This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American The vast majority of octopus species live ...

After centuries of speculation, biologists have documented one way a strange group of octopuslike creatures use their seashell-shaped cases. Female argonauts, a group of four species that are close ...

SMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution) Led by corresponding authors Masa-aki Yoshida from Shimane University and Davin Setiamarga from National Institute of ...

Argonauta Argo is an octopus but not quite the typical one. Even the sound of its name suggests that it is more intriguing than you would expect. The female species can create a protective shell for ...

As far back as Aristotle, naturalists have wondered why the females of a strange group of octopuses sport a thin, papery shell when plenty of their tentacled cousins are essentially naked, letting all ...

The argonauts are a group of octopuses unlike any other. The females secrete a thin, white, brittle shell called the paper nautilus. Nestled with their arms tucked inside this beautiful, translucent ...