Scientists describe the first observation of a white shark attacking and killing a humpback whale, following a sighting in Mossel Bay, South Africa.
Marine research group OCEARCH have been tracking Unama'ki's progress since she was tagged in Nova Scotia last year. She has spent most of her time since in the Gulf of Mexico.
The shark, believed to be a hammerhead, appears unfazed by the presence of the surfer and is later spotted diving back into the ocean.
Unama'ki has been in the Gulf of Mexico since October and now appears to be inching closer to the Florida coast. Researchers hope she will lead them to a new white shark nursery.
Video footage taken by diver Jim Cocci shows footage of the great white shark, believed to be a pregnant female, during a dive on Tuesday.
OCEARCH's shark tracker shows a large group of great white sharks congregating around the Carolinas in the Northwest Atlantic Shared Foraging Area.
Footage shows 20 sharks as they wait for pipis to emerge from the sea on Torres Strait beach on Mer Island, Australia.
"It took the catch bag of fish right out of my hand narrowly missing my arm," one spear-fisherman said. "I unhooked it from myself whilst the shark was thrashing around and let him take it."
"I think his whole foot was in the shark's mouth, and you could see the bite mark on the top and bottom of his foot," said a friend of the victim. "Must have been maybe a five or six-foot shark."
This picture of Snooty the lemon shark was taken by Galice Hoarau and submitted to the 2019 Ocean Art Underwater Photo Competition.
Cameron Grace, 17, saw the fish getting close to the swimmers in Forster, New South Wales, Australia.
A 26-year-old surfer has suffered a foot injury "possibly from a shark" off the coast of North Carolina, local authorities have reported.
Birighitti went missing on January 2, 2020 after his body was swept to sea. A body discovered this week has been identified as the 21-year-old college soccer player.
"She had a confrontation with what we believe is a lemon shark and managed to get her foot into the shark's mouth somehow," a LifeFlight rescue team spokesperson said.
Investigators said the incident took place close to Cull Island near West Beach in the Shire of Esperance in Australia. Rescue officials said they are "still searching the ocean for the victim."
The great white shark is a protected species in New Zealand and hunting, killing or harming one is punishable with a fine of up to 250,000 New Zealand dollars and six months in prison.
The group on a charter boat off Broward took an hour to reel in the 13-foot fish before releasing it.
Jesse Gibson said he and his friend James Powley were fishing off the coast of Yallingup in Western Australia when they came across the floating carcass of a sperm whale.
Authorities said the man, who is in his 30s, was bitten on the leg while in waters off the coast of North West Island in Queensland, Australia.
The remains of a person was found inside the stomach of a tiger shark caught off Réunion Island, near where a septuagenarian kayaker went missing earlier this month.
The video was shared by Arturo Islas Allende, who claims the company involved had not complied with safety regulations.
A 57-year-old man was 200 feet from the shoreline when a 10 to 12-foot shark decided to take a bite from his inflatable paddleboard, before chasing him and another man to shore.
Cretodus houghtonorum lived during the Late Cretaceous period, a time when a huge waterway divided North America.
Trackers went "crazy" over the weekend, says OCEARCH, a marine conservation nonprofit, as great white sharks migrated from Canada to the Gulf of Mexico for the winter.
Researchers have designed a material that blends ultra-high molecular weight polyethylene fibres (UHMWPE) onto neoprene, providing the possibility of light-weight shark-proof wetsuits.
A surfer had to be taken to hospital after a blacktip shark bit his right foot on Cocoa Beach Tuesday afternoon. He tells reporters he will be surfing again ASAP.
Orcas were dubbed killer whales after ancient sightings of them ganging up against other (frequently larger) whale species. More recently, they have also been known to attack and kill great white sharks.