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Information about Nautilus Pompilius Pompilius

Chambered Nautilus

Conservation status
Data deficient
Scientific classification
Kingdom:Animalia
Phylum:Mollusca
Class:Cephalopoda
Order:Nautilida
Family:Nautilidae
Genus:Nautilus
Species:N. pompilius
Binomial name
Nautilus pompilius
Linnaeus, 1758
Subspecies
  • Nautilus pompilius pompilius
    Linnaeus, 1758
  • Nautilus pompilius suluensis
    Habe & Okutani, 1988
Synonyms
The Chambered Nautilus (Nautilus pompilius) is the best known species of nautilus. The shell, when cut away as in the photograph below, reveals a lining of lustrous nacre, and displays a nearly perfect equiangular spiral. It has primitive eyes compared to other cephalopods, mostly due to the fact that they have no lens. Their eyes are comparable to a pinhole camera. It has about 90 tentacles and no suckers which is also different from other cephalopods. This nocturnal animal has a pair of rhinophores, which detect chemicals and uses olfaction and chemotaxis to find its food.

Subspecies

Two subspecies of N. pompilius have been described:
  • Nautilus pompilius pompilius
  • Nautilus pompilius suluensis
N. p. pompilius is by far the most common and widespread of all nautiluses. It is sometimes called the Emperor Nautilus due to its large size. The distribution of N. p. pompilius covers the Andaman Sea east to Fiji and southern Japan south to the Great Barrier Reef. Exceptionally large specimens with a shell diameter of up to 268 mm[1] have been recorded from Indonesia and northern Australia. This giant form was described as Nautilus repertus, however most scientists do not consider it a separate species.

N. p. suluensis is a much smaller animal, restricted to the Sulu Sea in the southwestern Philippines, after which it is named. The largest recorded specimen measured 148 mm in shell diameter.[1]

The Chambered Nautilus in literature and art

Small natural history collections were common in mid-1800s Victorian homes, and chambered nautilus shells were popular decorations.

The Chambered Nautilus is the title and subject of a poem by Oliver Wendell Holmes, in which he admires the "ship of pearl" and the "silent toil/That spread his lustrous coil/Still, as the spiral grew/He left the past year's dwelling for the new." He concludes with the peroration:

Build thee more stately mansions, O my soul,
As the swift seasons roll!
Leave thy low-vaulted past!
Let each new temple, nobler than the last,
Shut thee from heaven with a dome more vast,
Till thou at length art free,
Leaving thine outgrown shell by life's unresting sea!


A painting by Andrew Wyeth, entitled "Chambered Nautilus," shows a woman in a canopied bed; the composition and proportions of the bed and the window behind it mirror those of a chambered nautilus lying on a nearby table.

The popular Russian rock band Nautilus Pompilius (Наутилус Помпилиус) is named after the Chambered Nautilus.

American composer and commentator Deems Taylor wrote a cantata entitled The Chambered Nautilus in 1916.




Cutaway of a nautilus shell showing the chambers

Empty nautilus shell, whole

Nautilus pompilius in aquarium

Internal anatomy of Nautilus pompilius


References

1. ^ Pisor, D. L. (2005). Registry of World Record Size Shells, 4th edition, Snail's Pace Productions and ConchBooks, p. 93. 
  • Norman, M. 2000. Cephalopods: A World Guide. Hackenheim, ConchBooks, pp. 30-31.

External links

conservation status of a species is an indicator of the likelihood of that species continuing to survive either in the present day or the future. Many factors are taken into account when assessing the conservation status of a species: not simply the number remaining, but the
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Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. Scientific classification also can be called scientific taxonomy, but should be distinguished from folk taxonomy, which lacks scientific basis.
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Mollusca
Linnaeus, 1758

Classes

Caudofoveata
Aplacophora
Polyplacophora
Monoplacophora
Bivalvia
Scaphopoda
Gastropoda
Cephalopoda
† Rostroconchia
† Helcionelloida
† ?Bellerophontida
The molluscs
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Cephalopoda
Cuvier, 1797

Orders

Subclass Nautiloidea
  • †Plectronocerida
  • †Ellesmerocerida
  • †Actinocerida
  • †Pseudorthocerida
  • †Endocerida
  • †Tarphycerida
  • †Oncocerida

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Nautilina
Agassiz, 1847

Family: Nautilidae
Blainville, 1825

Genera

Allonautilus
Nautilus

Nautilus (from Greek ναυτίλος
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Nautilina
Agassiz, 1847

Family: Nautilidae
Blainville, 1825

Genera

Allonautilus
Nautilus

Nautilus (from Greek ναυτίλος
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Nautilus
Linnaeus, 1758

Species
  • Nautilus belauensis
  • †Nautilus clarkanus
  • †Nautilus cookanum
  • Nautilus macromphalus
  • Nautilus pompilius

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binomial nomenclature is the formal system of naming species. The system is also called binominal nomenclature (particularly in zoological circles), binary nomenclature (particularly in botanical circles), or the binomial classification system.
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Carolus Linnaeus (Carl von Linné)

Carl von Linné, Alexander Roslin, 1775. Currently owned by and hanging at the Royal Swedish Academy of Sciences.
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Carolus Linnaeus (Carl von Linné)

Carl von Linné, Alexander Roslin, 1775. Currently owned by and hanging at the Royal Swedish Academy of Sciences.
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In scientific nomenclature, synonyms are different scientific names used for a single taxon. Usage and terminology are different for zoology and botany.

Zoology

In zoological nomenclature, synonyms are different scientific names that pertain to the same taxon, for example
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Tom Iredale (March 24, 1880 – April 12, 1972) was an English-born ornithologist and malacologist born at Stainburn, Workington, Cumberland, who had a long association with Australia where he lived for most of his life.
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species is one of the basic units of biological classification. A species is often defined as a group of organisms capable of interbreeding and producing fertile offspring.
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Nautilina
Agassiz, 1847

Family: Nautilidae
Blainville, 1825

Genera

Allonautilus
Nautilus

Nautilus (from Greek ναυτίλος
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Nacre, also known as mother of pearl, is an organic-inorganic composite material produced by some mollusks. It is strong and resilient, and appears irridescent. Pearls and the inside layers of an oyster shell are made of nacre.
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A logarithmic spiral, equiangular spiral or growth spiral is a special kind of spiral curve which often appears in nature. The logarithmic spiral was first described by Descartes and later extensively investigated by Jakob Bernoulli, who called it
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pinhole camera is a camera without a conventional glass lens. An extremely small hole in a very thin material can focus light by confining all rays from a scene through a single point.
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Olfaction (also known as olfactics) refers to the sense of smell. This sense is mediated by specialized sensory cells of the nasal cavity of vertbrates, and, by analogy, sensory cells of the antennae of invertebrates.
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Chemotaxis, a kind of taxis, is the phenomenon in which bodily cells, bacteria, and other single-cell or multicellular organisms direct their movements according to certain chemicals in their environment.
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The Andaman Sea (Burmese: မုတ္တမ; IPA: [moʊʔtəma̰]
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Motto
Rerevaka na Kalou ka Doka na Tui
Fear God and honour the Queen
Anthem
God Bless Fiji
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State Party  Australia
Type Natural
Criteria vii, viii, ix, x
Reference 154
Region Asia-Pacific

Inscription History
Inscription 1981  (5th Session)
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Motto
"Bhinneka Tunggal Ika"   (Old Javanese)
"Unity in Diversity"
National ideology: Pancasila[1]
Anthem
Indonesia Raya
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Anthem
Advance Australia Fair [1]


Capital Canberra

Largest city Sydney
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The Sulu Sea is a large sea in the southwestern area of the Philippines. It is separated from the South China Sea in the northwest by Palawan, and from the Celebes Sea in the southeast by the Sulu Archipelago. Borneo is found to the southwest and Visayas to the northeast.
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