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

Some of the most dangerous creatures on the planet are not the ones with the sharpest teeth or the largest bodies. They are, in many cases, small enough to sit on a fingernail. The blue-ringed octopus ...

The blanket octopus uses venomous man o’ war tentacles as weapons, doubling its reach and surviving in the open ocean.

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 ...