Great White Shark 'Deep Blue,' Thought to Be World's Biggest, Caught on Camera off Oahu

Playing Massive Great White Shark Spotted Off Hawaii Coast

Some divers in Hawaii are gonna need a bigger boat.

A nearly 20-foot-long shark named "Deep Blue," believed to be the largest great white shark on record, was filmed Tuesday in a rare sighting off the coast of Oahu, swimming right up next to some divers.

The 50-year-old beast is seen in the video gliding through the water with its massive fins, flashing its razor-sharp teeth for the camera.

Ocean Ramsey, a marine biologist and swimsuit model, got to check out Deep Blue up close, petting the shark and even holding its fin. She spoke to Inside Edition about the close encounter.

"She was one of the most gentle great whites I have ever encountered," Ramsey said. "And I've been working with great whites for over 10 years. She's just like a big grandma shark. And by big, I mean massive."

Ramsey told the Honolulu Star-Advertiser that she and the divers spotted Deep Blue while watching other sharks feed off the carcass of a sperm whale offshore.

"She was just this big beautiful gentle giant wanting to use our boat as a scratching post," Ramsey said. "We went out at sunrise, and she stayed with us pretty much throughout the day.”

The scientist added that the animal is "shockingly wide" and may be pregnant.

Great whites grow to an average length of 15 feet, according to National Geographic. They are the largest predatory fish in the world and typically found in cool, coastal waters.

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