A great white shark was found torn apart, and its bite marks pointed to something far larger lurking beneath. The massive predator, already an apex of the ocean, had been ripped open in a way experts couldn’t immediately explain.

Scientists studying great white sharks off Guadalupe Island, approximately 150 miles from the coast of Baja California, Mexico, documented an unusual injury on an adult female shark in 2024. The roughly 15-foot shark carried a large, healed circular scar around her torso, just behind the pectoral fins. The wound measured about 42 inches across, a size larger than the shark’s own head from snout to…