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

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 ...

For example, the blue-ringed octopus has an extremely powerful venom, which can kill a person within minutes. Moreover, this small creature is about the size of a golf ball and has a very calm ...

As an octopus biologist, I get a call from the media every summer because someone has had an encounter with a blue-ringed octopus. Thankfully, everyone has been OK. Blue-ringed octopus are famed for ...

Normally, collecting seashells is seen as a pretty low-risk activity, but the scavenge became almost deadly for one Australian who accidentally pocketed a dangerous hitchhiker. On Sunday, 18-year-old ...

A woman in Australia was recently bitten multiple times by a blue-ringed octopus — one of the world's most toxic animals — and lived to tell the tale. On March 16, the woman was bitten twice on her ...

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 ...

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 ...

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