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

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, ...

The venom from one of the previously known spitting scorpions, the southern African Parabuthus transvaalicus, is known to cause temporary blindness in humans if the sprays hit the eyes.

The small cephalopods use the venom to protect themselves and kill their ... Females are much larger than males, and after copulation, females often eat their partners. But males have evolved ...

Male blue-lined octopi (Hapalochlaena fasciata) have been found to use venom on their sexual partners ... she needs the protein now she is eating for hundreds. In some species, the males appear ...

The males have evolved to use a venom called tetrodotoxin (TTX) to immobilize females, which are normally around twice their size and commonly eat their sexual partners, study lead author Wen-Sung ...