Reef octopus (Octopus cyanea), crawling over reef, Ailuk atoll, Marshall Islands, Pacific

ailuk atoll animals coral reef corals cephalopods cephalopod coral coral reefs crawling cyanea octopus fish fishes horizontal octopi octopodes octopus cyanea octopus sp octopuses octopus pacific ocean reef octopus reefs reef underwater day outdoors nature natural world marine life tropical marshall islands pacific