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 .

2024年11月21日 · Chambered nautilus are mainly found in the western Pacific Ocean and coastal areas of the Indian Ocean. Unlike other cephalopods, nautiluses are relatively long-lived, reaching ages of 15 to 20 years, or more.

The chambered nautilus is one of six species of nautilus, the only cephalopods (squids, octopuses, and relatives) that have external shells. Like in most shelled animals, this species can retract completely into its shell when threatened.

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.

These soft-bodied creatures live inside an intricately chambered shell. A nautilus can only sense dark and light with its simple, pinhole-type eyes. But a nautilus can perceive water depth and current directions, as well as current speeds, to help it keep its body upright.

2024年6月16日 · The chambered or pearly nautilus is a cephalopod (a type of mollusk)—a distant cousin to squids, octopi, and cuttlefish. Unlike its color-changing cousins, though, the soft-bodied nautilus lives inside its hard external shell.

2019年12月13日 · The chambered nautilus (Nautilus pompilius) is a large, mobile cephalopod which is called a "living fossil" and has been the subject of poetry, artwork, math, and jewelry. They have even inspired the names of submarines and exercise equipment.

2021年8月24日 · The chambered nautilus (Nautilus pompilius) is a cephalopod, related to cuttlefish, squid, and octopus, that has captivated the human imagination for centuries.

Chambered nautiluses, Nautilus pompilius, are found in the western Pacific Ocean. They are often found near the ocean bottom or near coral reefs in waters up to 500 m deep, but they do travel to shallower waters at night.

The chambered, or pearly, nautilus (Nautilus pompilius) is a charismatic cephalopod species known for its exceptional spiraling, chambered shell.