Extreme swimmer Adam Walker from Nottinghamshire has been protected from a shark by a pod of dolphins.
The shark was lurking underneath him in the Cook Strait in New Zealand when the dolphins formed a protective ring around him, even after it had gone they stayed with him for another hour.
Adam from Kelham has become the only Briton ever to successfully complete the world's toughest open water challenge, Oceans Seven.
Only 4 people in the world have ever achieved this.
Adam's impressive list of watery conquests:
- English Channel, 21 miles (34km), July 2008 - completed in 11 hours 35 mins and sparking the ambition to swim the hardest seven oceans in the world
- Strait of Gibraltar, 8 miles (13km), July 2010 - completed in 9 hours 39 mins (British record) and the first Brit to swim from Spain to Morocco and back again
- Moloka'i Channel, Hawaii, 26 miles (42km), July 2012 - completed in 17 hours 2 mins after overcoming tiger sharks and first Brit to cross successfully
- Catalina Channel, US, 21 miles (34km) October 2012 - completed in 12 hours 15 mins in darkness and fog
- Tsugaru Strait, Japan, 12 miles (19km), August 2013 - completed in 15 hours 31 min, the first Brit to swim across the unpredictable channel through dangerous marine life
- Cook Strait, New Zealand, 16 miles (26km), April 2014 - completed in 8 hours 36 mins after being rescued from a 6ft shark by dolphins.
- Crossing the Irish Channel from Donaghadee, Northern Ireland, to Stranraer in southwest Scotland. In hypothermia-inducing water temperature and strong currents, a distance of 21 miles (34km)
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