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Habitat loss, overfishingand their fate as bycatch in fishing nets have threatened porbeagle shark populations. Northwest Atlantic porbeagle sharks are listed as vulnerable on the International Union for Conservation of Nature Red List of Threatened Species. The team pieced together several factors that indicated the shark had been eaten and the tag excreted by a larger predator that gobbled up the shark, Anderson said. Unusual suspectsPorbeagles belong to a family called lamnid sharks, which also includes great white sharks and mako sharks. Gutteridge, who was not involved in the study, agrees that a white shark is the most likely culprit.
Persons: , Brooke Anderson, ” Anderson, , Jon Dodd, Anderson, porbeagles, , porbeagle, James Sulikowski, Shortfin, chow, It’s, Adrian Gutteridge, ” Gutteridge, they’re Organizations: CNN, Marine Science, North Carolina Department of Environmental, International Union for Conservation of, Marine Stewardship Council, International Union for Conservation, Specialist Locations: Cape Cod, Massachusetts, Bermuda, Canada, New England, Atlantic
Just weeks before a pregnant porbeagle shark was expected to give birth, one of the two tracker tags marine scientists had placed on the animal floated to the surface near Bermuda. Of 11 porbeagle sharks researchers tagged, eight were pregnant, including this one. Before this, researchers didn’t think it was even possible that porbeagle sharks could be preyed upon, she added. The team’s original goal was to trace pregnant porbeagle sharks throughout their pregnancy and figure out where the creatures typically go to give birth. Porbeagle sharks are listed as vulnerable by the International Union for Conservation of Nature because they were overfished beginning in the 1960s.
Persons: , , Brooke Anderson, ” Anderson, Jon Dodd “, Anderson, Matt Davis, Davis Organizations: Arizona State University, Marine, NASCAR, Maine Department of Marine Resources, International Union for Conservation Locations: Bermuda, Cape Cod , Massachusetts, believability,
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