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Scientists using holiday snaps to identify whale sharks

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Maldives Promotion House – Holidaymakers’ photos could help scientists track the movements of giant endangered sharks living in the waters of the Indian Ocean. A new study, led by a researcher from Imperial College London, is the first to show that these publically sourced photographs are suitable for use in conservation work.

Tourists scuba diving and snorkelling in the Maldives frequently take underwater pictures of the spectacular and docile whale shark, often called the world’s largest fish. Conservationists have long hoped to use this photographic resource to help them trace the sharks’ life history, relationships and geographic distribution, although the value of these amateur snapshots has never been properly measured.

Tim Davies of Imperial’s Division of Biology is the lead author on a study published in Wildlife Research, the first to examine how reliable photographs sourced from the public actually are. He and his team did this by comparing results using tourist images with results based on surveys by marine researchers specifically aiming to track the sharks.

In order for a shark to be clearly identified, any photograph must capture the distinctive pattern of spots located directly behind the gills. This unique marking serves as a ‘fingerprint’, which can then be scanned with a computer programme to tell the animals apart.

The study looked at hundreds of images taken by the public, of which many were downloaded from image-sharing websites such as Flickr and YouTube. Individual whale sharks could be successfully identified in 85 per cent of cases, surprisingly close to the 100 per cent identification possible in photographs taken by researchers.

Speaking about the results, Davies said: “Globally, this outcome provides strong support for the scientific use of photographs taken by tourists for whale shark monitoring. Hopefully, this will give whale shark research around the world confidence in using this source of free data. In the Maldives in particular, where whale shark tourism is well established and very useful for collecting data from throughout the archipelago, our results suggest that whale shark monitoring effort should be focused on collecting tourist photographs.”

Although they are widely thought to be rare, the conservation status of the whale shark has long remained uncertain. This study therefore allowed the team to measure the populations of whale sharks in the area, which they estimate have not declined in recent years. Davies added: “Hopefully, as more data come in from tourists over the years and from further across the archipelago, we will be able to build up our understanding of the Maldives population and monitor its status closely.”

Holidaymakers can assist researchers in monitoring whale shark populations by uploading their shark photos to the ECOCEAN whale shark identification library website (www.whaleshark.org). For more information on Maldivian whale shark visit the Maldives Whale Shark Research Programme website (http://maldiveswhalesharkresearch.org).

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Marine encounters: spinner dolphins at Canareef Resort Maldives

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At Canareef Resort Maldives, one of the most popular experiences for guests is the dolphin tour. The abundant presence of dolphins in the surrounding waters ensures that each cruise offers a remarkable encounter with these marine creatures, creating lasting memories for visitors.

Every dolphin tour at Canareef provides an opportunity to observe pods of dolphins gliding and leaping across the waves. Guests often describe the sight of spinner dolphins darting through the clear ocean as a defining image of the Maldives’ natural marine beauty.

Morning cruises and sunset tours alike are guided by experienced staff, who share insights as dolphins appear in their natural environment. Many guests recount moments when dolphins swim alongside the boat, a spectacle that creates a unique sense of connection.

The activity is regarded as more than just an excursion; it is considered a celebration of nature and a highlight of a stay at Canareef. It allows guests to experience the Maldives in a way that underlines why dolphins are seen as ambassadors of the islands.

For travellers seeking encounters with dolphins amid turquoise waters, Canareef presents an ideal opportunity. The resort also offers seasonal promotions, including early booking discounts for the remainder of this summer, next winter, and summer 2026.

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Dusit Thani Maldives offers direct access to Baa Atoll’s living reef

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At Dusit Thani Maldives, the experience of the ocean begins directly at the doorstep. Situated within the UNESCO-protected Baa Atoll Biosphere Reserve, the resort is surrounded by one of the most vibrant house reefs in the country, offering guests the opportunity to explore a thriving underwater world just steps from their villa.

What distinguishes the resort is its 360-degree house reef. Each villa, whether set above the lagoon or along the beach, opens directly onto the water. Guests can enter the ocean within moments of leaving their deck, where coral gardens, schools of tropical fish, and turtles can often be seen. The seamless access allows families, beginners, and experienced snorkellers to engage with the reef naturally, without the need to plan or schedule an excursion.

The location within the Baa Atoll Biosphere Reserve makes every swim a part of a wider story of conservation and discovery. Recognised globally for its corals and tropical marine life, the reserve becomes a key gathering site for manta rays and whale sharks during the season. Around the reef, visitors can observe parrotfish, angelfish, eagle rays, and reef sharks, making it a living example of biodiversity and preservation.

Life at the resort is centred on this connection with the sea. Guests may begin their day with a morning swim, take part in a guided snorkelling safari with marine experts, and conclude by observing the coral gardens as they take on new colours in the evening light. The ocean becomes not simply a backdrop but an integral part of daily life.

The PADI-certified Dive and Watersports Centre further enhances this relationship with the ocean, offering night snorkels, freediving, drift dives, and marine education programmes designed for families. Guests are supported to safely explore the biodiversity of the atoll at their own level, whether through a gentle introduction or more advanced diving experiences.

Jean-Louis Ripoche, Area General Manager, Dusit Maldives, noted that snorkelling at the resort is not treated as an activity but as part of the rhythm of island life. He explained that the reef begins where the villa deck ends, allowing guests the freedom to explore the ocean at their own pace and making the location distinctive in its accessibility and natural beauty.

At Dusit Thani Maldives, the distinction between villa and ocean fades away. From sighting turtles at sunrise to drifting beside reef sharks at dusk, every moment reinforces the natural character of the Maldives and the unique setting of the resort.

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From reef to horizon: Immersive island experiences at Angsana Velavaru

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Angsana Velavaru invites travelers to immerse themselves in a rhythm shaped by tides, coral gardens, and island breezes. This oceanfront retreat is located in one of the Maldives’ most vibrant marine environments. It is known as “Turtle Island” and is a 40-minute seaplane ride from Male’. The resort curates experiences for those who are drawn to discovery, depth, and the beauty of nature’s untouched corners. Angsana Velavaru offers a getaway to extraordinary diving, barefoot island adventures, and sea-bound journey.

Into the Blue: Dive Sites and Snorkelling Discoveries

Angsana Velavaru is at the center of a marine wonderland with more than 30 dive sites just minutes away. The resort’s PADI 5-Star Gold Dive Centre leads guests to explore dramatic drop-offs, gentle coral slopes, and manta ray cleaning stations. The resort offers tailored expeditions and daily two-tank dives for both experienced and beginner divers.

For those who prefer to snorkel, the house reef offers an introduction to coral life. Guided safaris, led by marine experts, provide a deeper appreciation for reef ecosystems10. The calm waters surrounding the island make it easy for even first-time snorkelers to experience the ocean.

Ocean Adventures: Cruising, Fishing and Sunset Moments

Guests can step aboard traditional dhonis to experience the ocean from a new perspective. Unforgettable views are available whether you are on a dolphin cruise or a sunset sail. Traditional handline fishing trips, guided by a local crew, are also available for a hands-on experience. Other highlights include sandbank escapes and private boat charters, which are designed to slow down time and deepen one’s connection to the sea.

Land Experiences and Island Explorations

Angsana Velavaru offers morning nature walks and visits to local islands for a glimpse into Maldivian island life. At the resort’s Marine Lab, guests can take part in coral planting or learn about marine conservation from resident marine biologists. For families, the Ranger’s Club provides meaningful moments for young explorers with treasure hunts, marine workshops, and outdoor games. Solo travelers or couples can enjoy quiet moments under the stars, yoga by the beach, or walking around the island.

Angsana Velavaru offers immersion and the chance to become part of a living seascape. Every moment resonates with nature’s quiet power.

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