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 ...

A man captured himself unknowingly holding the world’s deadliest octopus, a blue-ringed octopus, in the Philippines in a ...

And while it’s easy to laugh now — because, thankfully, the guy survived — this is just another reminder that nature does not play around. Something doesn’t have to be big or scary-looking to be ...

The blue-ringed octopus, a small marine creature found in the Indo-Pacific region, harbors enough venom to kill 26 adult humans within minutes. Its potent neurotoxin, tetrodotoxin, causes rapid ...