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 ...

With its fascinating coloring and delicate curling arms, the blue-ringed octopus may be a beautiful creature, but this small cephalopod is also deadly. The blue-ringed octopus appears grey or beige ...

Cephalopods have colour-changing chromatophores on their skin, which allows them to camouflage themselves — but the blue-ringed octopus has a different trick up its tentacle. Michelle Starr is ...

The blue ring octopus is a small animal with a lethal secret. Though small, this poisonous creature carries a powerful toxin ...