7-foot shark was eaten by even bigger shark, researchers suspect

A pregnant 7-foot porbeagle shark appeared to have been eaten by an even larger shark in what researchers believe is the first such evidence of the ocean hunter becoming the hunted.

Researchers captured the porbeagle shark near Cape Cod, Massachusetts, in late October 2020 and attached two tracker tags – one mounted on the shark’s dorsal fin to transmit its geolocation and a second tag, called a pop-off satellite archival tag (PSAT), that measures the temperature and shark’s depth in the ocean...