11M views · 86K reactions | Just how smart are octopuses? One is put to the test in this watch-and-learn challenge. | National Geographic Animals | Facebook

32K views · 900 reactions | Octopus Bizarrely Changes Color & Texture.  | Who Cares? | Facebook

Check out how this octopus changes the shape of the skin above its eye and body. These bumpy sections of skin (known as “papillae”) can be transformed in order to change texture. Working by a hydrostatic mechanism, these skin changes give the octopus 3D camouflage by displaying a less identifiable edge. Retraction of the “papillae” to quickly smoothing the skin is also important for reduced drag during swimming, particularly for escape. Watch carefully right above the eyes of this beautiful octo

1.4M views · 4.5K shares | Octopus: Master of Escape | ViralHog | Facebook