The blue-ringed octopus is the only octopus to have a lethal toxin that can kill humans. Read here to learn about potential ...

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 ...

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.

A British traveller narrowly avoided tragedy after unknowingly handling one of the most venomous animals on Earth while holidaying in the Philippines. The man filmed himself picking up what he ...

Mat Rogerson found a deadly blue-ringed octopus on his snorkeling gear in Australia, according to a Facebook post. Screengrab from Facebook Mat Rogerson regularly goes snorkeling off the coast of ...

Maddy has a degree in biochemistry from the University of York and specializes in reporting on health, medicine, and genetics. Maddy has a degree in biochemistry from the University of York and ...

Humans are not the only species who practice 'safe sex', although this means something quite different for one species of octopus. Marine biologists from Australia have revealed that male-blue lined ...

Jaun-Paul 'JP' Kalman was enjoying a day at the beach(Image: Mosman Collective/Facebook) A father has recounted the terrifying moment when one of the sea's deadliest ...

The blue-ringed octopus is small, but its venom is powerful enough to kill multiple humans in a short time. It delivers neurotoxins that can cause rapid paralysis, making it difficult or impossible to ...

(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 ...