Close up shot of octopus surrounded by coral reef on the ocean floor

close up shot close up octopus resting coral reef animal aquarium aquatic behavior bottom camouflage caribbean caribbean reef octopus cephalopod closeup creature ecosystem environment exotic fish floor habitat island life live marine marine animal nature ocean octopus octopusbriareus reef rest resting rock sea seascape sleep sleeping species squid tentacles under undersea underwater water wild wildlife deep sea coral