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Underwater tales from marine biologist at Constance Halaveli
Robin Aiello, renowned marine biologist, is at Constance Halaveli this month. Enjoy tales of her underwater adventures and find out more about your dive buddies with the special creature features she’s writing for us during her stay.
Arriving at Halaveli
It is hard to believe that I have been on this wonderful island for a week already. Time is passing too quickly and there is so much to do, and see, and explore.
I arrived last Sunday to the resort by seaplane – which in itself is a fabulous experience with wonderful views of the reefs and lagoons while enroute.
I’m staying in a Water Villa. It’s spectacular, and for me, living somewhere I can step out onto my deck and down a few stairs directly into the ocean for a snorkel is a dream come true.
Within the first few minutes of snorkelling from my deck I encountered a school of silver mullet fish hungrily feeding at the surface of the water, saw several baby blacktip reef sharks (only about 40cm long, so they were only a few days old), and spotted a manta ray passing by. Wow! What a start to my month on the island.
While I’m at Halaveli, I’ll be working with the TGI Dive Center guiding dives and snorkels and sharing all my expertise on coral reefs and the animals living there.
One of the things that has really impressed me is the diversity of the marine life on the reefs that we visit. There is just so much to see. During my stay, I’lll be writing a series of Creature Features in which I want to highlight some of the lesser well-known creatures that you can easily see while diving and snorkeling. I hope you enjoy the fun facts.
Creature Feature 1: The Redtooth Triggerfish (Odonus niger)
Also known as Black Triggerfish or Niger Triggerfish
As soon as you put your head into the waters on any of the reefs here, you can see why people come back for diving over and over again to the Maldives. The ocean is full of marine life – in every imaginable shape and colour. It is like being inside a large aquarium.
All around you fish dart to and fro – some are very curious and even change direction to pass close to your mask and look you right in the eye.
Many people ask me which is my favourite fish, and to be honest, I cannot choose – they are each so beautiful and interesting in their own way. But there is one fish that I have developed a great fondness for since being here in Halaveli – the Redtooth Triggerfish. To me, these are incredibly endearing.
Their behaviour
These fish are schooling fish that feed on zooplankton floating in the water, so they form massive groups of hundreds, if not thousands, of individuals. They hang off the edge of the reef, forming a ‘halo’ around it.
All triggerfish are easily recognised by the way they swim – they undulate their ventral (top) fin and dorsal (bottom) fin from side to side, so it almost looks like flags flapping in the breeze. When there are hundreds of fish doing this all at once, the motion is mesmerising – like a fish ballet.
Although on first glance they do not look like this would be an effective way to swim, these fish are actually highly maneuverable. They flit around in the water column catching small zooplankton (small animals that float in the ocean). In fact, when you take a close look at these fish, you can see that their tiny little mouths are upturned, pointing upwards, which makes it easier for them to grab zooplankton floating by.
Recognising the Redtooth Triggerfish
The Redtooth Triggerfish is known by many names, including Niger or Black Triggerfish. Although they can reach up to 30cm long, they are generally much smaller – about the size of you hand.
Their colours vary greatly depending on the light conditions. When schooling in deep, blue waters they appear black, but in good sunlight you can see their true bright blue or teal green colouration. And, yes, when you get a close up look at the teeth, they are in fact a dark red colour (no one seems to know why they are red). Around the head they have delicate lines that create a beautiful facial tattoo. However, for me, the most beautiful part of these fish are their long lyre-shaped tails that wave in the currents.
The triggerfish spine
All triggerfish have a shared characteristic – a spine (the ‘trigger’) on their forehead. This is a special spine that they can erect and lock into place with a second spine – much like a trigger on a gun, hence the name ‘triggerfish’.
They use this unique feature in two ways. One is for defense against being eaten by predatory fish. Imagine a fish’s surprise if it tries to swallow a triggerfish and suddenly it gets spiked in their throat by the ‘trigger’ spine.
But the most important use of the ‘trigger’ spine is for tightly wedging themselves into coral crevices or small holes in the reef while they sleep (yes…reef fish DO sleep). To stay safe, these fish find their own personal hole or crevice in the reef to hide out in. The spaces are usually so narrow that the fish need to wiggle into them by turning sideways.
Once inside the hole (usually all you can see are thee tips of the tail sticking out) the triggerfish erect their ‘trigger’ spine to lock themselves in place. In this way, any predatory fish, like a reef shark who hunts sleeping fish, cannot grab and tug them out from their holes.
When the triggerfish are ready to leave the holes, they release the ‘trigger’, lower the spine and wiggle their way out – backwards! (Yes…these are one of the few fish that I have seen that can swim tail-first!
So the next time you are diving on one of the reefs around Halaveli, take a moment to observe these little triggerfish.
Nova Maldives has wrapped a three-day Women’s Dive Day (WDD) programme, running from 17 to 19 July, bringing together marine leaders, resort guests and local schoolgirls for a series of conversations, first dives and hands-on conservation work centred on women and the ocean.
A conversation on the water’s surface
The programme opened on 17 July with a fireside chat bringing together three women – Zoona Naseem, the Maldives’ first female PADI Course Director, Nova’s resident marine biologist Jenna Lehocki, and PADI AmbassaDiver, Maëlly Faure. The conversation moved beyond diving logistics to the culture of the sport itself, touching on the gender gap that still shapes the industry.
Breaking the mould: the existing gender gap comes down to a lack of visible role models, not interest, and normalising women at every level is what closes it, backed by PADI’s dive-learning community and annual WDD programmes building the networks women need to feel they belong, not just welcome.
From fear to fascination: the proliferation of diving content on social media have turned sharks and rays from something to dread into something to admire, and PADI’s Global Shark & Ray Census offer formalised ways for divers to help log sightings to track and protect species once misunderstood.
Marine careers don’t run in straight lines: science majors that became teachers, divers who became underwater photographers, instructors who now run dive centres of their own. The message to the next generation isn’t “pick a lane,” it’s that the lanes cross.
First breaths underwater
On the morning of 18 July, seven women took part in complimentary Discover Scuba Diving sessions, with five going on to complete their DSD experience in full. For many, it was a first introduction to breathing underwater, a small but significant step in an industry where women still make up a minority of certified divers.
Group first dives of this kind are one of the most effective on-ramps into the sport, giving participants a taste of the confidence and calm that experienced divers describe as transformative, without the commitment of a full certification course.
Inspiring the Next Generation
That afternoon, Nova also welcomed 15 pupils from Dhangethi School for a careers guidance workshop led by Zoona, who shared her own journey to becoming the Maldives’ first female PADI Course Director.
The workshop was followed by a coral planting session, where students and guests helped tie coral fragments onto metal frames before joining Nova’s dive team to take them out to the house reef for planting – offering the Dhangethi pupils a tangible link between the classroom conversation on careers in marine science and the practical, hands-on work of protecting the reef that surrounds their community.
Coral restoration of this kind has taken on real urgency in the Maldives: the archipelago has weathered major bleaching events in 1998, 2016 and again in 2024, when sea temperatures reached record highs and live coral cover fell sharply across several atolls.
Frame-based coral planting, of the kind Nova’s guests took part in, is one of the most widely used restoration methods across Maldivian resorts, giving damaged sections of reef a head start by anchoring young coral in place while it establishes itself.
This is only the start of Nova’s marine calendar this year, with the resort returning with AWARE Week with PADI in mid-September — a week-long programme spanning lagoon-based Dive Against Debris sessions, guided snorkelling for non-divers, and educational workshops. More details will be released in coming weeks.
Villa Nautica and diveOceanus, in partnership with The Hub 10 – Finland International School, have launched the first phase of a long-term coral restoration and citizen science programme, transforming the reef surrounding the resort into a living classroom.
Following an introductory marine biology session at the school, students visited Villa Nautica to work alongside the diveOceanus team. They learned how to identify coral species, measure coral fragments, assess coral health and record baseline scientific data before preparing five dedicated coral restoration frames.
The initiative extends beyond a traditional coral planting activity. Each coral fragment has been individually recorded through a Coral Tracker system, allowing students to follow its progress over time. When they return approximately six months later, they will compare new measurements with the data collected during their first visit, documenting coral growth, survival and the marine life beginning to establish around the frames.
Over time, students will be able to observe how initially bare structures develop into functioning reef habitats that support fish and other marine organisms. As each class graduates, responsibility for the monitoring programme will pass to the next group, creating a continuous citizen science project in which each generation builds on the work of those before them.
The initiative forms part of Villa Nautica’s wider coral restoration programme, established in 2024 and managed by diveOceanus. The resort currently maintains approximately 65 coral restoration frames, contributing to more than 130 frames established across Villa Resorts.
Mohamed Seeneen, Director of Operations at diveOceanus, explained that the team has gained valuable knowledge through years of reef restoration during periods of elevated sea temperatures.
“Over the years, we have experienced several marine heatwaves that have affected reefs throughout the Maldives. While our restoration sites have also experienced losses, they have shown encouraging resilience. Rather than continually introducing new donor colonies, we focus on propagating coral fragments that have naturally survived previous bleaching events, allowing these more resilient corals to form the foundation of future restoration.”
The team has already observed coral colonies beginning to develop into more natural reef formations. Species such as the Harlequin Filefish have also been seen returning regularly to the restoration sites, providing an encouraging indication that the developing habitats are supporting marine biodiversity.
As tennis and padel continue to shape the luxury travel landscape, Finolhu, a Seaside Collection Resort, has welcomed French-Mexican sports professional Stefano as its new Tennis Pro, further elevating the resort’s growing focus on world-class racquet experiences in the Maldives.
Originally from Mexico, Stefano arrives at Finolhu with an extensive background in both tennis and padel. A former competitive athlete who reached No. 4 nationally in Mexico, he has built an international career spanning Mexico, the French overseas region of Guadeloupe and the Maldives, where he has become a familiar figure across several of the country’s leading luxury resorts.
Prior to joining Finolhu, Stefano served as a Tennis and Padel Professional at Patina Maldives. He previously held similar roles at Anantara Kihavah and The St. Regis Maldives, coaching players of all ages and abilities, from first-time enthusiasts to seasoned competitors seeking to refine their game.
At Finolhu, Stefano will lead the resort’s tennis and padel programme, offering private coaching sessions, social matches and bespoke experiences for families, couples and sports enthusiasts. His arrival comes at a time when padel, one of the world’s fastest-growing sports, is increasingly finding a place alongside traditional wellness and recreation offerings at luxury destinations.
Known for its playful spirit and vibrant energy, Finolhu complements its two-kilometre sandbank, eclectic dining experiences and extensive activities with dedicated tennis and padel facilities, giving guests the opportunity to stay active while immersed in the natural beauty of Baa Atoll. Whether introducing newcomers to the fast-paced world of padel or helping experienced players perfect their serve, the resort’s racquet sports offering has become an increasingly popular part of the Finolhu experience.
The programme is delivered in partnership with LUX Tennis, the international tennis management company recognised for bringing premium coaching and curated sporting experiences to luxury resorts around the world. Through this collaboration, Finolhu offers guests access to professional instruction and tailored programmes that combine performance, wellness and leisure in an exceptional island setting.
For Stefano, whose journey has taken him from the courts of Mexico and the Caribbean to the Indian Ocean, Finolhu represents the latest chapter in a career dedicated to sharing a passion for racquet sports. Whether hosting friendly tournaments beneath the Maldivian sun or introducing guests to a new sport, his focus remains on creating memorable experiences that extend far beyond the court.
To learn more about Finolhu, a Seaside Collection resort, visit finolhu.com.
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