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 toxic blue-ringed octopus. A toxic blue-ringed octopus. A woman in Australia was recently bitten multiple times by a blue-ringed ...

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 ...

The blue-ringed octopus is one of the smallest and most dangerous sea creatures in the world. Measuring only slightly more than a golf ball, this creature lives in shallow water along the coasts 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 ...

Aquatic Animals Mystery of golden orb found in depths of ocean off Alaska finally solved: 'Everyone was like, What the heck? What is that?' Rivers & Oceans Glowing ring of plankton surrounding New ...