This is the terrifying moment a shark swam up on two unsuspecting snorkellers ... a man and a woman can be seen exploring a reef on a quiet side of the beach. But they appear to have no idea ...

This is the shocking moment a woman in a 'mermaid contest' was mauled by a shark while swimming in a Chinese aquarium ... As the woman - named Ms Li - starts to swim up to the surface the shark ...

But was this apex predator simply a beefed-up great white shark, and is it still lurking in the ... easily big enough to swallow two adult people side-by-side. These jaws were lined with 276 teeth, ...