Nautilus - Wikipedia
Nautilus (from Latin nautilus ' paper nautilus ', from Ancient Greek ναυτίλος nautílos 'little sailor') [3] are the ancient pelagic marine mollusc species of the cephalopod family Nautilidae. This is the sole extant family of the superfamily Nautilaceae and the suborder Nautilina.
What is a nautilus? - NOAA's National Ocean Service
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.
Chambered Nautilus - Deep Sea Creatures on Sea and Sky
Chambered Nautilus (Nautilus pompilius) The curious-looking chambered nautilus, also known simply as the nautilus, is considered by many to be a living fossil. Nautilus pompilius is the largest and most common of about six species known to exist. Like the coelacanth, it has remained unchanged for over 400 million years.
Nautilus - American Oceans
The nautilus is one of the most fascinating creatures of the deep sea, with a unique spiral shell and a mysterious behavior that has captivated scientists and enthusiasts for centuries. Despite being one of the oldest living species on the planet, the nautilus remains largely unknown and understudied, with many aspects of its biology and ...
Nautilus - Description, Habitat, Image, Diet, and Interesting Facts
There are six different species of this odd swimmer, all of which look like a swimming seashell stuffed with an octopus-like creature inside. In reality, these creatures are related to octopuses, but they are in their own taxonomical family.
Nautilus: The Ocean's Living Fossil - Ocean Info
The nautilus’s most iconic feature is its external, spirally coiled shell. This shell is divided into multiple chambers called the siphuncle, which the animal uses for buoyancy control. Beneath the shell lies a soft, cephalopod body, a prominent head with a beak-like mouth and large, well-developed eyes.
Chambered Nautilus - NOAA Fisheries
2024年11月21日 · The chambered nautilus, Nautilus pompilius, is a highly vulnerable species because of its life history characteristics, including low reproductive rates, slow growth, and late maturity. This species is thought to occur in small, isolated populations throughout its range.
Cephalopods: Octopus, Squid, Cuttlefish, and Nautilus
Nautilus - The only representatives of the early, shelled cephalopods that still exist today are Nautilus and the closely related Allonautilus (for simplicity here, they will both be collectively referred to as nautiluses). Nautiluses live in an external, coiled shell.
Nautilus Facts: Habitat, Behavior, Diet - ThoughtCo
2019年12月13日 · Nautiluses are invertebrates, cephalopods, and mollusks related to octopus, cuttlefish, and squid. 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.
4 Things to Know About the Nautilus - Ocean Conservancy
2019年8月26日 · The nautilus may just be one of the strangest looking creatures in the sea: its vividly-striped shell and numerous tentacles certainly make it stand out in the animal kingdom. And while it might look like the inspiration for the lead character in a Hollywood alien movie, the truth about these marine invertebrates is even cooler than fiction.