During “quiet sleep,” the octopus remains still, with pale skin and eye pupils contracted to a slit. During “active sleep,” it dynamically changes its skin color and texture and moves both eyes while contracting its suckers and body, with muscular twitches
Washington: Scientists have discovered a "ghostlike" octopus in deep water off Hawaii that appears to belong to a previously unknown species, researchers said.
SEATTLE: A giant male octopus caught on cell phone video scaling his glass display tank at the Seattle Aquarium and reaching several tentacles over its open top has sparked Internet speculation that the massive mollusk was trying to mount an escape bid.