the best science on the web about
nautiluses

Chambered Nautilus
Image: iStockphoto.com/Spanishalex

Chambered Nautilus

For more than 400 million years, the chambered nautilus has propelled itself through ocean depths in search of prey. Like its squid and octopus relatives, it also has tentacles, but its shell makes it unique.

Investigate what else (besides the animal) is inside its many-chambered shell and how this very active predator uses it.

Sea and Sky
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Peter Ward, Paleontologist: The Ancient Nautilus

Peter Ward, Paleontologist: The Ancient Nautilus

Is its strong shell with a unique design the adaptation that has kept the nautilus swimming for 500 million years? Watch a team of scientists search for the reclusive creature that rises from the depths. More...

Profile
Sea Studios Foundation
The Nautilus

The Nautilus

Different from all its relatives, the nautilus lives inside a shell — and it doesn’t sink like a rock. Peer inside and see how chambers and a tube work to keep it buoyant and on the move. More...

Video
Brown University
Chambered Nautilus: Species Overview

Chambered Nautilus: Species Overview

Swimming vertically in the tropical western Pacific, the chambered nautilus preys on shrimp, crabs, fishes, dead animals — and sometimes another nautilus. Explore its habitat and behavior. More...

Article
Aquarium of the Pacific
Explorer’s Guide: Chambered Nautilus

Explorer’s Guide: Chambered Nautilus

It has survived since prehistoric times, but the chambered nautilus is a vulnerable species now. Find out what’s threatening the species, and how each animal defends itself when threatened. More...

Article
Shedd Aquarium
Hunting Nautilus

Hunting Nautilus

Nightfall sends the nautilus closer to the water’s surface to hunt for food. Powered by water jets in its shell, this animal expends little energy to swim. Watch it hunt and be hunted. More...

Video
BBC
Nautilida and Nautiloids

Nautilida and Nautiloids

Compare photos of the modern-day nautilus to prehistoric fossils. Then zoom inside the structure of its fascinating and functional shell. More...

Images
Encyclopedia of Life
Nautiluses

Nautiluses

This marine creature has up to 90 tentacles but only 9 teeth, gets around by jet propulsion, and has a shell camouflaged by countershading. Find many more fun facts. More...

Article
Sheppard Software
The Chambered Nautilus

The Chambered Nautilus

Take a leisurely 3-minute swim in the waters off Palau, Micronesia, to witness the nautilus up close. No scuba gear? No worries. More...

Video
Corey Levy

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