Cephalopods are fascinating creatures, and their primary living representative -- the octopus -- has recently been the subject of the Academy Award winning documentary "My Octopus Teacher." They are ...

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 ...

The rare Allonautilus scrobiculatus (right) swims by a Nautilus pompilius (left). Image Credit: Peter Ward. For several years now, biologist Peter Ward has spent many a night trying to woo nautiluses ...

Distant relatives of squid and cuttlefish, nautiluses are an ancient lineage often nicknamed “living fossils” because their shells have appeared in the archaeological record for over 500 million years ...

Nautilus, the ancient living ancestors of modern cephalopods, have both long and short-term memory, despite lacking the brain structures that modern cephalopods evolved for long-term memory. Robyn ...

(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 ...