"It's a dramatic spike, but it's not yet cause for alarm," Gavin Naylor, director of the Florida Museum of Natural History's shark research program, cautioned.
The tiger shark responsible likely measured over 13 feet in length.
The last time Australia saw more shark attack deaths than this year was in 1929.
The woman tried to pull her husband up into their boat but she was unable to and "he sank beneath the waves."
The shark responsible for the attack was a blacktip—a species that can grow up to 6.5 feet in length.
The man's pregnant wife jumped in the water to rescue him after the attack, which took place around four miles from land.
The woman was treated by medical staff for injuries including multiple puncture wounds and lacerations to her shoulder.
Chris Black, an Australian shark expert, said the attack was a "freak incident."
Eyewitnesses believe the shark was a great white, although this has not been officially confirmed.
A German tourist has suffered severe leg injuries in a possible shark attack on a beach in southern Thailand.
A 26-year-old surfer has suffered a foot injury "possibly from a shark" off the coast of North Carolina, local authorities have reported.
Christian Mariani was apparently waist-deep in the water at a beach when he was bitten on his right foot.
Shark attacks 19-year-old surfer off the coast of North Carolina as he swam in the water with his brothers.
"Deep Blue Sea 2" will feature smart bull sharks with "villainous" personalities.
Behind great whites, tiger sharks have been implicated in the most unprovoked attacks on humans.
Mick Fanning had to be pulled from the water in South Africa.
A majority of the attacks took place in the U.S.
The man lost a leg in the attack and is lucky to be alive, doctors say.
This is the first observed shark attack in the bay.
There wasn't much left of the sea lion.
The otters may taste like the "low-fat version of a brownie," one scientist says.