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 ...

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 ...

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 ...

Don’t be fooled by its small size and dazzling blue rings this tiny octopus carries enough venom to kill 26 people in mere minutes. With no known antidote, the blue-ringed octopus is one of the ...

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 ...

Discovered: DNA half-life makes Jurassic Park impossible; legalizing assisted suicide doesn't make everyone want to die; look at this venomous blue-ringed octopus; cellular findings earn Nobel.

Octopuses are fascinating sea creatures. Some species have unique features. The blue-ringed octopus has striking blue rings. The dumbo octopus lives deep in the ocean. The coconut octopus uses shells ...