Raw video: White shark's surprise breach caught on camera off the coast of Wellfleet, Massachusetts.
The video shows the shark suddenly fly out of the water, headed straight for the researcher's feet, sending him jumping backward.
This big fellow just appeared out of nowhere with his mouth wide open - it was like someone had opened a packet of Tim Tams in another room.
"Holy crap! It dove right out of the water!" yells the captain.
He said: "Did you see that?" "It jumped right out of the water".
It also emphasises how it is becoming increasingly essential to conserve these remarkable creatures to stop them following megladons into extinction.
Cape Cod has become an important aggregation site for the sharks, allowing viral research opportunities, particularly the fitting of locator tags to track their movements.
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The Boston Globe identified the man who was just inches from the shark's mouth as a MA state biologist named Greg Skomal.
Skomal is studying great white sharks, as they hunt for seals, as part of a collaborative research effort involving the Atlantic White Shark Conservancy and the Massachusetts Division of Marine Fisheries.
Video released Monday by the Atlantic White Shark Conservancy shows a great white breaching the water, coming within feet of a man using a GoPro to record video of the shark in the water.
"While encounters like this one are rare, this video shows that they're certainly possible", the scientists wrote.
Awesome footage shows a scientist's dangerously close encounter with a 12-foot great white shark. As Skomal looks around for the shark, it emerges from the water just beneath the metal pulpit.
State shark biologist Greg Skomal confirmed that two sharks spotted by SkyEye off the coast of Truro were in fact great whites.