The biggest male great white to be tagged in the western North Atlantic recently surfaced off the coast of Massachusetts, researchers said.

Contender is the largest male white shark ever caught, SPOT tagged, released and now studied in the North West Atlantic white shark population. The tag, which pings when the shark’s dorsal fin breaches the surface, will last for five years.

A marine research nonprofit say they have spotted their largest ever shark just off the coast of Nantucket. The massive cartilaginous fish—nicknamed “Contender” for its 13 feet, 9 inches and more than 16,