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

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 ...

In June 2024 and for years, rumors have spread that a very small, beautiful octopus covered in blue rings has enough venom to kill 26 adults within minutes: The neurotoxin causes progressive paralysis ...

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 ...

If you are hiking off the coast of northern Washington and exploring tidepools, the last thing you would probably expect to find would be a giant Pacific octopus swimming around in it! But a group of ...

With a split-second muscle contraction, the greater blue-ringed octopus can change the size and color of the namesake patterns on its skin for purposes of deception, camouflage and signaling.

Inspired by the small but deadly blue-ringed octopus, researchers have created a novel technology that rapidly changes color and appearance under various kinds of light, enabling camouflaging and ...

I try to imagine what would happen if a small sea creature with the capacity to kill 26 humans turned up on an Irish beach.