The Akkorokamui is a giant octopus found in Funka Bay in Hokkaido Japan. Akkorokamui is a giant octopus that can get as big as 390 feet long. The Akkorolamui is revered and is offered fish and other seafood in order to appease it however if angered the Akkorokamui is said to take down ships much like the Kraken.
Wish for a clear head? This octopus has one! The unusual looking yet beautiful octopus with a see-through head was captured on film in the waters of Anilo, the Philippines. It’s believed that the octopus is in larval stage, during which the animal usually appears in transparent. (source)