Octopus mating behaviors can be quite deadly. Many species are cannibalistic, making the entire prospect of mating dangerous, and female octopuses often die after laying one clutch of eggs. Their ...

(CNN) — 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 ...

Researchers studying the Japanese pygmy octopus report that males carefully protect a specialized mating arm, behavior documented in lab tests and field observations. In octopus mating, the ...

It’s an octopus-eat-octopus world. Scientists have discovered that when mating, male blue-lined octopuses will inject a powerful, incapacitating neurotoxin into the hearts of female octopuses — to ...

Octopuses are famous for their problem‑solving brains and shape‑shifting bodies, yet their lives end in a way that looks more like a horror film than a nature documentary. After mating, both males and ...

Octopus mating behaviors can be quite deadly. Many species are cannibalistic, making the entire prospect of mating dangerous, and female octopuses often die after laying one clutch of eggs. Their ...

The California two-spot octopus is a solitary creature. How exactly they manage to find suitable mates has been one of the ocean's best-kept secrets. Now scientists have discovered that male octopuses ...

Octopuses are notoriously anti-social—if you put more than one in a tank, they’ll attack each other. And they certainly don’t form family ties—females are prone to eating males after mating, and they ...

The specialized arm that male octopuses use for mating is also a sensory organ that can detect the ovarian hormone progesterone, according to new experiments conducted by Pablo Villar and colleagues.