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Encyclopedia > Cuttlefish
Cuttlefish
Two cuttlefish "interact" while a third watches. Georgia Aquarium
Two cuttlefish "interact" while a third watches. Georgia Aquarium
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Coleoidea
Superorder: Decapodiformes
Order: Sepiida
Zittel, 1895
Orders and Families

Cuttlefish are marine animals of the order Sepiida belonging to the Cephalopoda class (which also includes squid, octopuses, and nautiluses). Despite their common name, cuttlefish are not fish but molluscs. Recent studies indicate that cuttlefish may be the most intelligent invertebrate species. [1] Image File history File linksMetadata Download high resolution version (2090x1367, 818 KB) Summary Two cuttlefish interacting at the Georgia Aquarium. ... The Georgia Aquarium, located in Atlanta, Georgia at Pemberton Place, is billed as the worlds largest aquarium with more than 8 million US gallons (30,000 m³; 30,000,000 liters) of marine and fresh water, 1. ... Scientific classification or biological classification is a method by which biologists group and categorize species of organisms. ... For other uses, see Animal (disambiguation). ... Classes Caudofoveata Aplacophora Polyplacophora Monoplacophora Bivalvia Scaphopoda Gastropoda Cephalopoda † Rostroconchia † Helcionelloida † ?Bellerophontidae The molluscs (British spelling) or mollusks (American spelling) are members of the large and diverse phylum Mollusca, which includes a variety of familiar animals well-known for their decorative shells or as seafood. ... Orders Subclass Nautiloidea †Plectronocerida †Ellesmerocerida †Actinocerida †Pseudorthocerida †Endocerida †Tarphycerida †Oncocerida †Discosorida Nautilida †Orthocerida †Ascocerida †Bactritida Subclass †Ammonoidea †Goniatitida †Ceratitida †Ammonitida Subclass Coleoidea †Belemnoidea †Aulacocerida †Belemnitida †Hematitida †Phragmoteuthida Neocoleoidea (most living cephalopods) ?†Boletzkyida Sepiida Sepiolida Spirulida Teuthida Octopoda Vampyromorphida The cephalopods (Greek plural (kephalópoda); head-foot) are the mollusk class... Orders Aulacocerida (extinct) Hematitida  (extinct) Phragmoteuthida  (extinct) Belemnitida  (extinct) Sepiida Sepiolida Spirulida Teuthida Octopoda Vampyromorphida Subclass Coleoidea is the grouping of cephalopods containing all the primarily soft-bodied creatures. ... Orders Sepiida Sepiolida Spirulida Teuthida Decapodiformes is a superorder of Cephalopoda, which includes all species with ten limbs; the name derives from the Latin meaning ten feet. ... Dylan Byrne(September 25, 1839 - January 5, 1904), German palaeontologist, was born at Bahlingen in Baden. ... Year 1895 (MDCCCXCV) was a common year starting on Tuesday (link will display full calendar) of the Gregorian calendar (or a common year starting on Sunday of the 12-day-slower Julian calendar). ... In scientific classification used in biology, the order (Latin: ordo, plural ordines) is a rank between class and family (termed a taxon at that rank). ... The hierarchy of scientific classification In biological classification, family (Latin: familia, plural familiae) is a rank, or a taxon in that rank. ... Genera Sepiadarium Sepioloidea Classification Order Sepiida: cuttlefish Family Sepiadariidae Genus Sepiadarium Sepiadarium auritum Southern Bottletail Squid, Sepiadarium austrinum Sepiadarium gracilis Tropical Bottletail Squid, Sepiadarium kochi Sepiadarium nipponianum Genus Sepioloidea Striped Pyjama Squid, Sepioloidea lineolata Sepioloidea pacifica Family Sepiidae Categories: Animal stubs | Cuttlefish ... Genera and Subgenera Metasepia Sepia    Acanthosepion    Anomalosepia    Doratosepion    Hemisepius    Rhombosepion    Sepia Sepiella Classification Order Sepiida: cuttlefish Family Sepiadariidae Family Sepiidae Genus Metasepia Pfeffers Flamboyant Cuttlefish, Metasepia pfefferi Paintpot Cuttlefish, Metasepia tullbergi Genus Sepia ? Sepia bartletti ? Sepia baxteri * ? Sepia dannevigi * ? Sepia elliptica Sepia mira Sepia plana Sepia senta ? Sepia whitleyana... Look up marine in Wiktionary, the free dictionary. ... In scientific classification used in biology, the order (Latin: ordo, plural ordines) is a rank between class and family (termed a taxon at that rank). ... Orders Subclass Nautiloidea †Plectronocerida †Ellesmerocerida †Actinocerida †Pseudorthocerida †Endocerida †Tarphycerida †Oncocerida †Discosorida Nautilida †Orthocerida †Ascocerida †Bactritida Subclass †Ammonoidea †Goniatitida †Ceratitida †Ammonitida Subclass Coleoidea †Belemnoidea †Aulacocerida †Belemnitida †Hematitida †Phragmoteuthida Neocoleoidea (most living cephalopods) ?†Boletzkyida Sepiida Sepiolida Spirulida Teuthida Octopoda Vampyromorphida The cephalopods (Greek plural (kephalópoda); head-foot) are the mollusk class... A class is the rank in the scientific classification of organisms in biology below Phylum and above Order. ... Suborders †Plesioteuthididae (incertae sedis) Myopsina Oegopsina Squid are a large, diverse group of marine cephalopods. ... For other uses, see Octopus (disambiguation). ... Genera Allonautilus Nautilus Nautilus (from Greek ναυτίλος, sailor) is the common name of any marine creatures of the cephalopod family Nautilidae, the sole family of the suborder Nautilina. ... Classes Caudofoveata Aplacophora Polyplacophora - Chitons Monoplacophora Bivalvia - Bivalves Scaphopoda - Tusk shells Gastropoda - Snails and Slugs Cephalopoda - Squids, Octopuses, etc. ... Invertebrate is an English word that describes any animal without a spinal column. ...


Cuttlefish have an internal shell (cuttlebone), large W shaped eyes, and eight arms and two tentacles furnished with denticulated suckers, with which they secure their prey. Various seashells Danielle A shell is the hard, rigid outer covering, or integument, allanimals. ... Cuttlebone from Sepia sp. ... For other uses, see Eye (disambiguation). ... Look up ARM in Wiktionary, the free dictionary. ... Tentacles can refer to the elongated flexible organs that are present in some animals, especially invertebrates, and sometimes to the hairs of the leaves of some insectivorous plants. ... Predator and Prey redirect here. ...


Cuttlefish eat small molluscs, crabs, shrimp, fish and other cuttlefish. Their predators include dolphins, sharks, fish, seals and other cuttlefish. They live about 1 to 2 years. Classes Caudofoveata Aplacophora Polyplacophora Monoplacophora Bivalvia Scaphopoda Gastropoda Cephalopoda † Rostroconchia † Helcionelloida † ?Bellerophontidae The molluscs (British spelling) or mollusks (American spelling) are members of the large and diverse phylum Mollusca, which includes a variety of familiar animals well-known for their decorative shells or as seafood. ... Superfamilies Dromiacea Homolodromioidea Dromioidea Homoloidea Eubrachyura Raninoidea Cyclodorippoidea Dorippoidea Calappoidea Leucosioidea Majoidea Hymenosomatoidea Parthenopoidea Retroplumoidea Cancroidea Portunoidea Bythograeoidea Xanthoidea Bellioidea Potamoidea Pseudothelphusoidea Gecarcinucoidea Cryptochiroidea Pinnotheroidea * Ocypodoidea * Grapsoidea * An asterisk (*) marks the crabs included in the clade Thoracotremata. ... Superfamilies Alpheoidea Atyoidea Bresilioidea Campylonotoidea Crangonoidea Galatheacaridoidea Nematocarcinoidea Oplophoroidea Palaemonoidea Pandaloidea Pasiphaeoidea Procaridoidea Processoidea Psalidopodoidea Stylodactyloidea True shrimp are swimming, decapod crustaceans classified in the infraorder Caridea, found widely around the world in both fresh and salt water. ... For other uses, see Fish (disambiguation). ... For other uses, see Shark (disambiguation). ... Families Odobenidae Otariidae Phocidae Pinnipeds (fin-feet, lit. ...

Contents

Anatomy

Cuttlebone

Main article: Cuttlebone

Cuttlefish possess an internal structure called the cuttlebone, which is porous and composed of calcium carbonate, to provide the cuttlefish with buoyancy. Buoyancy can be regulated by changing the gas-to-liquid ratio in the chambered cuttlebone. Each species has a distinct shape, size, and pattern of ridges or texture on the "bone". Cuttlebones are traditionally used by jewelers and silversmiths as moulds for casting small objects. They are probably better known today as the tough material given to parakeets and other cage birds as a source of dietary calcium. The cuttlebone is unique to cuttlefish, one of the features contrasting them with their squid relatives. Cuttlebone from Sepia sp. ... Cuttlebone from Sepia sp. ... Calcium carbonate is a chemical compound, with the chemical formula CaCO3. ... In physics, buoyancy is the upward force on an object produced by the surrounding fluid (i. ... Casting may be used to create artistic sculptures Casting is a manufacturing process by which a molten material such as metal or plastic is introduced into a mold, allowed to solidify within the mold, and then ejected or broken out to make a fabricated part. ... Budgerigar Parakeets A parakeet is a term for any one of a large number of unrelated small parrot species, mainly used for small long-tailed members of the Arini in the Americas, instead of Conure, and in Australia colloquially for many species. ... General Name, Symbol, Number calcium, Ca, 20 Chemical series alkaline earth metals Group, Period, Block 2, 4, s Appearance silvery white Standard atomic weight 40. ...


Changing color

An infant cuttlefish protects itself with camouflage
An infant cuttlefish protects itself with camouflage

Cuttlefish are sometimes called the chameleon of the sea because of their remarkable ability to rapidly alter their skin color at will. Their skin flashes a fast-changing pattern as communication to other cuttlefish and to camouflage them from predators. This color-changing function is produced by groups of red, yellow, brown, and black pigmented chromatophores above a layer of reflective iridophores and leucophores, with up to 200 of these specialized pigment cells per square millimeter. The pigmented chromatophores have a sac of pigment and a large membrane that is folded when retracted. There are 6-20 small muscle cells on the sides which can contract to squash the elastic sac into a disc against the skin. Yellow chromatophores (xanthophores) are closest to the surface of the skin, red and orange are below (erythrophores), and brown or black are just above the iridophore layer (melanophores). The iridophores reflect blue and green light. Iridophores are plates of chitin or protein, which can reflect the environment around a cuttlefish. They are responsible for the metallic blues, greens, golds, and silvers often seen on cuttlefish. All of these cells can be used in combinations. For example, orange is produced by red and yellow chromatophores, while purple can be created by a red chromatophore and an iridophore. The cuttlefish can also use an iridophore and a yellow chromatophore to produce a brighter green. As well as being able to influence the color of the light that reflects off their skin, cuttlefish can also affect the light's polarization, which can be used to signal to other marine animals, many of which can also sense polarization. Download high resolution version (2016x1512, 1057 KB)An infant cuttlefish Picture from Disney World. ... Download high resolution version (2016x1512, 1057 KB)An infant cuttlefish Picture from Disney World. ... Genera Bradypodion Calumma Chamaeleo Furcifer Kinyongia Nadzikambia Brookesia Rieppeleon Rhampholeon Chameleons (family Chamaeleonidae) are squamates that belong to one of the best-known lizard families. ... Beyond overall skin structure, refer below to: See-also. ... Communication is a process that allows beings - in particular humans - to exchange information by several methods. ... Countershaded Ibex are almost invisible in the Israeli desert. ... Zebrafish chromatophores mediate background adaptation on exposure to dark (top) and light environments (bottom). ... Natural Ultramarine pigment in powdered form. ... Structure of the chitin molecule, showing two of the N-Acetylglucosamine units that repeat to form long chains in beta-1,4 linkage. ... A representation of the 3D structure of myoglobin, showing coloured alpha helices. ... In electrodynamics, polarization (also spelled polarisation) is the property of electromagnetic waves, such as light, that describes the direction of their transverse electric field. ...


Eyes

A close up of a cuttlefish eye.

Cuttlefish eyes are among the most developed in the animal kingdom. The organogenesis of cephalopod eyes differs fundamentally from that of vertebrates like humans.[2] Superficial similarities between cephalopod and vertebrate eyes are examples of convergent evolution. The cuttlefish pupil is a smoothly-curving W shape. Although they cannot see color,[3] they can perceive the polarization of light, which enhances their perception of contrast. They have two spots of concentrated sensor cells on their retina (known as fovea), one to look more forward, and one to look more backwards. The lenses, instead of being reshaped as they are in humans, are instead pulled around by reshaping the entire eye in order to change focus. Image File history File linksMetadata Size of this preview: 609 × 599 pixelsFull resolution (1943 × 1912 pixel, file size: 748 KB, MIME type: image/jpeg) A captive cuttlefish. ... Image File history File linksMetadata Size of this preview: 609 × 599 pixelsFull resolution (1943 × 1912 pixel, file size: 748 KB, MIME type: image/jpeg) A captive cuttlefish. ... Organogenesis is a stage of animal development where the ectoderm, endoderm, and mesoderm are formed. ... In evolutionary biology, convergent evolution is the process whereby organisms not closely related, independently evolve similar traits as a result of having to adapt to similar environments or ecological niches. ... The fovea, a part of the eye, is a spot located in the center of the macula. ...


Blood

The blood of a cuttlefish is an unusual shade of green-blue because it uses the copper-containing protein hemocyanin to carry oxygen instead of the red iron-containing protein hemoglobin that is found in mammals. The blood is pumped by three separate hearts, two of which are used for pumping blood to the cuttlefish's pair of gills (one heart for each gill), and the third for pumping blood around the rest of the body. A cuttlefish's heart must pump a higher blood flow than most other animals because hemocyanin is substantially less capable of carrying oxygen than hemoglobin. For other uses, see Copper (disambiguation). ... Single Oxygenated Hemocyanin protein from Octopus Hemocyanins (also spelled haemocyanins) are respiratory proteins containing two copper atoms that reversibly bind a single oxygen molecule (O2). ... For other uses, see Iron (disambiguation). ... Structure of hemoglobin. ... The heart and lungs, from an older edition of Grays Anatomy. ... For other uses, see Gill (disambiguation). ...


Toxicity

Recently it has been discovered that the Pfeffer's Flamboyant Cuttlefish's muscles contain a highly toxic compound that is yet to be identified. [1] Research by Mark Norman with the Museum Victoria in Queensland, Australia has shown the toxin to be as lethal as that of a fellow cephalopod, the Blue-ringed octopus.[4] Image File history File linksMetadata Download high-resolution version (2713x1829, 1693 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Cuttlefish Sepiidae Pfeffers Flamboyant Cuttlefish Metasepia Metadata This file contains additional information, probably added from the digital... Image File history File linksMetadata Download high-resolution version (2713x1829, 1693 KB) File links The following pages on the English Wikipedia link to this file (pages on other projects are not listed): Cuttlefish Sepiidae Pfeffers Flamboyant Cuttlefish Metasepia Metadata This file contains additional information, probably added from the digital... Binomial name Metasepia pfefferi Hoyle, 1885 Pfeffers Flamboyant Cuttlefish (Metasepia pfefferi) is a small cuttlefish ranging from Indonesia to eastern Papua New Guinea and across northern Australia. ... Sipadan is the only oceanic island in Malaysia; rising 2,000 feet or 600m from the seabed; it has been formed by living corals growing on top of an extinct volcanic cone that took thousands of years to develop. ... Binomial name Metasepia pfefferi Hoyle, 1885 Pfeffers Flamboyant Cuttlefish (Metasepia pfefferi) is a small cuttlefish ranging from Indonesia to eastern Papua New Guinea and across northern Australia. ... Mark Norman is a marine biologist living in southern Australia where he works through the University of Melbourne and Museum Victoria. ... Museum Victoria is the state museum of Victoria, Australia. ... Species See text. ...


Ink

Cuttlefish have ink, like squid and octopuses. This ink was formerly an important dye, called sepia. Today artificial dyes have replaced natural sepia. However, there is a modern resurgence of Jewish people using the ink for the techelet dye on their Tallit strings.[citation needed] An ink is a liquid containing various pigments and/or dyes used for coloring a surface to render an image or text. ... For other uses, see Octopus (disambiguation). ... Look up dye in Wiktionary, the free dictionary. ... Sepia is a rich brown pigment derived from the ink sac of the common cuttlefish, and it is also the name of a dark brown-grey color. ... For other uses, see Jew (disambiguation). ... Tzitzit (Ashkenazi Hebrew: tzitzis) are fringes or tassels (Hebrew: ציצת (Biblical), ציצית (Mishnaic)) found on a tallit worn by observant Jews as part of practicing Judaism. ... The tallit (Modern Hebrew: ) or tallet(h) (Sephardi Hebrew: ), also called talles (Yiddish), is a prayer shawl cloak that is worn during the morning Jewish services (the Shacharit prayers) in Judaism, during the Torah service, and on Yom Kippur. ... Tzitzit (Ashkenazi Hebrew: tzitzis) are fringes or tassels (Hebrew: ציצת (Biblical), ציצית (Mishnaic)) found on a tallit worn by observant Jews as part of practicing Judaism. ...


As food

Cuttlefish are caught for food in the Mediterranean and East Asia. Although squid is more popular as a restaurant dish all over the world, in East Asia dried shredded cuttlefish is a highly popular snack food. The Mediterranean Sea is an intercontinental sea positioned between Europe to the north, Africa to the south and Asia to the east, covering an approximate area of 2. ... East Asia Geographic East Asia. ... Dried shredded squid is a dried, seasoned snack commonly found in coastal Asian countries. ... A snack food (commonly shortened to snack) is seen in Western culture as a type of food not meant to be eaten as a main meal of the day (breakfast, lunch, dinner) but one that is intended rather to assuage a persons hunger between these meals, providing a brief...


Cuttlefish is especially popular in Italy, where it is used in Risotto Nero. The Croatian Crni Rižot is virtually the same recipe, which probably originated in Venice and then spread across both coasts of the Adriatic. "Nero" and "Crni" mean black, the color the rice turns because of the cuttlefish ink. Spanish cuisine, especially that of the coastal regions, uses cuttlefish and squid ink for the marine flavor and smoothness it provides; it is included in dishes such as rice, pasta and fish stews. Risotto prepared with mushrooms and scallions. ... The Adriatic Sea is an arm of the Mediterranean Sea separating the Apennine peninsula (Italy) from the Balkan peninsula, and the system of the Apennine Mountains from that of the Dinaric Alps and adjacent ranges. ... Spanish cuisine consists of a great variety of dishes which stem from differences in geography, culture and climate. ...


In literature

Cuttlefish made their most important literary appearance in the title of Eugenio Montale's ground-breaking debut collection of poetry entitled Cuttlefish Bones (Ossi di seppia), published in Turin in 1925. Montale, who grew up in Liguria along the Mediterranean Sea, was awarded the Nobel Prize for Literature in 1975, for his long and prolific career. Cuttlefish Bones remains one of the best-known and influential collections of 20th-century poetry. Eugenio Montale Eugenio Montale (October 12, 1896, Genoa – September 12, 1981, Milan) was an Italian poet, prose writer, editor and traslator, winner of the Nobel Prize for Literature in 1975. ... “Torino” redirects here. ... Liguria is a coastal region of north-western Italy, the third smallest of the Italian regions. ... Composite satellite image of the Mediterranean Sea. ... The Nobel Prize in literature is awarded annually to an author from any country who has produced the most outstanding work of an idealistic tendency. The work in this case generally refers to an authors work as a whole, not to any individual work, though individual works are sometimes...


In the popular novel Twenty Thousand Leagues Under the Sea by Jules Verne, Captain Nemo and his companions engage in a fierce battle with a group of giant cuttlefish. Although the creatures are defeated, one of the crew members is killed during the fight. Although Jules Verne accurately describes the cuttlefish's three hearts, he describes their blood as being red, instead of its actual greenish tint. Twenty Thousand Leagues Under the Sea is a classic science fiction novel by French writer Jules Verne (1828–1905), published in 1870 under the title Vingt mille lieues sous les mers. ... Jules Gabriel Verne (February 8, 1828–March 24, 1905) was a French author who pioneered the science-fiction genre. ...


Classification

Wikispecies has information related to:
Sepia officinalis from Turkish waters
Sepia officinalis from Turkish waters

There are over 120 species of cuttlefish currently recognised, grouped into 5 genera. Sepiadariidae contains seven species and 2 genera; all the rest are in Sepiidae. Image File history File links Wikispecies-logo. ... Wikispecies is a sister project supported by the Wikimedia Foundation that anybody can edit with a great potential use to students and researchers. ... Image File history File links Size of this preview: 800 × 600 pixels Full resolution (1600 × 1200 pixel, file size: 341 KB, MIME type: image/jpeg) Bora Zont, Taken at Saros/Turkey by me I, the creator of this work, hereby release it into the public domain. ... Image File history File links Size of this preview: 800 × 600 pixels Full resolution (1600 × 1200 pixel, file size: 341 KB, MIME type: image/jpeg) Bora Zont, Taken at Saros/Turkey by me I, the creator of this work, hereby release it into the public domain. ... Binomial name Sepia officinalis Linnaeus, 1758 Synonyms Sepia rugosa Bowdich, 1822 Sepia vicellius Gray, 1849 Sepia zebrina Risso, 1854 Sepia filliouxi Lafont, 1869 ?Sepia fischeri Lafont, 1871 Sepia officinalis mediterranea Ninni, 1884 ?Sepia veranyi P. Fischer in Lagatu, 1888 The Common Cuttlefish or European Common Cuttlefish (Sepia officinalis) is one... The hierarchy of scientific classification. ... For other uses, see Genus (disambiguation). ... Genera Sepiadarium Sepioloidea Classification Order Sepiida: cuttlefish Family Sepiadariidae Genus Sepiadarium Sepiadarium auritum Southern Bottletail Squid, Sepiadarium austrinum Sepiadarium gracilis Tropical Bottletail Squid, Sepiadarium kochi Sepiadarium nipponianum Genus Sepioloidea Striped Pyjama Squid, Sepioloidea lineolata Sepioloidea pacifica Family Sepiidae Categories: Animal stubs | Cuttlefish ... Genera and Subgenera Metasepia Sepia    Acanthosepion    Anomalosepia    Doratosepion    Hemisepius    Rhombosepion    Sepia Sepiella Classification Order Sepiida: cuttlefish Family Sepiadariidae Family Sepiidae Genus Metasepia Pfeffers Flamboyant Cuttlefish, Metasepia pfefferi Paintpot Cuttlefish, Metasepia tullbergi Genus Sepia ? Sepia bartletti ? Sepia baxteri * ? Sepia dannevigi * ? Sepia elliptica Sepia mira Sepia plana Sepia senta ? Sepia whitleyana...

Orders Subclass Nautiloidea †Plectronocerida †Ellesmerocerida †Actinocerida †Pseudorthocerida †Endocerida †Tarphycerida †Oncocerida †Discosorida Nautilida †Orthocerida †Ascocerida †Bactritida Subclass †Ammonoidea †Goniatitida †Ceratitida †Ammonitida Subclass Coleoidea †Belemnoidea †Aulacocerida †Belemnitida †Hematitida †Phragmoteuthida Neocoleoidea (most living cephalopods) ?†Boletzkyida Sepiida Sepiolida Spirulida Teuthida Octopoda Vampyromorphida The cephalopods (Greek plural (kephalópoda); head-foot) are the mollusk class... Orders Palcephalopoda †Plectronocerida †Ellesmerocerida †Actinocerida †Pseudorthocerida †Endocerida †Tarphycerida †Oncocerida †Discosorida Nautilida Neocephalopoda (in part) †Orthocerida †Ascocerida †Bactritida Nautiloids are a group of marine mollusks in the subclass Nautiloidea, which all possess an external shell, the best-known example being the modern nautiluses. ... Orders Aulacocerida (extinct) Hematitida  (extinct) Phragmoteuthida  (extinct) Belemnitida  (extinct) Sepiida Sepiolida Spirulida Teuthida Octopoda Vampyromorphida Subclass Coleoidea is the grouping of cephalopods containing all the primarily soft-bodied creatures. ... Suborders †Plesioteuthididae (incertae sedis) Myopsina Oegopsina Squid are a large, diverse group of marine cephalopods. ... For other uses, see Octopus (disambiguation). ... Orders Vampyromorphida Octopoda Octopodiformes is a superorder of the subclass Coleoidea. ... Orders Sepiida Sepiolida Spirulida Teuthida Decapodiformes is a superorder of Cephalopoda, which includes all species with ten limbs; the name derives from the Latin meaning ten feet. ... Binomial name Spirula spirula (Linnaeus, 1758) Rams Horn Squid (Spirula spirula) is a unique and peculiar species of mollusc which constitutes a family (Spirulidae) and order (Spirulida) by itself. ... Genera Sepiadarium Sepioloidea Classification Order Sepiida: cuttlefish Family Sepiadariidae Genus Sepiadarium Sepiadarium auritum Southern Bottletail Squid, Sepiadarium austrinum Sepiadarium gracilis Tropical Bottletail Squid, Sepiadarium kochi Sepiadarium nipponianum Genus Sepioloidea Striped Pyjama Squid, Sepioloidea lineolata Sepioloidea pacifica Family Sepiidae Categories: Animal stubs | Cuttlefish ... Genera and Subgenera Metasepia Sepia    Acanthosepion    Anomalosepia    Doratosepion    Hemisepius    Rhombosepion    Sepia Sepiella Classification Order Sepiida: cuttlefish Family Sepiadariidae Family Sepiidae Genus Metasepia Pfeffers Flamboyant Cuttlefish, Metasepia pfefferi Paintpot Cuttlefish, Metasepia tullbergi Genus Sepia ? Sepia bartletti ? Sepia baxteri * ? Sepia dannevigi * ? Sepia elliptica Sepia mira Sepia plana Sepia senta ? Sepia whitleyana... Families Idiosepiidae Sepiolidae Bobtail squid are a group of cephalopods closely related to cuttlefish. ... Suborders †Plesioteuthididae (incertae sedis) Myopsina Oegopsina Squid are a large, diverse group of marine cephalopods. ...

References

  1. ^ a b NOVA, 2007. Cuttlefish: Kings of Camouflage. (television program) NOVA, PBS, April 3, 2007.
  2. ^ Muller, Matthew. "Development of the Eye in Vertebrates and Cephalopods and Its Implications for Retinal Structure". The Cephalopod Eye. Davidson College Biology Department. Retrieved on 2007-04-06.
  3. ^ Mäthger, Lydia M.. "Color blindness and contrast perception in cuttlefish (Sepia offcinalis) determined by a visual sensorimotor assay". Vision Research, Volume 46, Issue 11, May 2006. Elsevier Ltd.. Retrieved on 2007-09-03.
  4. ^ Teacher's Guide to NOVA episode - Kings of Camouflage on PBS (After Watching: Activity 2).

is the 93rd day of the year (94th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era. ... is the 96th day of the year (97th in leap years) in the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era. ... is the 246th day of the year (247th in leap years) in the Gregorian calendar. ... “PBS” redirects here. ...

External links

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Cuttlefish
Look up Cuttlefish in
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  Results from FactBites:
 
Cuttlefish - Wikipedia, the free encyclopedia (910 words)
Cuttlefish have an internal shell, large eyes, and eight arms and two tentacles furnished with denticulated suckers, by means of which they secure their prey.
Cuttlefish possess an internal structure called the cuttlebone, which is composed of calcium carbonate and is porous, to provide the cuttlefish with buoyancy.
The blood of a cuttlefish is an unusual shade of green-blue because it uses the copper-containing protein hemocyanin to carry oxygen instead of the red iron-containing protein hemoglobin that is found in mammals.
Stuffed Cuttlefish From Stuffed Ark (155 words)
Cuttlefish - Any of several marine cephalopods of the order Sepioidea, related to the octopus and squid and characterized by a thick, internal, calcified shell called the cuttlebone.
Cuttlefish inhabit shallow tropical or temperate coastal waters, usually migrating to deeper water in winter.
Cuttlefish are used by man as food, as a source of ink, and for the cuttlebone, a dietary supplement providing calcium for cage birds.
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