Mauritius is the world’s largest Oceanographic state, and owns the fishing rights to most of the Indian Ocean. And its world famous coral reefs are dying…
In 2017, Mauritius renewed the Europeche agreement with the EU.
Mauritius does not have the policing resources to protect its territory, so under this agreement, the EU is responsible for protecting the Mauritius territorial waters in exchange for fishing rights.
Initially the EU Nations agreed to process their fish in the Princes Tuna plant in Port Louis while Mauritius reserved the right to catch its own fish in its own waters. Sadly, certain countries found it cheaper to take the fish to their own factories, leaving Princes Tuna idle for part of the year.
In 2002 Japan built a fishermen training centre in Point aux Sables, and began to train Mauritius fishermen in trawler fishing.
The owners of Princes Tuna Ireland, Blythe Limited (IBL) – an internationally listed company – expanded their fish processing plant in Port Louis. The Mauritius Government extended the Port Louis harbor.
In 2018, Japanese lend-lease trawlers arrived to catch tuna for processing in the Princes Tuna factory.
The slaughter began, together with the destruction of the livelihoods of thousands of Mauritius citizens who had no idea what happened to their marine based businesses.
Stories of holds full of sharks, marlin, bill fish and sailfins were told in the dive centre by shocked divers with jobs in the harbor who were appalled at the slaughter. Baby sharks are openly sold in the Port Louis market.
There is nothing in the agreement that abrogates EU responsibility for indiscriminate fishing under the Europeche contract.
The Knock on Effect
The subsistence fishermen who catch fish for the local market for companies like Bella Amigo can no longer catch pelagic fish and tuna. They are now netting reef fish.
Sadly the fish they are selling are the fish that eat algae and the new born corals are smothered in five different species of algae.
Diving in the North of Mauritius is still superb with healthy reefs, growing corals and plentiful fish life. There is easy access to the Northern Islands, where the reefs are still thriving.
It is extremely satisfying to honour the 23 fishermen in the North who stopped fishing and took the Mauritius Government incentive of Rs 450 000 to give up their nets and Rs 250 000 to surrender their licenses and thereby allowed the Northern Reefs to re-grow.
Perhaps if this incentive was increased the rest of the Island there would be less problems. Fishermen, who are now struggling to meet their quotas are given a higher incentive, possibly a pension, and the right to apply for jobs as skippers or to enter other marine industries which will allow the reefs to regenerate.
Our Marine Biologist says this:
“Species diversity is crucial. Sadly the fish species that are being targeted are crucial to reef survival.
While parrotfish are especially important for reefs, a variety of herbivores are needed to help control algal growth. For example, surgeonfish eat algae that parrotfish do not like.
Grazers include most rabbitfishes, butterflyfish, small angelfishes (all Centropyge species), and many species of surgeonfishes (all Zebrasoma and Acanthurus species except those that feed exclusively on plankton or are grazers/detritivores). Grazers/detritivores include Acanthurus species that feed on a combination of epilithic algal turf, sediment and some animal material.
Grazers regulate the effects of unwanted algal blooms resulting from phosphorus pollution in marine ecosystems.”
Permits Allowing the Removal of Reef Fish from the Reefs
The Ministry of Fisheries allows 10,000 reef fish per year to be collected around Mauritius for commercial purposes. There are so few reef fish left, this seems unbelievable.
For 10 years one family collected on a permit. Their offtake was very small, and mainly for local hotel marine aquaria and the local aquarium.
In 2014 they partnered with German acrylic tank builders SCHURAN where they appeared in a German Aquarium show. They were so successful that they removed most of the fish around Trou Biches in the North.
This year they tell me that could only find 4000 reef fish, in and around Trou Biches, an area where corals were already under stress.
I spoke to the CEO of SCHURAN, who had been told that there were no more fish, that the corals were dead and the probable cause was global warming.
In fact Mauritius is one of the few coral centres where global warming has had no major impact, in comparison to other parts of the world. Sea temperatures in general have not risen above 29ºC, not even in the lagoons. The sea is too cold and the upwelling from the deep ocean provides an exceptionally healthy environment for its reefs. Healthy reefs are resilient when they experience temporarily ocean temperature rises, following a tidal surge for instance. They may suffer, but they will survive and recover quite fast. The reason that the Mauritian reefs are dying is probably due to a combination of causes – the major one being overfishing.
The CEO of SCHURAN was horrified to learn that the problem was in fact overfishing. At some personal cost, he and his partners have established a company called Reef for Life which is now training staff to grow corals, which can be planted in the lagoons and assist the recovery.
Allowing fishing with nets across coral reefs is a potential financial disaster. When Mauritius loses its reef fish and corals, it might well lose 50% of its tourists. Divers don’t dive to watch algae encrusted reefs slowly dying. Photographers come to film rare reef fish in their natural habitat. Tourists don’t snorkel to look at bare rocks. Divers want to see lots of fish. Tourists want to snorkel in healthy lagoons filled with corals and fish.
Divers and snorkelers will be diving in Bali, in Indonesia and Malaysia, in Raja Ampat, in the Red Sea, in the Maldives. These are countries where the governments protect their coral reefs and the fish that inhabit them. Their problem is in fact global warming, which is not a problem in Mauritius so far, and the Island might well become a last bastion of healthy coral growth if climate change accelerates.
Mauritius has an excellent conservation record, and this catastrophic loss of reef life can immediately be stopped by invoking the existing legislation to protect the reefs.
Reef fish are prolific breeders, and the reefs will quickly recover, given a chance.
The EU should police the catches of the Japanese trawlers.
The trawlers should be encouraged in the middle of the Indian Ocean where they should be monitored and allowed to take only what their licenses allow. Currently they have been seen fishing within the 30 nautical mile areas, where their impact is catastrophic.
I am filming millions of minute fish hatching on the reefs at the moment. If they are allowed to grow and breed, they will clean up the reefs.
The ocean looks after itself if it is left alone.
Words: Jill Holloway
Copyright Ocean Spirit – www.osdiving.com 2019
Images: Jill Holloway and Thomas Vignaud
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Quick Scuba Tips #1: How To Prep A New Mask for Scuba Diving (Watch Video)
How To Prep A New Mask for Scuba Diving. Can’t I just take my new mask diving straight out of the box? Well, actually, no. It needs a little work to make it dive ready.
In this, the first in our new scuba diving quick hints and tips series, I’m going to show you how to prepare a new mask for scuba diving with three quick techniques, all aimed at stopping your scuba mask from fogging.
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Dive safe, dive often!
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