'Ghost' discovered on ocean floor

- On more than four kilometers deep in the ocean in Hawaii scientists have filmed a hitherto unknown octopus. Researchers are amazed at the milky white creature, by tweeters been renamed 'Casper the Ghost,' to the cartoon character.

'Very unusual,' said scientist Michael Vecchione. 'He creature has no pigment cells and muscles also seem to be missing altogether. 'According to the research team's discovery again shows how little is known about life in the deep sea. 'This kind of unexpected discoveries do very rarely. '

The octopus was Necker Island spotted by the remotely controlled dive boat Deep Discoverer.