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.
Marine biologist Ingrid Visser told Newsweek the fish is likely to have been attacked while hooked on the line.
The huge Atlantic tuna was caught, tagged, and released after delighted girl Izzy Crotty fought hard to catch it.
"I don't know of anyone who has caught a bigeye of this size this year," deck-hand London Rosiere told Newsweek.
"It was sort of alarming but also very frustrating because I worked hard to catch that fish," fisherman Connor told Newsweek.
Fisherman Nick Morris told local broadcaster KHON2 the great white was between 17 and 19 feet long.
A suit filed in San Francisco alleges that lab tests found Subway's tuna contained other animal proteins including chicken, pork and cattle.
"NEVER order breakfast," says the TikToker in her controversial video. "Only god knows how old those eggs and sausages are."
The fast food chain is currently embroiled in a lawsuit over what their tuna consists of, following DNA analysis.
A man spent nine hours reeling in a massive 876-pound bluefin tuna fish that smashed local fishing records.
One revelation in Netflix's "Seaspiracy" that has shocked viewers is the claim that "dolphin friendly" labels on cans of tuna are not guaranteed.
Speaking about recent protests sweeping the country, the president said: 'They're walking up there like 30 cans of soup. They have like 25 cans of tuna.'
The 400-pound fish was caught in New Jersey waters on May 16, 2020. Ocean County Sheriff 911 have shared photos of the fisher with his giant catch.
The crew were losing hope they would see Atlantic bluefin tuna when they caught the monster fish.
Scientists believe a lack of the vitamin could be associated with abdominal fat storage.
Activists say overfishing will have devastating consequences for the species.
The president of the Japanese restaurant chain Sushi Zanmai is now the proud owner of a whopping 441-pound bluefin tuna.
New research shows that the BP spill damaged the DNA of killifish living in the Gulf of Mexico.