A mating pair of wild Octopus americanus, one displaying the arm action “raise.” A new study of octopuses in the wild found that all eight arms can do multiple actions, but their front arms are ...

It’s not uncommon for sex in nature to include a bit of violence. But in the shadowy tide pools and coral reefs of the Pacific, an extraordinary duel is unfolding. The blue-lined octopus ...

The love life of a male blue-lined octopus is tough. Like praying mantises and widow spiders, a female blue-lined octopus will often kill and eat the male after mating. It's just a circle of life for ...

(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 ...

A team of neurologists, environmentalists and bioengineers at the University of Queensland, in Australia, has found that male blue-lined octopuses paralyze females prior to mating to avoid being eaten ...