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 ...