The vast majority of octopus species live along the sea floor--whether that is in the sandy shallows off a tropical coast or in the dark depths around hydrothermal vents. But a handful of octopuses ...

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 ...

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 ...

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

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 ...

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 ...

Now, by capturing argonauts and releasing them at different depths, Julian Finn and Mark Norman of Museum Victoria in Melbourne, Australia, have established that they use the shells to capture and ...

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 ...

AS WAVES lapped at the boat, Jeanne Villepreux-Power adjusted her heavy dress. She’d been there for 3 hours, trying not to startle the small, shelled octopus in its underwater cage. She was about to ...