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 ...

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 ...

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 ...