The blue-ringed octopus is one of the smallest and most dangerous sea creatures in the world. Measuring only slightly more ...

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 mess with the blue-ringed octopus. The golf ball-sized cephalopod, which lives in the Pacific Ocean along shallow shores, carries a neurotoxin that can kill an adult human within minutes. But ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. Go diving into the intertidal waters of the Great Barrier ...

This is the terrifying moment tourists unknowingly handled a highly venomous blue-ringed octopus. Holidaymaker Regine Niepes and her friends spotted the deadly cephalopod and picked it up from the ...

When they're alarmed, blue-lined octopuses display iridescent blue rings on their arms to ward off approaching predators. Totti via Wikimedia Commons under CC BY-SA 4.0 Animals have evolved many ...

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 already exist in a strange corner of the animal world, with soft bodies, problem-solving brains, and the ability to change color in a blink. Even within that group, a handful of species push ...