Nautilus - Wikipedia
网页The nautilus (from Latin nautilus 'paper nautilus', from Ancient Greek ναυτίλος nautílos 'little sailor') [3] is an ancient pelagic marine mollusc of the cephalopod family Nautilidae. The nautilus is the sole extant family of the superfamily Nautilaceae and the suborder Nautilina .
Nautilus Shells - SeaShell Supply
网页Check out our Nautilus Shells Category Page below for a wide selection of whole and split Nautilus Shells in a variety of sizes, colors, and styles. Nautilus Shells are found in the Indo-Pacific where the creatures inhabit the deep slopes of coral reefs where they are scavengers and opportunistic predators.
What’s special about the shape of a Nautilus shell? - EarthSky
网页2013年4月18日 · Mathematicians have learned to use Fibonacci’s sequence to describe certain shapes that appear in nature. These shapes are called logarithmic spirals, and Nautilus shells are just one example...
What is a nautilus? - NOAA's National Ocean Service
网页2024年6月16日 · The nautilus is a mollusk that uses jet propulsion to roam the ocean deep. Writers, artists, and engineers have long marveled at the nautilus’s beauty and swimming abilities. The chambered or pearly nautilus is a cephalopod (a type of mollusk)—a distant cousin to squids, octopi, and cuttlefish.
Nautilus - American Oceans
网页Nautilus is a living fossil that has remained relatively unchanged for over 500 million years. It is a deep-sea creature that feeds on small fish and crustaceans. Nautilus has a unique anatomy that includes a spiral-shaped shell, two large eyes, and a pair of tentacles.
Nautilus Facts: Habitat, Behavior, Diet - ThoughtCo
网页2019年12月13日 · Of all the cephalopods, nautiluses are the only animal to have a visible shell. The shell is not only beautiful, but it also provides protection. The nautilus can withdraw into the shell and seal it closed with a fleshy trapdoor called a hood. Nautilus shells can reach up to 8–10 inches in diameter.
Nautilus | Mollusk, Shell, Subclass | Britannica
网页Nautilus, either of two genera of cephalopod mollusks: the pearly, or chambered, nautilus (Nautilus), to which the name properly applies; and the paper nautilus (Argonauta), a cosmopolitan genus related to the octopus. The pearly nautilus has a smooth, coiled external shell about 25 cm (10 inches)
Chambered Nautilus - NOAA Fisheries
网页2023年2月2日 · The hyponome allows the nautilus to control its buoyancy by regulating air and water in the shell chambers. Nautiluses are hunters and pick up food scents in the water column with chemosensors on their tentacles. They consume animals such as fish, crabs, and lobsters with their sharp, beak-like mouth.
Nautilus: The Ocean's Living Fossil - Ocean Info
网页Key Information. Scientific name: Nautilus pompilius. Predators and Threats: Sharks, and larger fish. Unique adaptations: External shell, and chambered body. Behavior Pattern: Solitary, active during the day. Diet: Fish, shrimp, …
The Nature of the Nautilus: How the Seashell Has Inspired Artists
网页One of nature's most exquisitely crafted specimens, the nautilus shell has featured prominently in artworks throughout the centuries, as a symbol of the sea and global expansion, then as one of wealth and luxury, and later as a marker of modernity.