Over 750 fossilized shark teeth were found almost 18,000 feet below the ocean surface.
Mahone, who measures nearly 14 feet and weighs 1,701 pounds, was tracked roughly 42 miles from the North Carolina shore.
The predator was spotted following the boat full of tuna off Port Lincoln, in South Australia, an area teeming with sharks at this time of year.
"From the description of the incident, the victim is lucky not to have sustained more serious injury or worse," one shark researcher told Newsweek.
Great white sharks have declined in population worldwide by between 30 and 49 percent in recent decades, in large part due to overfishing and fishing gear.
The species is common in Canadian waters but it is very rare that they wash ashore. It has been happening more often recently.
Bob is one of the many animals tagged by OCEARCH, a non-profit ocean research organization that tags and studies sharks and turtles, among other species.
The orca washed up in the Netherlands with inflamed organs, teeth that were falling out, and a near-empty intestine.
The observation confirms the transboundary movement of the shark at a time when orcas continue to feast on the species in South Africa.
The gigantic shark measuring over 12 feet is about three miles off the coast, and traveling south on his annual migration for the winter.
"Sharks, when they bite, they don't just nibble, you know?" said Jasmin Diaz, who was involved in the survey that has revealed some surprising results.
"[This] highlights the fact that there may also be other interactions that we may not be aware of yet," marine biologist Stephanie Plön told Newsweek.
"I got home, downloaded footage, starting skimming it [and] was like WHAT....great white shark!" ocean photographer and kayaker Andy Burnell told Newsweek.
In a Facebook post, OCEARCH announced its first southbound shark of the year.
Since 2017, the beasts have fled from False Bay, near Cape Town, South Africa, after a pair of orca whales began tearing them apart to feast on their livers.
South Africa's National Sea Rescue Institute says there has been more shark activity than usual this year, although the attack was deemed "very unusual."
"[Whale] blubber has a high energy content," Stephen Kajiura told Newsweek. "You need big jaws to chomp through the side of a whale."
"That's a huge great white shark, oh my god," a man can be heard saying in the video, as the shark the size of a kayak continued to lurk in the water.
Video footage shows a pod of killer whales swimming near a boat in Canada, close enough to touch
It's the first time the shark has been seen in almost a year after researchers fitted it with an electronic tracking device.
Karren Sites was bitten on the arm by a shark at Myrtle Beach, South Carolina.
"Well at least you all could rest easy knowing he wasn't starving and on the hunt for boat morsels!" one commenter said.
Alison Towner who has been studying these killings since they began five years ago shared images of the latest kill on Facebook.
A South Carolina police officer said one of the swimmers had sustained a "bad bite" to the forearm.
Luke Pascoe was rescued by his best friend after the shark sank its teeth into his leg.
According to the website TrackingSharks, there have been 32 shark attacks in the U.S. in 2022, with no fatalities, as of August 16.
The shark was moving into waters about 40 miles off Virginia, previously pinging off North Carolina's Pamlico Sound and off the coast of South Carolina.
The shark, known as Breton, is lurking approximately 60 miles offshore from Myrtle Beach in South Carolina.
Rosie the shark was discovered in an abandoned wildlife park, in toxic, green sludge, before Tom Kapitany rescued her.