This video proves that the ocean can be a scary place!
YouTube user Gimbb14 posted this video saying a Goliath grouper devouring a four foot black tip shark in a single bite off the coast of Florida.
The user says the grouper was circling the shark before it snatched it up.
The Goliath grouper is the largest of the Atlantic groupers. The fish can grow to 8-feet long and up to 800 pounds.