VIDEO: One bite is all it took for a gargantuan grouper to eat a shark!

(WITI) -- A video posted to YouTube shows a goliath grouper devouring a shark in a single bite off the coast of Florida near Bonita Springs.

The user who uploaded the video says the grouper was circling the black tip 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.