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 ...

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 ...

An Australian diver recently captured footage of a courtship display by an octopus in Rye, Victoria. Emily May, who runs the @emilymaydive Instagram account, was on a diving expedition at Rye Pier ...