This is anyone's worst nightmare, and thanks to these pranksters from America, this became a reality for unsuspecting beach-goers. Luckily, it was only a prank, but the beach-goers didn't know that!

Imagine its a beautiful day on the beach, youre soaking up the sun and enjoying the waves when suddenly, an ominous dark gray fin emerges from the water. This is anyone's worst nightmare, and thanks ...