Yet, prehistoric sharks had even crazier ... have grown to be about a meter in length. This shark also looked quite a lot like modern-day eels, hence its name. The most interesting about this ...

EvolutionIncarnate, CC0, via Wikimedia Commons 15 million years before movies like Jaws and Open Water gave swimmers the heebie-jeebies, a prehistoric shark species called Otodus megalodon reached ...