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 ...

Saving the chambered nautilus The chambered, or pearly, nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell. It belongs to a family ...

Since the agency’s 90-day finding on the CBD’s petition, new information regarding the effect of ocean acidification on shell formation have lead the agency to conclude that the effects of ...

Its distinctive shell holds a particular fascination for shell collectors, which has contributed to alarming declines in nautilus populations. “For example, one population in the Philippines declined ...

The Nautilus is a marine animal that is closely related to squids and octopi, except that it is enclosed in a shell that is divided internally into a series of progressively larger and larger ...