See how the blue-ringed octopus warns predators away—and paralyzes prey. | National Geographic

Blue-ringed octopuses have a beak-like mouth with a radula for feeding. They inject their venom through a sharp, parrot-like beak located in the center of their tentacles. #octopus #ocean #travel | Critter Hunter

Dear tourists, the blue-ringed octopus is one of the most deadly creatures in Australia, it carries enough venom to kill 26 adults within minutes - definitely don't do this! | SBS News