The mighty Megalodon once ruled every ocean, a 94-ton predator with teeth longer than a hand—but a terrifying discovery in Peru suggests something else was hunting in its exact waters. In 2008, researchers unearthed a skull belonging to Livyatan, a giant sperm whale with foot-long teeth and cognitive abilities advanced enough to hunt in coordinated pods.
Megalodon was the largest predator that ocean life ever produced, with some estimates placing its maximum length near 24 meters, or about 80 feet. It weighed as much as 94 tons and had a bite powerful enough to crack the skeleton of a whale. It appeared in the fossil record roughly 20 to 23 million years ago and survived for nearly 20 million years, with individuals possibly living 88 to 100 years…