As octopuses go, argonauts are an unusual bunch. If there was a prize for the world’s strangest cephalopods, we’re pretty sure argonauts would win. Need convincing? Well, first they make a weird ...

According to the Monterey Bay Aquarium, octopuses poop from their siphon or funnel, a large, tube-like structure they also use to shoot water. It’s located on the side of the octopus‘ mantle, which is ...

Octopuses have a large nervous system, with the average octopus having about 500 million neurons or brain cells. That puts it in the same “brain range” as smaller mammals such as dogs. Unlike ...