1. Not a nautilus The paper nautilus (Argonauta spp.) is actually an octopus. 2. The shell The shell is actually an egg incubator. Females make it themselves by secreting a form of calcium, creating a ...

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 ...

While on Muizenberg Beach, Dr Tess Gridley, the principal scientist and co-founder of the environmental conservation organisation Sea Search, encountered a paper nautilus octopus. Also known as ...

The female nautilus, also known as an argonaut, is an octopus that constructs its own ornate shell or egg case from a substance it secretes from two of its eight tentacles. From a distance, the shells ...

Octopuses in the genus Argonauta have shells on their body It is only the females that carry a shell The shell also plays the role of an egg case A tiny octopus with a shell of its own has puzzled ...

Even if you don’t care much for marine invertebrates, you gotta love Cephalopods. Squid, octopus, nautilus, cuttlefish, they have the stylish panache and quirky evolutionary innovations that other ...

A routine walk on the beach turned into a bit of a research project for Debbie Brokaw after she found an "amazing" and "beautiful" paper-thin shell on the sand. As she often does, Brokaw hit the beach ...

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 ...