What are the top facts about the ocean? While much is known about the ocean, a large part of it remains unknown. Here are fun facts about it for people of all ages.

The Sea drowns you in an ocean of facts in just under four minutes ... Pliny thought sea was saltier at the surface. 5. Aristotle realised sea water was denser than fresh water.

Turns out, there's more to the shark than sharp teeth and gills. Read on to learn about these misread sea dwellers.

Discover interesting facts about where sharks live ... Where they live: In every ocean around the globe. How long they've been around: 450 million years. How big they are: Smaller than a human ...

Orcas are very social creatures and live in family groups called pods, which generally have five to 30 members. These pods are made up of related mothers and their descendants. Male orcas stay ...