Octopuses have gotten a reputation for being cunning camouflagers and intelligent creatures. But some are known for a more ominous reason: They're deadly. One group — the blue-ringed octopus (genus ...

The small blue ring octopus is extremely venomous, with toxin 1,200 times more powerful than cyanide. Its bite can swiftly paralyze, potentially leading to death within 20 minutes. There is no known ...

A viral video shows a British man holding blue-ringed octopus (Image: X/@CollinRugg) A viral video shows a man holding a tiny but deadly octopus. This creature is known as the blue-ringed octopus, one ...