Maybe it's time we Homo sapiens re-evaluated our relationship with the oceans of the world.

It has been a good few millennia, sure, but our love affair may have been a little rushed. After all, what do we really know about the ocean? Roughly 95 per cent of it remains unexplored, and it seems as if every other day we're finding out something new and unsettling.

Old emotions can die hard. So for the unconvinced holdouts, here's a little push, via Twitter:

"Prehistoric, Dinosaur-Era Shark With Insane Teeth Found Swimming Off Coast of Portugal"