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Marine Life & Conservation

Mauritius by night: When the nocturnal species come out to play

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The boat leaves as dusk begins to fall and as the sun sets, we kit up in a fluster of haste, careful not to forget our torches, nervous because it’s unfamiliar to be going diving when everyone else is going out to dinner. We each have a torch and we are told not to switch them on before we hit the water, as they will spoil our night vision.

Menon gives a much longer dive briefing than normal and a lot of it is to do with the unfamiliar darkness we will be diving in. We will be diving Point Vacoas, a reef characterised by sand striped gullies and rich in towering ancient brain coral bomies. During the day it is coloured by delicate pink lilac and peach soft corals and filled with fish life.

He warns us to keep well above the reef until we have a feel for the surrounding darkness. There is a torch at the top of the buoy line and a torch at the bottom. We backward roll into pitch blackness, and switch on our lights. The boat’s navigation lights come on so we know where we are, where the bottom is, and where the boat is.

Sorted.

We sink through the crystal water towards the bottom, careful not to shine our torches in each other’s eyes. It’s easy to spot the others in the group, their torches are like light sabres on the white sand in the marine darkness.

As we reach the reef a hand, lit by a torch points, and there is a juvenile bar-tail moray hunting in the dark, his victim oblivious.

Morays are normally easily spotted during the day in Mauritius, but rarely do we see them outside their holes. They hunt by night.

As I filmed him a light caught an orange undulation, and a Spanish dancer wove his way down to the reef, caught in the spotlight of the whole group of torches.

He was at least 300mm long, and he undulated gracefully, flashing his exquisite colours. You never see them during the day, and I have no idea where they hide. I have often seen their egg ribbons, but I’ve never seen these huge nudibranchs during the day. Another rare nudi was a Berthalini, another huge nocturnal creature built along the same lines and almost as spectacular as the Spanish Dancer.

Someone taps his tank and one of the torches hovers on a large grey creature. I turn towards the sound, and there is a completely unfamiliar creature, silvery grey, box shaped, long spiked tail, about 600 mm long, flapping and hovering and turning in circles.

It’s a Cowfish, and according to the books, it’s not found in Mauritius. It’s found in Indonesia, but there it is looking a little embarrassed at being caught out in the wrong ocean. On honeymoon perhaps? We looked around but could not find his mate.

Another group of unfamiliar creatures was hiding in a crevice. The squat lobster is also not common in Mauritius, so it was wonderful to fine a pair of them hiding in a hole, edging their way tentatively out to find a midnight snack.

I get excited by anything unfamiliar, and that night I saw at least 5 creatures I have never seen in over 1500 dives worldwide. There was a slipper lobster, a finning marbled electric ray, a baby two spot lionfish, proudly spreading his colourful fins, a spot backed crab and a giant coral crab that must have been at lead 500mm across the shell.

Suddenly out of the darkness appeared an extraordinary spider like creature which we later identified as a decorator crab. He uses his sticky spit to attach shells, seaweed and small anemones to his back and legs, and looks like something out of a bad sci-fi movie.

After 50 minutes of dramatic exploration, it was time start ascending, torches firmly lit and pointing down. This time, we had to leave them switched on in case someone dropped one as they are huge and quite costly. We each carried a smaller pocket torch in case of failure, so night diving is always about being doubly safe.

When we got back to the dive centre, Lorenzo from the restaurant next door had prepared a Mauritian feast for us which he served at the dive centre and we sat around the de-briefing table at the Dive Centre drinking Phoenix beer and South African wine, identifying our finds and chatting. It was one of the best dives I have done in Mauritius and I hope to make it the first of many.


Words Jill Holloway

Pics Jill Holloway

Copyright Ocean Spirit

www.osdiving.com

Jill Holloway lives in Mauritius and at Sodwana Bay Isimangaliso Wetland Park in South Africa. A PADI qualified Nitrox diver with over 1,500 dives, she is a passionate observer and preserver of the marine environment, and has a database of over 35,000 fish pics and hundreds of Gopro videos on fish behaviour, which she shares with her readers.

Marine Life & Conservation

Paul Watson Released as Denmark Blocks Japan’s Extradition Bid

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Renowned anti-whaling activist Paul Watson has been released from custody in Greenland after spending five months in detention. Denmark’s Justice Ministry rejected Japan’s request for his extradition, citing insufficient guarantees that his time already served in custody would be credited against any potential sentence.

The 74-year-old Canadian-American was arrested on July 21 in Nuuk, Greenland’s capital, when his ship docked to refuel. His arrest was based on a 2012 Japanese warrant related to a 2010 encounter in Antarctic waters. Japan alleged Watson obstructed operations and caused damage to a whaling research ship during efforts to disrupt illegal whaling. Watson has consistently denied these claims, maintaining his commitment to marine conservation.

Denmark, which oversees extradition matters for Greenland, concluded that while the legal conditions for extradition were met, the lack of assurances from Japan regarding time-served credit made extradition untenable.

In a video shared by his foundation, Watson expressed gratitude and relief, saying, “After five months, it’s good to be out… and good to know they’re not sending me to Japan.” He added that the most difficult part of his time in custody was being separated from his two young sons.

Watson is a pioneering figure in marine conservation, known for founding the Captain Paul Watson Foundation in 2022 after decades of activism with the Sea Shepherd Conservation Society. His bold efforts to defend marine life have earned him widespread support, including from celebrities and conservationists. His work has also been featured in the acclaimed reality TV series Whale Wars.

Watson’s lawyer, Jonas Christoffersen, praised the decision, stating, “We are happy and relieved that Paul Watson is now free.” He added that Watson is eager to reunite with his family and continue his vital work.

The arrest occurred while Watson’s vessel, the M/Y John Paul DeJoria, was en route to the North Pacific with a team of 26 volunteers to intercept a Japanese whaling ship. His foundation described the arrest as politically motivated and emphasized that Watson’s actions were focused on ending illegal whaling practices.

Japan resumed commercial whaling in 2019 after leaving the International Whaling Commission, asserting that whale meat is a cultural tradition. Conservationists, however, continue to challenge these practices, highlighting their impact on marine ecosystems.

Despite the challenges, Watson remains steadfast in his mission to protect marine life and bring attention to whaling practices. His dedication to ocean conservation has made him a globally respected advocate for the environment.

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Marine Life & Conservation

12 Days of Zero-Waste Fish-mas

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This holiday period, the Marine Conservation Society, the UK’s leading ocean membership charity, invites you to make some simple changes to eating fish this Christmas to help our seas.

Dr Kenneth Bodles, Head of Fisheries and Aquaculture at the Marine Conservation Society, said, “During the festive season, our consumption increases, but so does waste. Sustainability isn’t just about where food comes from – it’s also about how you use it. By reducing waste and making the most out of your seafood, you’re not only taking steps to be more ocean-friendly, but can also help to cut costs during what is often one of the most expensive times of the year”.

The Marine Conservation Society has compiled twelve tips on how to consume seafood sustainably with zero-waste this Christmas:

Buy whole fish instead of fillets

Instead of fillets, consider buying whole fish such as salmon, hake, or lemon sole. By adopting a “nose to tail” approach with cooking, whole-baked fish not only feeds a crowd, but also helps to minimise waste and maximise sustainability by using up every part of the animal, including bones, skin, and fat.

Make fish stock

Leftover fish bones or shells can be put to good use by boiling them to make a nourishing fish stock or bisque. This can be frozen and preserved for later use and makes for a flavourful base in a soup.

Make your own fish pâté

Avoid waste by turning leftover fish, such as smoked mackerel or salmon, into a delicious pâté by blending with cream cheese and lemon. Perfect when paired with crackers.

The sustainability of salmon and mackerel varies depending on where and how it is caught or farmed. For more information on green-rated options, check the charity’s Good Fish Guide.

Buy frozen

By purchasing seafood that is frozen or vacuum-packed, this helps to reduce waste by extending the shelf life of your food.

Fish pie

If you’re wondering what to do with leftover cooked fish, why not opt for a classic fish pie with mashed potatoes, leeks, and a cheesy sauce? A sure crowd pleaser on Boxing Day.

Use the head

Don’t forget the fish head! The meat is incredibly tender and flavourful. The charity recommends a cod’s head curry or recreating Fallow’s renowned cod’s head in siracha butter.

By stretching your ingredients further, not only is this a more sustainable way to enjoy seafood, but also cost-effective by repurposing leftovers and cooking creatively.

Boxing Day brunch

Mix leftover kippers or smoked salmon with scrambled eggs for a tasty, zero-waste, Boxing Day brunch.

For best choice, make sure you buy kippers, or herring, from the North Sea and the North Irish Sea.

Zero-waste storage

A top tip from the Marine Conservation Society to avoid waste is freezing fish offcuts to save for future use.

Crisp up the skin

Even leftover fish skin can be turned into a quick savoury snack by crisping it up in an air fryer with a little olive oil and salt.

Anchovies two ways

Leftover anchovies can either be blended with butter to make a delicious anchovy butter or tossed into pasta for a hit of umami flavour.

The charity recommends opting for anchovies caught in the Bay of Biscay for best choice.

Fishcakes

For an easy, zero-waste meal, leftover seafood trimmings can be mixed with mash and fried in breadcrumbs to make fishcakes.

Pickled mussels

Try pickling mussels in 1:1 vinegar and water, with a dash of sugar for a sustainable, zero-waste snack that can be enjoyed well beyond the festive season.

Mussels farmed in the UK are a seafood superhero. Grown using low-impact methods and harvested by hand, they get all the food they need from the sea around them. This makes them one of the most sustainable, ocean-friendly, and cost-effective seafood options.

Players of People’s Postcode Lottery have raised £6.6M towards the Marine Conservation Society’s vital work in making seafood more sustainable.

Laura Chow, Head of Charities at People’s Postcode Lottery, said: “Fish is a festive favourite for many, but making sustainable choices when it comes to how we buy and eat seafood makes all the difference for our ocean. Support from players of People’s Postcode Lottery has helped the Marine Conservation Society further its sustainable seafood work, so that we can all enjoy healthier, better protected seas.”

The Marine Conservation Society encourages you to make sustainable seafood choices a year-round habit, not just for Christmas. To check how sustainable the seafood on your plate is, you can visit the charity’s Good Fish Guide. The Guide helps consumers and businesses identify the most sustainable seafood using a simple traffic light system, based on where and how species are caught or farmed. Green is the best choice, amber means improvements are needed, and red indicates fish to avoid buying.

Zero-waste gift idea

Why not embrace a zero-waste Christmas by gifting a membership to support marine conservation? It’s a meaningful, low-waste gift that helps protect our ocean for generations to come. Memberships start from as little as £5 a month – the price of a sandwich and drink from your local coffee shop.

Find the latest sustainable seafood advice for wild-caught and farmed seafood on the Good Fish Guide, downloadable to your phone from www.mcsuk.org/goodfishguide.

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