WASHINGTON (CN) – Noting that “hundreds of thousands” of nautilus shells are traded yearly, the National Marine Fisheries Service has proposed the chambered nautilus for Endangered Species Act listing ...

The chambered, or pearly, nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell. It belongs to a family that has barely changed since ...

(CN) – The National Oceanic and Atmospheric Administration has listed the chambered nautilus as threatened under the Endangered Species Act, citing demand for its shells as the main threat. “Chambered ...

OAKLAND, Calif.— The National Marine Fisheries Service today announced it will consider giving Endangered Species Act protection to the chambered nautilus, an ocean mollusk threatened with extinction ...

Naturalists have long marveled at the shell of the chambered nautilus. The logarithmic spiral echoes the curved arms of hurricanes and distant galaxies. In Italy, the Medicis turned the pearly shells ...