The blue-ringed octopus is the only octopus to have a lethal toxin that can kill humans. Read here to learn about potential ...

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 ...

An Australian teenager had a lucky escape after being bitten by one of the world's most toxic animals, a blue-ringed octopus, after accidentally picking up the deadly cephalopod hiding in a shell. But ...