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 ...

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 octopus-like creatures use their seashell-shaped cases. Female argonauts, a group of four species that are close ...

Get your news from a source that’s not owned and controlled by oligarchs. Sign up for the free Mother Jones Daily. Argonauts (Cephalopoda: Argonautidae) are a group of rarely encountered open-ocean ...

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 ...

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A crew member on the Freedom out of 22nd Street Landing in San Pedro recently scooped up an unusual visitor to Southern California waters. While trying to net live market squid for bait about 3 miles ...