There were eight fatalities in Australian waters in 2020, up from none the year before and one in 2018.

There haven’t been six or more deadly shark attacks since 1934. Five years earlier, in 1929, nine people were killed.

International researchers found there were 57 “unprovoked” bites globally last year, down from 64 the year before.

But it was the deadliest year since 2013, with 10 fatalities worldwide, according to the International Shark File.

The Australian Shark Attack File reported there were 22 unprovoked incidents last year, plus four provoked incidents.

This is down from 23 incidents the year prior.

Academics described the spike in deaths as “dramatic” but said there was no cause for alarm.

“We expect some year-to-year variability in bite numbers and fatalities. One year does not make a trend,” International Shark File researchers said.

The ongoing coronavirus crisis may have played a part in reducing shark attack figures given it had been a slow year for tourism.

According to the International Shark Attack File, great whites were involved in at least 16 “unprovoked” attacks in 2020, including four fatalities in Australia.

Shark research expert Gavin Naylor said while the nation was hard hit with deaths last year, the total number of bites was not unusual.

“It’s just that the fraction of bites that resulted in fatalities was higher,” he said, noting the severity of a shark attack depends on the species involved.

“A blacktip can give you four stitches, while a nibble from a white shark can remove your leg.

“They’re supremely better swimmers than humans, and they’ve got a nasty set of choppers at the front.”

Researchers said there was no evidence that sharks actively hunt humans and were simply curious.

It has been a year since experienced diver Gary Johnson was mauled to death by a shark near Esperance in Western Australia.

Months later Zachary Robba was killed on the Great Barrier Reef.

Rob Pedretti was surfing in northern NSW when he was bitten by a shark in June, and a teenager surfing on the north coast also died after a shark bite in July.

Nick Slater was killed in an attack while catching waves on the Gold Coast in September.

Shark attacks on surfers are considered “unprovoked” but spearfishing is not.

A 36-year-old man died from an attack in July last year while he was spearfishing on Queensland’s Fraser Island.