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.
Last month, researchers from the Virginia Institute of Marine Science's Shark Survey were surprised when they caught a 2.6-metre shark only to watch as a 4.4m great white dived out of the water and took a bite out of it.
Shark breaching has been observed in Cape waters before, but usually in conjunction with feeding.
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.
Yet the sight of a 2,000lb great white shark breaching remains one of the holy grails of both scientific and nature watching.More news: Yacht in 1MDB scandal returned to Malaysia: PM Mahathir
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Such hunting manoeuvres can see a shark leap up to 12ft out of the water at speeds of 40mph.
Separately in MA, a great white shark, estimated to be 15-feet in length, attacked a seal in Cape Cod, sending surfers scrambling to shore. While encounters like this one are rare, this video shows that they're certainly possible.
In a video shot on King's boat and posted online Monday by the Atlantic White Shark Conservancy, a great white shark jumps out of the water underneath the boat's pulpit, where state shark biologist Dr. Greg Skomal stands.
"White sharks are wild and unpredictable animals", they said.
The group called it a good reminder of the importance of not becoming complacent and always staying vigilant when in or on the water.