For researchers in Japan, the latest of the argonaut mysteries concerns its “shell,” which is actually ... are commonly referred to as the paper nautilus (despite their status as octopuses ...

Here's a video of a paper nautilus riding a jellyfish through the dark ocean — clearly not its first rodeo: Male and small female blanket octopuses carry around fragments of tentacles from ...

The shell also acts as a floatation device, sealing in a bubble of air when the paper nautilus visits the water’s surface ... They are also known to hitch a ride with jellyfish or attach themselves to ...

It "took some research," but she discovered her find wasn't a shell, but a paper nautilus, a casing secreted by a member of the octopus family called an argonaut. Argonauts are found in tropical ...

This egg holder has such an uncanny resemblance to the hard shells of the Nautiloids, the octopus’s distant relatives, that scientists nicknamed the argonaut the “Paper Nautilus.” ...