70 pups found inside dead shark washed ashore on Vancouver Island

Team of scientists from University of Victoria performed a necropsy on a shark that washed ashore

About 70 baby sharks were removed this week from the carcass of the bluntnose sixgill shark that washed ashore at Coles Bay in North Saanich.

In front of a curious crowd of onlookers, the autopsy, known as a necropsy, was performed by scientists from the University of Victoria’s Baum and Juanes laboratories.

RELATED: 10-foot-long shark washes ashore in North Saanich

The scientists took samples that they plan to investigate using chemical analyses called stable isotopes, back at UVic. This will show what the mother was eating in the period before her death and how this compares to the food consumed by her babies. Another department will also study the sharks’ stomachs and livers for the presence of micro-plastics.

The shark, known as a Hexanchus griseus, washed ashore on Feb. 5. One of the first people to investigate it was Brian Timmer, who is a student in the Juanes laboratory.

He said his team was granted permission from Fisheries and Oceans Canada to take samples.

RELATED: North Saanich mystery shark identified, UVic lab seeks to do necropsy

Experts thought the fact the shark was pregnant meant she died because of complications while she gave birth. Mother sharks are known to come into shallower waters to give birth and have large litters of 20 to 100 pups.

Geoff Osgood, studying for his PHD in sharks, counselled caution in coming to conclusions until further investigations had taken place.

He said that although this species of shark is thought to be common because they normally live in such deep water, there are many aspects of their behaviour and life that are unknown.

READ ALSO: Ratfish generates social media buzz on Vancouver Island

He was especially interested in their population numbers.

“We can take a look at how many pups are present,” he added. “It’s useful in understanding its growth rate, how quickly their populations can grow.”

“Right now, Canada has [this species] listed as ‘special concern.’ Because sharks, in general, are a very slow growing species, they take a long time to reach maturity, their gestation period is very long, and compared to other bony fish who can release millions of eggs at a time, it [the number of babies] is no where near the levels of millions at a time.”

READ ALSO: Rare ‘king-of-the-salmon’ washes up on Oak Bay beach

There has already been interest from across North America in the North Saanich shark. Researchers have fielded calls from Californian scientists looking to collaborate.

Timmer said the team is especially excited, as the research they conduct in the coming weeks will lead to a published scientific paper later in the year.

nick.murray@peninsulanewsreview.com

Like us on Facebook and follow us on Twitter

 

Just Posted

DW Poppy Sr. boys basketball defeats ACSS Totems rivals

DW Poppy’s Sr. boys RedHawks defeated ACSS Totems this Friday in a high-stakes basketball match.

VIDEO: All ages participate in Langley Hospice Historic Half marathon

Turnout was down, slightly, this year but donations are up

VIDEO: Vancouver Giants blank Rockets

Langley-based G-men take over top spot in the west

Langley Township goes high tech to spotlight local history

To mark the start of History Week, the Township has put out a new app all about the community.

Kodiaks begin best-of-seven series strong

The Kodiaks opened their quarter-final playoff series by defeating the Delta Ice Hawks on home ice.

VIDEO: Langley hosting high-flying fun at annual gymnastics tournament

Action runs Friday through Sunday at the Langley Events Centre fieldhouse.

B.C. athlete takes home gold in freestyle aerials at Canada Games

Brayden Kuroda won the event with a combined score of 121.65.

Pedestrian in serious condition after hit by car downtown Abbotsford

A youth was also hit, suffered minor injuries, police say

Cabinet likely to extend deadline to reconsider Trans Mountain pipeline

New round of consultations with Indigenous communities is coming

B.C. government provides $75,000 towards salmon study

Study looks at abundance and health of Pacific salmon in Gulf of Alaska

Murdered and missing honoured at Stolen Sisters Memorial March in B.C.

‘We come together to make change within the systems in our society’

UBC researchers develop inexpensive tool to test drinking water

The tricoder can test for biological contamination in real-time

Disgraced ex-Congressman Anthony Weiner released from prison

He was convicted of having illicit online contact with a 15-year-old North Carolina girl in 2017

Most Read