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 ...

An Australian teenager had a lucky escape after being bitten by one of the world's most toxic animals, a blue-ringed octopus, after accidentally picking up the deadly cephalopod hiding in a shell. But ...

Quick Take The blue-ringed octopus has extremely potent venom, capable of killing a human victim. These octopuses contain a ...

Andy McConnell shared a video of a blue-ringed octopus during a recent vacation in the Philippines A man captured himself unknowingly holding the world's deadliest octopus. On Thursday, Dec. 11, ...

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.

Octopuses have a few characteristics that make them stand out as one of the most intelligent mollusks in the ocean. These slippery, strange ocean creatures, characterized by their large craniums and ...