Blue-ringed octopuses carry a killer concoction called tetrodotoxin (TTX), a potent neurotoxin that can paralyze living things, including humans. Tetrodotoxin is most famously known from pufferfish — ...

Discover and watch how this giant Pacific octopus mother lays down her life to make sure that her eggs are safe.

Credit: Eden Project/Cover Images The sands of Watergate Bay in Cornwall were transformed into a canvas for a unique art ...

Brains, brains, and more brains Because each arm of an octopus contains its own bundle of neurons, the limbs can operate semi-independently from the central brain, enabling faster responses since ...

Science Rare ‘Sharktopus’ – an octopus riding a shark – sighting caught on camera shared by scientists The shark and octopus seemed 'quite happy' by the encounter, one of the researchers said ...

How many brains does an octopus have? Octopuses have nine brains. Each of their eight arms contains its own small brain, allowing the arms to act independently and complete tasks efficiently.