The Argonaut Octopus
The female of the argonaut species of octopus produces a thin shell called a... ...lian Finn and Mark Norman had a chance to observe argonauts in the wild and found they deliberately filled th... ...ase of the actual nautilus, chambered shells. The argonauts are the only speci...
https://www.neatorama.com/2010/05/19/the-argonaut-octopus/
