Blue-lined octopuses are from a group of venomous octopuses that look plain in color until they are threatened, at which time their bodies flare with electric blue lines to ward off potential threats, ...

Male blue-lined octopuses inject a powerful neurotoxin into the hearts of females before mating to avoid being eaten, according to a new study. The males have evolved to use a venom called ...

The swift action of the venom renders the blue-ringed octopus not only captivating but highly risky. The blue-ringed octopus is famously color-changing, like its octopus cousins. It usually wears ...

Blue-ringed octopuses can inject TTX too, delivering it as a venom via a near-painless bite. Bites from blue-ringed octopuses are reasonably rare, but these animals do carry a dose of TTX that is ...

Joe Rogan (pictured) reacted to Brendan Schaub using blue scorpion venom to heal an injury. [Image courtesy: @joerogan on Instagram] Joe Rogan laughed off Brendan Schaub's usage of blue scorpion ...

Male blue-lined octopi (Hapalochlaena fasciata) have been found to use venom on their sexual partners, as well as for the usual reasons of defense against predators and subduing prey. Killing the ...