Day octopus (Octopus cyanea) in the water near Lanai, Hawaii (© David Fleetham/Visuals Unlimited, Inc.)

【June 25 2013】Most relatives of Octopus cyanea feed under the cover of night, when hiding from predators is a little easier. But Octopus cyanea (aka day octopus, aka big blue octopus) has adapted with the ability to change the color and pattern on its skin, blending in with its surroundings even as it moves along the seafloor. Explore breathtaking Gallery from the HuluTrip homepage over the past 5 years..