The chambered nautilus is a sea creature that belongs in the same class as the octopus. Unlike the octopus, it has a hard shell that’s divided into chambers. As the nautilus matures and grows ...

A relative of squid and octopi, the chambered nautilus grows to about 8 inches long and has a spiraled shell and about 90 tentacles that it uses to catch prey. It’s often called a “living fossil” ...

WASHINGTON— The National Marine Fisheries Service proposed Endangered Species Act protection today for the chambered nautilus, which is threatened with extinction due to overharvesting for the ...