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 ...

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.

Add Yahoo as a preferred source to see more of our stories on Google. Photo Credit: iStock The tiny blue-ringed octopus may seem ordinary in the ocean, but its size can be quite deceiving, as it ...

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 ...

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 ...

Blood is synonymous with bright red or deep maroon, but it certainly doesn’t generally bring to mind shades of blue. But ...

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 ...

Being bitten by a strange animal can be extremely scary, especially since so many species use venom against their prey. One such animal is the blue-ringed octopus. While octopus venom is not typically ...