Blue-ringed octopus, Ambon, Maluku, Indonesia.
These small but highly venomous animals use vivid electric-blue markings as warnings. Their venom is powerful enough to kill an adult human.
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Photo credit: © Matthew Oldfield Underwater Photography / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ambon, bluering, cephalopods, dangerous, indonesia, maluku, marine, marking, molluscs, octopus, pattern, poisonous, tropical, underwater, venomous, vivid, warning