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 ...

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 ...

Keeping my sailboat in the Sea of Cortez gives me excellent opportunities to see the great whales of the world, common in these nutrient-rich waters. During this visit, though, I thought small. I went ...