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

The blue-ringed octopus, despite its small size, carries enough venom to kill 26 adult humans within minutes. Their bites are tiny and often painless, with victims not realizing they have been envenomated until respiratory depression and paralysis begins. No blue-ringed octopus antivenom is available. WARNINGS Observe marine life without touching. Blue-ringed octopus are not aggressive and typically only bite if picked up, stepped on, or harassed. Filmed in Kiama rockpool #blueringoctopus #octop

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