Meet the brightest sea creatures - they can solve puzzles communicate big time and have the neatest ways of keeping out of trouble.
Octopuses have brains in their arms - that's a lot of brains
Blue Whales make sounds that are louder than a jet plane
Decorator Crabs hide by dressing up
Also discover how dolphins use echolocation parrotfish snooze in a sleeping bag of mucus great white sharks hunt and more - the wild wacky and colourful ways of marine animals.