blue-ring octopus on seafloor in indonesia

adventure animals are beautiful biodiversity biological biology blue bluering cephalopod cephalopods colorful conservation coral crawls critter dangerous deadly diversity diving earth ecology ecosystem environment evolution habitat hapalochlaena indonesia intelligent island lembeh life macro marine most muck niche ocean octopus pacific photography reef research resort ring science scuba sea seafloor seascape small snorkeling strait sulawesi these tourism travel triangle tropical tropics underwater vacation venomous wildlife