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

The blue-lined octopus is a creature of paradox. It’s a small yet deadly creature with enough paralyzing venom to kill a man.

Animals have evolved many different ways of protecting themselves, from prickly quills and razor-sharp teeth to clever camouflage and sturdy shells. Now, scientists have discovered a surprising new ...

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

Male blue-lined octopuses have larger glands to hold venom and use some of it to subdue females for mating to stop from being eaten, killed.

Male blue-lined octopuses have larger glands to hold venom and use some of it to subdue females for mating to stop from being eaten, killed.

Male blue-lined octopuses have larger glands to hold venom and use some of it to subdue females for mating to stop from being eaten, killed.

Male blue-lined octopuses have larger glands to hold venom and use some of it to subdue females for mating to stop from being eaten, killed.

Male blue-lined octopuses have larger glands to hold venom and use some of it to subdue females for mating to stop from being eaten, killed.