Cyanea octopus can adapt to the chromatic hues of their ever-changing landscapes--within milliseconds, mind you.
Cephalopods, specifically octopuses, have the uncanny ability to mirror whatever ecological canvas they're presented with. Some animals, such as this Cyanea octopus (Octopus cyanea), exhibit the anatomical ability to contort their body into the textural patterns of whatever environment they find fitting--rocky escarpment, anyone?
In the video below, provided by National Geographic, you can see before your own eyes how mimicry is practiced in Cyanea octopi.
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Also known by the common name the day octopus, these charismatic cephalopods are unusual in the fact that they're diurnal in nature--they're most active when the sun is present. This behavior is odd in the world of ocean dwelling mollusks, making them easier to observe and study. In fact, there considered the poster child at the Monterrey Bay Aquarium's "Tentacles" exhibit, because of their hyperactivity.
Pound for pound, it's about the strongest octopus we've ever exhibited. They like to huff and puff and blow water.
--Curator of Husbandry Operations at Monterrey Bay Aquarium, Paul Clarkson
Cayanea or day octopuses are commonly found in and around the waters of Hawaii where they go about their days feasting on other less-clever mollusks, i.e. small crabs and bivalves.