I'm sure it's a fake, but these used to exist back in Prehistoric times. Their size is more than 25 meters (82 feet) and can eat a Great White with ease.

What the fucking hell is that fish O.O;
damn thats too big D: (note that the smallest one was swiming and rushed into it, lucky it havent be eaten ),
btw at first was think that "damn that shark is just too stupid to rush into a wall...then later saw it wasnt a rock lol