White shark or large mako suspected in seal encounter off Cape Sable Island - Action News
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Nova Scotia

White shark or large mako suspected in seal encounter off Cape Sable Island

The shark attack occurred near the causeway to Cape Sable Island, at Nova Scotia's southern tip.

'It was as big as the boat I was in,' says fisherman

A still from the video James Nickerson took over the weekend that appeared to show a shark attacking a seal. (James Nickerson/Facebook)

Veteran fisherman James Nickerson was mackerel fishing at the Cape Sable Island causewayon Sundaymorning when he witnessed a primordial ocean spectacle:a large shark exploding out of the water, attacking a seal.

"The whole shark was out of the waterthe whole body. It was huge. It was a big shark," Nickersonsaid. "It was as big as the boat I was in, put it that way."

Nickerson grabbed a camera and captured the aftermathas the shark circled in foggy weather. Hepostedthe video on Facebook, whereithad been seen more than 45,000 times byMonday.

Experts weigh in

Warren Joyce, a shark technician for Canada's Department of Fisheries and Oceans, watched Nickerson's video.

"From the video, it's hard to make a clear identification. My two suspects are a large mako or white shark. They are both common in these waters this time of the year and they both take seals," Joyce said.

Joyce saidthere are about threeor fourwhite shark sightings eachyear off Nova Scotia.

If the attack witnessed by James Nickerson was a white shark, he saidit's the first sightingin 2017.

"They are here almost all year round. They are still rare. We don't see or hear of them that often," Joyce said.

Manuel Dureuil and Chris Harvey-Clark, researchers at Dalhousie University, also have opinions about Nickerson's video.

They agreea definitive identification is not possible, but both said in emails to CBC News the shark is most likely a white shark.

Harvey-Clark has also posted a video of a juvenile grey seal at Sambro Island that had survived an apparent encounter with a shark.

The video shows large bite marks on the seal's side.

A tagged shark?

In August, two white sharks tagged as part of a global shark tracking network were tracked off Nova Scotia.

A signal from Hilton, a male, was recorded in Mahone Bay on Aug19. Savannah, a female shark, was recorded Aug. 14on the Eastern Shore.

George, a three-metre great white shark, was detected earlier this month in the Bay of Fundy off Saint John, N.B. (Ocearch.org)

Joyce saidthe Cape Sable Island encounter could have been George,a tagged white shark last recorded off Saint John, N.B., in the Bay of Fundy on Aug9.

"It's possible that [George]could have come down, but I suspect it's one that hasn't been tagged," said Joyce. "That is the majority."

White sharks are a protected species in Canada. It is illegal to harm or harass them.

Joyce saidpeople should avoid seal colonies.