A tiger shark emerged from the sea and went to bite a diver's flippers just as she was about to jump into the water.
Footage captured on October 25 in Hawaii, US, shows Ocean Ramsey getting ready to launch off the boat.
A tiger shark, known as Queen Nikki, then emerges and shows off her set of teeth as she goes to nibble on the diver's flippers.
The filmer said: "The tiger shark featured in the video is called Queen Nikki and biologist conservationist Ocean Ramsey grew up diving with her and has dived with her for over 18 years,
"She knows her behaviour well so Ocean was laughing in the video unsurprised that Queen Nikki was reacting to the bright white colour on the bottom of her fins."
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