GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY GEORGETTE DOUWMA / SCIENCE PHOTO LIBRARY
Day octopus (Octopus cyanea), also known as the big blue octopus or Cyane's octopus. This octopus is typically brown, but has the ability to rapidly change colour and skin texture to blend in with its surroundings. It is a master of camouflage. Photographed in the Red Sea, Egypt.
Model release not required. Property release not required.