Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living ...

The TTX that a blue-ringed octopus injects is so deadly that 1 milligram of it can kill a human. It's one of the most potent toxins on earth, and there is no antidote.

There are four species of blue-ringed octopus and each one contains tetrodotoxin, which is one of the most deadly toxins in the world. (Image credit: Khaichuin Sim via Getty Images) An Australian ...

Male octopus poisons its mate to avoid becoming post-sex snack The venomous blue-lined octopus is one of many species that engages in sexual cannibalism. Andrew Paul Mar 10, 2025 2:41 PM EDT ...

There have only been three confirmed deaths from blue-ringed octopus bites—two in Australia and one in Singapore—however, some argue that this number is as high as 11.

Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study.

A netizen and her child in Boljoon, Cebu, couldn't help but marvel at an octopus with vibrant blue rings. According to Kuya Kim on "24 Oras," Thursday, the woman's child also touched the octopus ...

TikTok of Woman Unknowingly Holding Venomous Octopus Goes Viral: 'Cheers for Still Being Alive' "There were about three of us passing him around," the TikTok user said about handling the blue ...

The blue-ringed octopus is capable of injecting a deadly venom with its bite, The Sun reports. This venom contains a deadly neurotoxin that is capable of causing respiratory arrest in just minutes.

When the octopus fell out of the shell, it bit the woman twice in the stomach, the EMS company said. "A blue-ringed octopus bite is a rare call for us, but they are extremely venomous," NSW ...

Although the blue-ringed octopus has some resistance to its own toxins, it's not completely immune. So the male can temporarily paralyze larger females with venom long enough to transfer a sperm ...