Jordan, Nature, Climate Change, Conservation

Jordan, Nature

Jordan battles to save rare tiny Dead Sea carp

Jordan battles to save rare tiny Dead Sea carp

18/6/2021 12:21:00 PM

Jordan battles to save rare tiny Dead Sea carp

Jordan is racing against time to save a tiny rare fish from extinction as falling water levels partly triggered by global warming threaten to dry ...

WorldThe Dead Sea toothcarp - scientific name Aphanius dispar richardsoni - has been on the Red List of the International Union for Conversation of Nature since 2014. (Photo: AFP/Khalil Mazraawi)18 Jun 2021 04:52PMShare this contentBookmarkFIFA NATURE RESERVE, Jordan: Jordan is racing against time to save a tiny rare fish from extinction as falling water levels partly triggered by global warming threaten to dry up its last habitat.

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The Dead Sea toothcarp - scientific name Aphanius dispar richardsoni - has been on the Red List of the International Union for Conversation of Nature (IUCN) since 2014.AdvertisementAdvertisementThe IUCN warns that the"exploitation of spring waters and climate change" are major threats facing the 4cm-long silver-coloured fish.

"This fish is threatened with extinction at the global level. It is endemic here and does not exist elsewhere," said Ibrahim Mahasneh, the manager of the fish's last home, the Fifa Nature Reserve.Ibrahim Mahasneh, director of the Fifa Nature Reserve and member of the Royal Jordanian Society for the Conservation of Nature. (Photo: AFP/Khalil Mazraawi) headtopics.com

Lying some 140km south-west of Amman in the Jordan Rift Valley and 60km south of the Dead Sea, the area is the lowest wet reserve on Earth.AdvertisementAdvertisementEstablished in 2011, the nature park consists of some 20 sq km. It is located some 426m below sea level and is managed by an independent body, the Royal Scientific Society (RSS).

Even though the Hashemite kingdom is primarily desert, this area of wetlands is criss-crossed by streams and is home to a variety of plant and wildlife species including birds."We have a plan to save and breed this fish ... to create a natural habitat for it to breed and at the same time to mitigate the existing threat," added Mahasneh.

"The reserve is the last home for this endangered species of fish," said environmental researcher Abdallah Oshoush who works in the reserve.AdvertisementREAD: Vietnam's pangolin defender wins top environmental prize"PRECIOUS TREASURES"

The male fish also has a streak of blue along its sides, while the female has incomplete black stripes.It is not known how many still remain, but"monitoring programs have warned of a clear decline in the presence of this fish in recent years", Oshoush said. headtopics.com

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Among the environmental threats causing numbers to drop is the"lowering water level due to low rainfall and the change in its environment, as well as the presence of other fish that feed on it and its eggs".Abdullah Oshoush, an environmental researcher at Jordan's Fifa Nature Reserve, holds specimens of the endangered Dead Sea toothcarp. (Photo: AFP/Khalil Mazraawi)

Researchers are now preparing to open an artificial pond just for the toothcarp so that they can grow safely and their eggs are not devoured by predators. Each season, a female produces around 1,000 eggs.The aim is then to release the young fish back into the natural environment.

"In Jordan live two unique species of fish that do not exist anywhere else in the world. These are our precious treasures and they must be preserved for our ecosystem," said RSS spokesperson Salem Nafaa.Two decades ago the RSS, which was established in 1970, succeeded in saving the endangered Aphanuis sirhani fish in its only habitat in the Azraq reserve, about 110km east of Amman.

It got its scientific name from the Wadi Sirhan, which extends from the Arabian Peninsula to Azraq, but is commonly known in English as the Azraq killifish.Only about 6cm long, it is also silver, but the female is spotted while the male has black stripes. headtopics.com

READ: Two rare Javan rhino calves spotted in IndonesiaPREDATORS, BIRDS"In the year 2000, there were no more than 500 Azraq killifish in the oasis, which means it was on the verge of extinction," said Nashat Hmaidan, the director of the RSS Biodiversity Monitoring Centre.

"It was declining sharply, and it reached just 0.02 per cent of the number of fish in the oasis," he said, blaming other predatory fish and migratory birds as well as a fall in water levels.A specimen of the endangered Dead Sea toothcarp (Aphanius dispar richardsoni) swims at Jordan's Fifa Nature Reserve, some 140km south-west of the capital Amman in the Jordan Rift Valley. (Photo: AFP/Khalil Mazraawi)

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The RSS studied the fish's life cycle and determined that it needed shallow water to lay eggs, and should be isolated from other species for the best chance of survival."We collected 20 fish over two years and put them in a concrete pond designated for breeding."

After the first fish were released back into the waters the team saw its presence had increased from 0.02 per cent to nearly 50 per cent. It"was a great success," he added.Twenty years on, the Azraq killifish accounts for almost 70 per cent of the fish in the waters. But he cautioned that the goal now is that the numbers should"never drop below 50 per cent".

Read more: CNA »

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