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July 17, 2018

Nat Geo WILD ‘Shark Map’ illustrates the UK’s shark hotspots.

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Hammerheads, blacktips and sand tiger sharks could be heading to UK shores and may inhabit our coastal waters in the next 30 years according to new research released today.

The new study to celebrate Sharkfest on Nat Geo WILD, reveals Britain’s current and future shark population. It predicts that with the rise of sea temperatures and the impact of climate change we could see non-indigenous species of sharks from the Mediterranean making their way to the British coastline by 2050. 

Nat Geo WILD specially commissioned Dr Ken Collins, former administrator of the UK Shark Tagging Programme and Senior Research Fellow at the University of Southampton, to map the future of Britain’s shark population to celebrate the start of Sharkfest, a week-long series of TV programming dedicated to sharks. Featuring jaw-some specials and capturing never before seen shark behaviour, Sharkfest aims to raise awareness about these incredible creatures.

The new ‘Shark Map of Britain’ released today estimates that there may be currently over 10 million small sharks and 100,000 larger sharks in British waters, as well as some 40 different species, including Thresher, Basking and Nursehound sharks. 

Dr Ken Collins, Senior Research Fellow University of Southampton, based at the National Oceanography Centre, Southampton and former administrator of the UK Shark Tagging Programme, said:

“It’s likely we will be seeing more sharks spread from warmer regions such as the Mediterranean Sea towards our waters in the UK over the next 30 years. These include the likes of Blacktips, Sand tigers and Hammerheads, which are currently found swimming off the coasts of Spain and Portugal.”

The ten new species of sharks that could inhabit British waters by 2050: 

  1. Great Hammerhead (Sphyrna mokarran) – the largest species of Hammerhead, currently found in the Mediterranean, southern Spain/Portugal, Atlantic coast of Africa, North America, Caribbean, South America, and the Indian and Pacific Oceans
  2. Blacktip shark (Carcharhinus limbatus) – currently found in the Mediterranean, southern Spain/Portugal, Atlantic coast of Africa, North America, Caribbean, South America, and the Indian and Pacific Oceans
  3. Sand tiger or Spotted Raggedtooth shark (Carcharias taurus) – currently found in the Mediterranean, African coasts, Atlantic coasts of USA and South America, Australia and South East Asia
  4. Bigeye Thresher (Alopias superciliosus) – currently found in the mid-Atlantic, northern Spain, Indian Ocean, Pacific Ocean
  5. Longfin Mako (Isurus paucus) – currently found in the mid-Atlantic, northern Spain, Indian Ocean, Pacific Ocean
  6. Bronze Whaler or Copper shark (Carcharhinus brachyurus) – currently found in the Mediterranean, southern Spain and Portugal, Atlantic coast of Africa, Atlantic coast of South America, and both sides of the Pacific coast
  7. Oceanic Whitetip shark (Carcharhinus longimanus) – currently found in the mid-Atlantic, northern Spain, and the Indian and Pacific Oceans
  8. Silky shark (Carcharhinus falciformis) – currently found in the Mediterranean, southern Spain/Portugal, mid-Atlantic, Indian Ocean, and both sides of the Pacific coast
  9. Dusky shark (Carcharhinus obscurus) – currently found off the coasts of Spain and Portugal, and off the Atlantic coast of Africa, North America, Caribbean, South America, Indian Ocean and Pacific Oceans
  10. Goblin shark (Mitsukurina owstoni) – currently found off the Atlantic coasts of France, Spain, Portugal and Africa, and in the Indian Ocean off the coasts of New Zealand and Japan

 Cornwall has been named as the UK’s current shark capital with at least 20 species found off the coast, followed by the Scilly Isles and Devon.

Current species indigenous to our waters such as the Basking, Thresher and Nursehound are declining in numbers due to over-fishing and other pressures so need to be protected, says Dr Collins.

Dr Collins added: “There is considerable debate as to whether we have Great White Sharks in UK waters. I see no reason why not – they live in colder waters off South Africa and have a favourite food source, seals along the Cornish coast. The only argument against there being Great White Sharks in our waters is that numbers worldwide are declining so the chances of seeing one around the UK fall year by year. Though while the potential number of shark species around the UK may increase in the next few decades, the overall number of sharks (especially the larger ones) will fall as a result of overfishing, plastic waste and climate change. It’s really important we work together to prevent a premature extinction of these wonderful creatures.”

Britain’s top ten locations for shark spotting:

  1. Cornwall
  2. Scilly Isles
  3. Devon
  4. Isle of Wight
  5. Pembrokeshire
  6. Caernarfonshire
  7. Anglesey
  8. Isle of Man
  9. Argyllshire
  10. Inverness-shire

Nat Geo WILD installed shark information points on Treyarnon beach in Cornwall this week to educate beach goers about the array of amazing marine life in our ocean and dispel myths about sharks.

A Nat Geo WILD spokesperson commented: “Nat Geo WILD loves sharks! For too long these magnificent creatures have been portrayed in a strictly-one dimensional way, as terrifying predators.  Sadly, now many species are under threat. That’s why we are bringing viewers Sharkfest, a whole week of fin-tastic shark TV. We follow the top scientific researchers as they dive down into the deep, discovering unseen shark behaviour never before caught on camera, and revealing the true awe-inspiring nature of sharks.”

Nearly 8 in 10 (79%) recent shark sightings in the UK have been of the basking shark, although three sightings of blue sharks have been reported in the last two years off the British coast, as well as two sightings of porbeagle sharks, which are often mistaken for Great Whites. Cornwall is the place where you are most likely to spot a shark, with 25 of UK sightings in the past two years taking place here.

In a survey of 2000 British adults by Nat Geo WILD to celebrate Sharkfest, it was found that four in ten Brits admit to suffering an irrational fear of sharks while swimming in the sea.

And with a potential infiltration of sharks on the horizon, more than three quarters of Brits think we’re likely to see shark surveillance and prevention techniques, such as shark nets and shark spotting drones, being used off British coasts in the future.

Despite there being 40 different species of shark currently passing through British waters, more than half of British respondents can’t name more than two types of shark, while 11% can’t name even one shark species. Meanwhile, over 8 in 10 Brits think sharks have been given a bad reputation by the Hollywood film industry.

Nat Geo WILD’s Sharkfest, the number one destination for incredible shark shows, is back this year to raise awareness about the fascinating and thrilling nature of sharks.

This year Sharkfest kicks off with 700 Sharks, which follows the largest school of sharks in Polynesia, as a team of international scientists study them at night when they’re most aggressive. The brave team are rewarded as they capture incredible new behaviours never seen before or caught on camera.

This is followed by Shark Vs. Tuna, which depicts a clash of oceanic titans, breaking down why sharks are the apex oceanic predator.

Finally, Big Sharks Rule reveals expert insight as to why the world’s biggest shark species congregate in one region called “shark central” off the coast of South Africa.


Nat Geo WILD’s week-long Sharkfest premieres Monday 16th July and lasts until Sunday 22nd July


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