14K views · 654 reactions | Have you ever seen a blue-ringed octopus while diving?  Despite their innocent appearance, they are among the most venomous marine species on the planet.   IG user 'kenzokiren' Lembeh, Indonesia | PADI | Facebook

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

957K views · 3.1K reactions | 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 | Facebook

266K views · 8.7K reactions | The blue-ringed octopus, a small yet deadly cephalopod, possesses potent venom capable of paralyzing prey and threatening humans. Despite its size, it's one of the ocean's most venomous creatures. With vibrant blue rings as a warning signal, it showcases nature's beauty and danger intertwined. Critter Republic Dive Center #ocean #octopus #bbc | Critter Hunter | Facebook