When we swim in the sea there’s always a sensation of the unknown, and as you get further out into deeper water you start to wonder what is down there? In the depths, lurking below you, watching…then something brushes against you and you freak out for a moment before realising it’s just a piece of seaweed. But the sea is not our world, and there are many dangers in the water some people have been taken by one of them and never seen again, but others have lived to tell the tale. From the scuba diver who survived a shark attack to the rubber dinghy savaged by an awesome predator, here’s the 15 most dangerous ultimate close calls in the sea.

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