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 ...

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 ...

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 ...

The blue ring octopus is a small animal with a lethal secret. Though small, this poisonous creature carries a powerful toxin that can kill a human being within minutes. What is even more frightening ...

It can appear harmless on the surface, yet the blue-ringed octopus is actually one of the most venomous sea creatures. Its bright blue rings and changing yellow colour are a warning sign that it gives ...

ENOSHIMA, Japan As snack bars start to reopen and windsurfers drift back to this popular beach town south of Tokyo, few denizens are aware that they're sharing real estate with one of the most lethal ...

With a split-second muscle contraction, the greater blue-ringed octopus can change the size and color of the namesake patterns on its skin for purposes of deception, camouflage and signaling.

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 ...