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 ...

This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses in all of the ocean.

Add Yahoo as a preferred source to see more of our stories on Google. A yellow octopus with blue rings on its body sitting on the seafloor An Australian teenager had a lucky escape after being bitten ...

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 ...

Among the ocean's most dangerous creatures, size isn't everything; in fact, some of the smallest marine animals are among the most dangerous. For exam.

(Nanowerk News) 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 ...

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 ...

A shocked swimmer has found one of the ocean’s most deadly creatures at a popular Sydney beach. Footage posted online shows a ...

From baboon to box jellyfish, here are 25 animals beginning with the letter B ...

An Australian teen nearly died when he was bitten by a poisonous blue-ringed octopus hiding in a shell he scooped out of the ocean to show his niece. Jacob Eggington, 18, was swimming and looking for ...

Microeledone galapagensis, a tiny blue octopus, is new to science ...