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Some scientists claim that octopuses could be the next big species after humans go extinct and that there is much to learn ...

You make like a statue. After a moment, the octopus climbs out of the shell. Its body is the size of your thumb, its arms perhaps three times that. As it moves onto the sand, it turns a matching ...

But smarter animals tend to have a higher brain-to-body ratio. An octopus’s brain-to-body ratio is the largest of any invertebrate. It’s also larger than many vertebrates, although not mammals.

More than a fanciful shark-octopus hybrid featured in low-budget sci-fi films of the 2010s, the "sharktopus" has been spotted in real life - well, kind of. The sighting was not that of some mish ...

An octopus rides on a shark, or, the worlds first sharktopus. Scientists have been left amused after spotting an octopus hitchhiking during its journey, albeit with an unlikely marine friend.

A horizontal a slice at the base of the arms (labeled as A) showing the oral INCs (labeled as O) converging and crossing.

Add in the octopus’s small size (generally around eight inches), relatively short arms, bell-shaped body, pale coloring, and tendency to hover over the seafloor, and you’ve got a cephalopod ...