by @sciencechannel As the common reef #octopus (Octopus cyanea) moves across the coral reef, it uses chromatophores to change its coloring and appearance to match the substrate beneath. These color changes are sometimes created to mimic a dark shadow passing across the surface — in hopes that a crab may let its guard down and become a snack. 🐙 saxapo4ek • Original audio. #wild #ocean #science #nature #wildlife #animals #natures #onlyafrica #underwater