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Encyclopedia > Longcomb sawfish
?Longcomb sawfish
Conservation status: Critical
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Chondrichthyes
Subclass: Elasmobranchii
Order: Pristiformes
Family: Pristidae
Genus: Pristis
Species: P. zijsron
Binomial name
Pristis zijsron
Bleeker, 1851
Sharks Portal

The longcomb sawfish, Pristis zijsron, is a sawfish of the family Pristidae, found in tropical waters of the Indo-West Pacific oceans, from the Red Sea and east Africa to Papua New Guinea, north to southern China, and south to New South Wales, Australia, between latitudes 21° N and 37° S. Its length is up to 7.3 m. It is the commonest of the sawfishes. The conservation status of a species is an indicator of the likelihood of that species continuing to survive. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Phyla Subregnum Parazoa Porifera (sponges) Subregnum Agnotozoa Placozoa (trichoplax) Orthonectida (orthonectids) Rhombozoa (dicyemids) Subregnum Eumetazoa Radiata (unranked) (radial symmetry) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anemones) Bilateria (unranked) (bilateral symmetry) Acoelomorpha (basal) Myxozoa (slime animals) Superphylum Deuterostomia (blastopore becomes anus) Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicatas Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders The Chondrichthyes or cartilaginous fishes are jawed fish with paired fins, paired nostrils, scales, two-chambered hearts, and skeletons made of cartilage. ... Superorders Galeomorpha Batoidea Selachimorpha Elasmobranchii is the subclass of cartilaginous fishes that includes skates, rays and sharks. ... Species Anoxypristis cuspidata Pristis clavata Pristis microdon Pristis pectinata Pristis perotteti Pristis zijsron Sawfish are related to sharks and rays. ... In biology, binomial nomenclature is the formal method of naming species. ... Image File history File linksMetadata Greyreefsharksmall2. ... See: Sawfish is a window manager for Unix systems running X. Sawfish is a type of cartilaginous fish. ... In biological classification, family (Latin: familia, plural familiae) is 1) a rank or 2) a taxon in that rank. ... The tropics are the geographic region of the Earth centered on the equator and limited in latitude by the two tropics: the Tropic of Cancer in the north and the Tropic of Capricorn in the southern hemisphere. ... The Indo-Pacific is the aggregate of the Indian Ocean, Pacific Ocean, and the minor seas between the two in the general area of Indonesia. ... Location of the Red Sea Image:Red Seaimage. ... A world map showing the continent of Africa. ... Emblems: Floral - Waratah (Telopea speciosissima); Bird - Kookaburra (Dacelo gigas); Animal - Platypus (Ornithorhynchus anatinus); Fish - Blue Groper (Achoerodus viridis) Motto: Orta Recens Quam Pura Nites (Newly Risen, How Brightly You Shine) Slogan or Nickname: First State, Premier State Other Australian states and territories Capital Sydney Government Const. ... Latitude, usually denoted symbolically by the Greek letter φ, gives the location of a place on Earth north or south of the Equator. ...


The longcomb sawfish is an inshore and intertidal species known to enter freshwater in some areas. It is found in shallow bays, estuaries, and lagoons, often on the bottom with its saw elevated at an angle to the body axis. Its flesh is considered tasty.


Coloration is dark grey to blackish brown above, and white to yellowish below.


Reproduction is ovoviviparous. Ovoviviparous animals develop within eggs that remain within the mother up until they hatch or are about to. ...

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See also

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This is a list of shark species. ...

References

  • "Pristis zijsron". FishBase. Ed. Ranier Froese and Daniel Pauly. May 2006 version. N.p.: FishBase, 2006.
[edit]

FishBase is a comprehensive database of information about fish. ...

External links


 
 

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