VIDEO: the rare megamouth shark

In the 1976 the first megamouth ever was discovered off Hawaii when it got stuck on a sea anchor of a US Navy ship.

These big mystery sharks have been known to grow up to 5.4 metre - 18 feet long, weigh over 450 kg -1000 lbs and seems they feed on smaller prey with it's giant mouth and tiny hooked teeth.

See this interesting video: