siyam Olhuveli will offer a week-long Valentine’s escape focused on shared experiences, food and island life. The programme includes evening performances by DJ Slim Belghith and a culinary residency by Italian chef Francesca Gambacorta, alongside beachfront dining, wellness experiences and activities designed for couples to spend time together at a relaxed pace.
Across the Sun Siyam portfolio in the Maldives, Valentine’s season is defined by time spent together through shared meals, music, unhurried days and the natural island setting. Couples are invited to explore seasonal offers and programmes across the collection via the Sun Siyam Resorts website.
Ifuru Island Maldives has unveiled A Valentine’s Escape, Curated for Two, a Valentine’s season programme featuring a collection of experiences designed for couples seeking connection in a private island setting shaped by natural surroundings and a restrained approach to luxury.
Central to the offering are romantic beach dinners held under the night sky, alongside an exclusive private dining experience at the resort’s Secret Spot. This secluded location is reserved for couples seeking privacy and is available by prior arrangement. Each dining experience is curated by the culinary team and includes bespoke menus, candlelit table settings and personalised service.
For couples wishing to spend time on the water, the resort is introducing a private romantic yacht charter in collaboration with Blend. The experience offers a quiet journey across the lagoon and open waters, with curated refreshments and uninterrupted sunset views. Designed for a limited number of couples, the charter is positioned for occasions such as proposals, anniversaries and Valentine’s celebrations.
Wellness experiences form an additional element of the Valentine’s programme. Couples can book a dedicated spa package focused on shared relaxation rituals in a calm setting. For guests interested in mindfulness, a guided meditation and bonding session led by visiting practitioner Dr. Sha is available on selected dates, offering an opportunity for reflection and balance within the island environment.
Through private dining, ocean-based experiences, spa rituals and mindful moments, A Valentine’s Escape, Curated for Two presents couples with the opportunity to celebrate Valentine’s season in a manner that is personal, unhurried and considered.
Atmosphere Core concluded 2025 with a strong industry showing, securing three major honours at the Layalina Editor’s Choice Awards 2025 for RAAYA by Atmosphere, Atmosphere Kanifushi Maldives and OBLU XPERIENCE Ailafushi. The accolades underscore the group’s ability to deliver clearly differentiated resort concepts for diverse traveller profiles, while maintaining a consistent emphasis on quality, comfort and guest satisfaction across its portfolio.
At the awards, RAAYA by Atmosphere was named Best New Luxury Resort of the Year – Maldives. Atmosphere Kanifushi Maldives received the title of Best All-Inclusive Luxury Resort, while OBLU XPERIENCE Ailafushi was recognised as Most Stylish Resort – Maldives. The honours are based on Layalina’s independent editorial assessment and established quality benchmarks, celebrating excellence across luxury hospitality, all-inclusive offerings and lifestyle-led design. Layalina is a leading Arab lifestyle publication under 7awi Media Group, with a strong readership and influence across the GCC and wider region.
Collectively, the awards highlight Atmosphere Core’s understanding of evolving travel expectations, delivering experiences that are thoughtful, well-crafted and easy to enjoy, whether guests are seeking tranquillity, variety or social energy.
Each of the recognised resorts brings a distinct identity to the group’s Maldivian portfolio. RAAYA by Atmosphere, located in the Raa Atoll, is defined by its serene environment and castaway-artist concept, encouraging guests to slow down and reconnect through nature, creativity and adventure. Atmosphere Kanifushi continues to stand out for its scale and consistency, offering a generous all-inclusive experience through the Kanifushi Plan™, expansive villas and a long, natural island setting that appeals to both families and couples. In contrast, OBLU XPERIENCE Ailafushi delivers a more dynamic island escape, characterised by contemporary design and a lively social atmosphere that resonates with travellers drawn to shared spaces, movement and modern aesthetics. Together, the accolades reflect a carefully curated portfolio designed to cater to a wide spectrum of travel moods and preferences.
Commenting on the achievement, Ashwin Handa, Chief Operating Officer of Atmosphere Core, said the group was honoured to receive the Layalina Editor’s Choice Awards 2025, recognising the three resorts across distinct categories. He noted that the recognition reflects the company’s carefully curated experiences, shaped by a strong sense of product, space and genuine care, and credited the passion and commitment of the teams, as well as the continued trust of guests, for the achievement.
Central to these successes is Atmosphere Core’s philosophy of the Joy of Giving, which positions hospitality around care, generosity and attention to detail. This approach informs destinations that feel closely connected to their natural surroundings and supports bespoke experiences that anticipate guest needs. The result, the group says, is a style of hospitality that is welcoming, effortless and personal, creating meaningful moments that endure beyond the stay itself.
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