WebbPEARLY NAUTILUS, the Nautilus pompilius; common in the Pacific and Indian Oceans, especially toward the Moluccas. It is believed to inhabit both deep and shallow water. Its … The chambered nautilus (Nautilus pompilius), also called the pearly nautilus, is the best-known species of nautilus. The shell, when cut away, reveals a lining of lustrous nacre and displays a nearly perfect equiangular spiral, although it is not a golden spiral. The shell exhibits countershading, being light on the bottom … Visa mer 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 … Visa mer 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 … Visa mer The shell of the chambered nautilus fulfills the function of buoyancy, which allows the nautilus to dive or ascend at will, by controlling the density and volume of the liquid within its shell chambers. This was found during research done in New Caledonia on … Visa mer • "CephBase: Chambered nautilus". Archived from the original on 2005. (Nautilus pompilius pompilius) • "CephBase: Chambered nautilus". Archived from Visa mer 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 … Visa mer The chambered nautilus is often used as an example of the golden spiral. While nautiluses show logarithmic spirals, their ratios range from about 1.24 to 1.43, with an average ratio of about 1.33 to 1. The golden spiral's ratio is 1.618. This is actually visible when … Visa mer Nautilus shells were popular items in the Renaissance cabinet of curiosities and were often mounted by goldsmiths on a thin stem to make … Visa mer

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