A greater blue-ring octopus, Hapalochlaena lunulata, crawls across a coral reef in Komodo National Park, Indonesia. There are several blue-ring octopus species and all of them are extremely venomous.

animal animal markings animal themes animals in the wild aquatic biodiversity bizarre blue blue ring octopus camouflage cephalopod color image coral triangle crawling danger deadly greater blue ringed octopus hapalochlaena hapalochlaena lunulata horizontal indo pacific ocean indonesia komodo komodo national park lesser sunda islands marine biology melanesia mollusk nature no people ocean octopodidae octopus one animal outdoors pacific ocean photography poisonous reef ring of fire sea life shallow southeast asia spotted tentacle undersea underwater venomous wilderness wildlife zoology