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

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

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

Although only 8-10 inches long, the blue-ringed octopus is one of the most venomous animals on the planet! Their bright blue rings act as a warning to potential predators. Learn more in our Marine Life Encyclopedia: https://bit.ly/3hREuut | Oceana