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The noble nautilus has a knack for navigating at night—a superb...

The noble nautilus has a knack for navigating at night—a superb sense of smell serves this seafarer well as the only cephalopod still surviving with a shell. Great news for nautiluses! CITES voted to regulate international chambered nautilus trade, giving them some much needed protection. These splendid cephalopods have been on the planet for hundreds of millions of years—let’s keep th
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Nautilus Born at Birch Aquarium at Scripps in La Jolla, California

Humor : Laughing Squid

A nautilus has hatched at the Birth Aquarium at Scripps Institute of Oceanography at University of California in San Diego in La Jolla, California, a first for the aquarium. To note: a nautilus is a cephalopod, just like the squid. ...

New nautilus? We’ve spotted a single egg in our chambered...

Biology / Marine Biology : Monterey Bay Aquarium

New nautilus? We’ve spotted a single egg in our chambered nautilus exhibit! Stuck on a rocky wall, the egg’s membrane layers form a protective covering. If viable, it’ll take eight to 14 months for tiny tentacles to emerge! Le...

Chambered nautilus: the ocean’s jet-propelled diverTo avoid...

Biology / Marine Biology : Monterey Bay Aquarium

Chambered nautilus: the ocean’s jet-propelled diver To avoid predators by day, nautilus linger along deep reef slopes as deep as 2,000 feet. At night, they migrate to shallower waters and cruise the reefs, trailing their tentacles i...

Ready for their close-upWe love watching live cephalopods, but...

Biology / Marine Biology : Monterey Bay Aquarium

Wunderpus octopus (Wunderpus photogenicus) Bobtail squid (Euprymna scolopes) Chambered nautilus (Nautilus pompilius) Stumpy cuttlefish (Sepia bandensis) Ready for their close-up We love watching live cephalopods, but it’s a treat to...

Vulnerability of the paper nautilus (Argonauta nodosa) shell to a climate-change ocean: potential for extinction by dissolution

Biology / Marine Biology : Ocean Acidification

Shell calcification in argonauts is unique. Only females of these cephalopods construct the paper nautilus shell, which is used as a brood chamber for developing embryos in the pelagic realm. As one of the thinnest (225 ?m) known ad...

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