Octopuses are cephalopods that live in oceans around the world. They are also some of the most intelligent creatures on Earth. Their brain structures vary depending on where they live. For example ...

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 ...

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 male octopus of this species precisely injects a dose of its deadly tetrodotoxin venom into the females to immobilise them during copulation, say researchers at the University of Queensland.

Terms of Service and Privacy Policy. While the bite from a venomous blue-lined octopus (Hapalochlaena fasciata) can result in a painful, potentially life-or-death ...

The venom of the male blue-lined octopus is made for its predators, its prey, and, apparently, its mating partners. That’s what researchers from the University of Queensland in Australia found after ...

During mating, some male octopuses inject females with their potent venom to paralyse them – and avoid being eaten by their mates. Typically, animals use venom to kill prey or defend themselves ...

When they're alarmed, blue-lined octopuses display iridescent blue rings on their arms to ward off approaching predators. Totti via Wikimedia Commons under CC BY-SA 4.0 Animals have evolved many ...