Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living things, including humans. Tetrodotoxin is most famously known from pufferfish — ...

Find out what you need to know about a blue-ringed octopus bite, and discover how it's treated, and how it may affect health.

An unnamed woman was bitten twice by a blue-ringed octopus, which contains one of the most dangerous neurotoxins on the planet, but she escaped relatively unharmed.

This tiny octopus packs a poisonous punch, but just how deadly is it to humans? Read on to learn more about the blue-ringed octopus.

The blue-ringed octopus, a tiny sea animal, has an incredibly lethal bite. Its venom is 1,200 times more toxic than cyanide and can rapidly paralyze and even kill a human.

Blue-ringed octopus venom The vibrant threat displays of blue-ringed octopuses aren't just for show. Symbiotic bacteria in blue-ringed octopus salivary glands produce tetrodotoxin (TTX). This ...

Eating the octopus can also lead to poisoning, with there being at least one case of someone having become ill after accidentally consuming a blue-ringed octopus in Taiwan.

A woman swimming at a beach in Sydney, Australia was bitten by a blue-ringed octopus on Thursday, which is one of the most deadly marine animals in the world.

“I stayed right away after hearing what happened to her. I knew blue-ringed octopus were around but not at Black Wattle near Glebe,” he said.

An Australian teenager had a lucky escape after being bitten by an extremely toxic blue-ringed octopus. A toddler also came close to touching the deadly cephalopod.

An Australian teenager had a lucky escape after being bitten by an extremely toxic blue-ringed octopus. A toddler also came close to touching the deadly cephalopod.