Rare footage shows an attack on a hammerhead shark by a tiger shark off the coast of Louisiana. A sport fisherman had gotten the hammerhead on the line only minutes before the other, much larger shark approached the fishing boat and seized its prey. Sport angler Ryan Willsea and his brother Aaron captured the footage using a selfie stick to submerge an action cam.
Read: Shark Attacks Shark in Dramatic Video
Learn more about hammerhead sharks:
Tiger Sharks: http://animals.nationalgeographic.com/animals/fish/tiger-shark/