Killer whales can feed on marine mammals, turtles, and fish. In the Gulf of California, a pod might have picked up new skills that help them hunt whale sharks—the world's largest fish, growing up to 18 meters long.

A pod of killer whales has been spotted hunting the world's biggest fish, the whale shark, which is the first recorded case.

Whale sharks are gentle, filter-feeding giants, but orcas in Mexican waters were documented attacking the animals and devouring their livers.