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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.
Ifuru Island Maldives has introduced a new collection of curated dive packages, inviting guests to explore the exceptional underwater world of the Maldives through programmes designed for beginners, aspiring divers and certified enthusiasts alike.
Located in the pristine waters of Raa Atoll, Ifuru Island Maldives provides access to vibrant house reefs, calm lagoon conditions and several of the region’s most celebrated dive sites, including the renowned Ifuru Thila. The newly launched dive packages are crafted to combine professional training, guided exploration and the convenience of a premium island stay.
The collection begins with an introductory diving experience tailored for first-time divers seeking to discover the underwater world in a safe and relaxed setting. Guests undergo lagoon-based training before progressing to the house reef, offering an ideal entry point into scuba diving with no prior experience required.
For guests ready to advance further, the resort offers a globally recognised scuba certification course. Designed for confident swimmers and snorkellers, the programme includes professional instruction, open water dives and an internationally valid certification, opening access to dive destinations worldwide.
Certified divers can choose a three-day dive escape that highlights the best sites in Raa Atoll. Featuring guided morning dives across renowned locations, the experience showcases the atoll’s rich marine biodiversity, striking reef structures and clear waters.
“Diving is an essential part of the Maldivian experience, and we wanted to create a collection that feels both accessible and exceptional,” said Marcel Sawyer, General Manager of Ifuru Island Maldives. “Whether it marks a guest’s first dive or their next significant underwater journey, these packages are crafted to offer confidence, comfort and memorable experiences beneath the surface.”
All dive packages may be booked alongside the resort’s premium accommodation offerings, including the Exclusively Yours Premium All-Inclusive meal plan, daily resort touches, complimentary non-motorised water sports, snorkelling equipment and return domestic flight transfers for qualifying stays.
The dive packages are available for booking and travel throughout 2026 and must be confirmed ahead of arrival. Package rates apply in addition to accommodation and are subject to availability.
Niyama Private Islands Maldives now offers what is considered the most luxurious surf experience in the Maldives, enhanced by the introduction of its new Surf Shack — a stylish beachfront hangout serving gourmet bites, drinks, sunset views and lively parties.
Known as Nature’s Playground, the resort has long attracted surf professionals from around the globe. Located in the southern Maldives, where swells are at their strongest, it is a preferred base during peak surf season. Waves break directly on shore, with additional surf spots accessible within minutes by speedboat.
Niyama’s signature waves roll in at Vodi Point, situated on the westernmost tip of its twin islands. It is here that the resort has unveiled the new Surf Shack, designed to make time off the waves equally appealing. The thatched-roof venue encourages a barefoot, relaxed atmosphere, offering an upper deck for sunset viewing and picnic-style seating below. Reflecting Niyama’s sustainability ethos, Area Chief of Engineering Michael Patrick Slevin notes that 75 per cent of construction materials were repurposed, blending beach casual with environmentally conscious design.
Guests can enjoy gourmet dishes served from service windows, with a menu inspired by iconic surf destinations worldwide: Australian fish and chips, Indonesian satay, Mexican nachos and Japanese takoyaki. The drinks list pays tribute to rum, featuring an extensive collection and signature cocktails inspired by renowned surf breaks.
While the Surf Shack maintains a laidback feel during the day, the beachfront transforms at dusk as the tides shift and the DJ elevates the atmosphere. The resort’s rum and reggae Sundays have already become a celebrated weekly event.
Surfers at Niyama can design their days as they wish — chasing waves or relaxing ashore. The Surf Centre offers equipment and guidance, while Drift by Niyama provides recovery treatments to soothe muscles, repair sun-exposed skin and restore energy. Resident professional surfers remain available to advise on technique and wave conditions.
“The new Surf Shack forms part of the renewed Niyama experience, which includes significant refurbishments across the resort, inventive culinary additions and a greater emphasis on active living and wellness,” said Hafidh Al Busaidy, General Manager of Niyama Private Islands Maldives. “With more developments on the way, we look forward to sharing what comes next.”
Reethi Faru Resort recently welcomed Magda Linette, a Top 20 professional tennis player, who selected the island resort as her training retreat while preparing for the Australian Open and the forthcoming tennis season. Away from the competitive spotlight, Linette utilised the resort’s private and tranquil setting, where expansive beaches, clear lagoon waters, and discreet luxury provided an environment conducive to both focused preparation and recovery.
Throughout her stay, Linette combined intensive training sessions with periods of rest, making use of the resort’s calm surroundings and seclusion. The natural setting of the Maldives offered an effective backdrop for physical conditioning and mental focus, supporting her preparations ahead of the season’s first Grand Slam tournament.
Known for its emphasis on privacy, understated luxury, and an authentic island atmosphere, Reethi Faru Resort continues to attract elite athletes seeking a destination that supports peak performance while delivering a refined island experience. The resort extended its best wishes to Linette as she progresses through the upcoming tennis season.
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