This researcher wasn’t safe from great white shark

A sign warns beachgoers of the presence of great white sharks at Lighthouse Beach in Chatham

Julia Cumes for the Boston Globe A sign warns beachgoers of the presence of great white sharks at Lighthouse Beach in Chatham

"Did you see that?"

The boat's captain can be heard saying, "Holy crap!" It opened its mouth right at my feet...

He said: "Did you see that?"

National Seashore staffers spotted the shark just after 11:30 a.m. and posted a red flag warning, according to the Atlantic White Shark Conservancy's Sharktivity app.

A shark sighting in Truro Tuesday is keeping swimmers out of the water at two beaches.

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.

Skomal, the top shark expert in the Bay State, has encountered a number of sharks while working at the Massachusetts Marine Fisheries, a division of the state's Department of Fish & Game.

Katarina Zarutskie was holidaying in the Bahamas, with her boyfriend and his family when she made a decision to pose for a photo swimming with nurse sharks in the marina only for one of them to latch onto her arm and pull her underwater.

"While encounters like this one are rare, this video shows that they're certainly possible", said the conservancy's post.

Researchers from the Atlantic White Shark Conservancy got the shock of their lives when a great white breached the water right next to their research boat off the coast of Wellfleet.

A biologist attempting to observe a great white shark ended up getting a little too close for comfort.

We usually think of great whites being a quintessentially Aussie shark, but this chap was filmed off the coast of Massachusetts, US. "This is a good reminder of the importance of not becoming complacent and always staying vigilant when in or on the water".

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