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.

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

Researchers have documented killer whales working as a team to prey on whale sharks in the Gulf of California.