Because of their oceanic habitat, studies of their life cycle have primarily been based on captive animals and their eggs have never been seen in the wild. Although nautilus have been kept at public aquariums since the 1… See more

As a carnivore, it feeds on both underwater carrion and detritus, as well as living shellfish and crab. Mainly scavengers, chambered nautiluses have been described as eating "anything that smells". This food is stored in … See more

Two subspecies of N. pompilius have been described: N. p. pompilius and N. p. suluensis.
N. p. pompilius is by far the most common and widespread of all nautiluses. It is sometimes … See more