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 ...

Add articles to your saved list and come back to them any time. IT'S A puzzle that has survived more than 2000 years. Why does the elusive but beautiful argonaut octopus need a shell? The question was ...

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 ...

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 ...

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 ...