? Xiphophorus
Green swordtail (X. hellerii)
Scientific classification
Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Cyprinodontiformes Family: Poeciliidae Genus: Xiphophorus Heckel, 1848
Species
(see text)

Xiphophorus Heckel, 1848, is a genus of freshwater fish in family Poeciliidae of order Cyprinodontiformes. The type species is X. hellerii, the green swordtail. Live-bearers, the Xiphophorus species are often collectively called swordtails, but in the aquarium trade that name typically refers specifically to X. hellerii. Jump to: navigation, search Image File history File links Xiphophorus_helleri_02. ... Jump to: navigation, search Binomial name Xiphophorus hellerii Heckel, 1848 For the genus of butterflies commonly known as swordtails, see Graphium. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Jump to: navigation, search Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascideiacea 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 See text The Actinopterygii are the ray-finned fish. ... Families Anablepidae (four-eyed fish) Cyprinodontidae (pupfish) Fundulidae Goodeidae Rivulinidae Poeciliidae (live-bearers) (and others) The Cyprinodontiformes is an order of ray-finned fish, also called the Microcyprini, and comprising mostly small, fresh-water fish. ... Genera Alfaro Belonesox Brachyrhapis Cnesterodon Gambusia (mosquitofishes) Girardichthys Girardinus Heterandria Heterophallus Jenynsia Limia Micropoecilia Phallichthys Phalloceros Phalloptychus Platypoecilus Poecilia (mollies) Poeciliopsis Priapella Pseudoxiphophorus Quitana Xiphophorus (swordtails, platys) Poeciliidae is a family of fresh-water fishes, which are ovo-viviparous (they give birth to live young; see also live-bearing aquarium... Jump to: navigation, search In biology, the most commonly used definition of species was first coined by Ernst Mayr. ... 1848 is a leap year starting on Saturday (link will take you to calendar) of the Gregorian calendar. ... See genus (mathematics) for the use of the term in mathematics. ... For the village on the Isle of Wight, see Freshwater, Isle of Wight. ... Jump to: navigation, search Groups Conodonta Hyperoartia Petromyzontidae (lampreys) Pteraspidomorphi (early jawless fish) Thelodonti Anaspida Cephalaspidomorphi (early jawless fish) Galeaspida Pituriaspida Osteostraci Gnathostomata (jawed vertebrates) Placodermi Chondrichthyes (cartilaginous fish) Acanthodii Osteichthyes (bony fish) Actinopterygii (ray-finned fish) Sarcopterygii (lobe-finned fish) Actinistia (coelacanths) Dipnoi (lungfish) A fish is a poikilothermic... Genera Alfaro Belonesox Brachyrhapis Cnesterodon Gambusia (mosquitofishes) Girardichthys Girardinus Heterandria Heterophallus Jenynsia Limia Micropoecilia Phallichthys Phalloceros Phalloptychus Platypoecilus Poecilia (mollies) Poeciliopsis Priapella Pseudoxiphophorus Quitana Xiphophorus (swordtails, platys) Poeciliidae is a family of fresh-water fishes, which are ovo-viviparous (they give birth to live young; see also live-bearing aquarium... Scientific classification or biological classification refers to how biologists group and categorize extinct and living species of organisms. ... Families Anablepidae (four-eyed fish) Cyprinodontidae (pupfish) Fundulidae Goodeidae Rivulinidae Poeciliidae (live-bearers) (and others) The Cyprinodontiformes is an order of ray-finned fish, also called the Microcyprini, and comprising mostly small, fresh-water fish. ... Type specimens When a new species is discovered, more important than creating a new and unique name for the species is developing a reasonably detailed description. ... Jump to: navigation, search Binomial name Xiphophorus hellerii Heckel, 1848 For the genus of butterflies commonly known as swordtails, see Graphium. ... Live-bearing aquarium fish, often simply called livebearers are fish that retain the eggs inside the body and give birth to live, free-swimming young. ... Jump to: navigation, search In biology, the most commonly used definition of species was first coined by Ernst Mayr. ... A 335,000 U.S. gallon (1. ...

The various Xiphophorus species are native to areas of Belize, Guatemala, Honduras, and especially Mexico. All small fishes, they reach maximum lengths of 2.5–14 cm (1.0–5.5 in). CM or cm may stand for: Cameroon (ISO country code) Roman numeral for 900 Chelmsford: CM is the British post code for the region in eastern England which is served by the Chelmsford postal sorting office. ... Mid-19th century tool for converting between different standards of the inch An inch is an Imperial and U.S. customary unit of length. ...

IUCN lists two Xiphophorus species, X. meyeri and X. gordoni (the northern platyfish) as Endangered, while X. couchianus (the Monterrey platyfish) is Critically Endangered. The World Conservation Union or International Union for Conservation of Nature and Natural Resources (IUCN) is an international organization dedicated to natural resource conservation. ... Binomial name Xiphophorus couchianus (Girard, 1859) The Monterrey platyfish (Xiphophorus couchianus) is a species of freshwater fish in family Poecilidae of order Cyprinodontiformes. ...

F¹ hybrid of X. hellerii and X. maculatus.

Xiphophorus species are regularly used in genetic studies and scientists have developed many interspecific hybrids. In addition, several species are commonly kept by aquarium hobbyists. Jump to: navigation, search Image File history File links Hybrid_(Xiphophorus_helleri_x_Xiphophorus_maculatus). ... Jump to: navigation, search Image File history File links Hybrid_(Xiphophorus_helleri_x_Xiphophorus_maculatus). ... no shit sherlock hybrids are the first generation seeds/plants resulting from a cross mating of distinctly different parental types, the offspring of which produce a new, uniform seed variety with specific characteristics from both parents. ... Binomial name Xiphophorus hellerii Heckel, 1848 The green swordtail (Xiphophorus hellerii) is a species of freshwater fish in family Poecilidae of order Cyprinodontiformes. ... Binomial name Xiphophorus maculatus (Günther, 1866) The southern platyfish (Xiphophorus maculatus) is a species of freshwater fish in family Poecilidae of order Cyprinodontiformes. ... Genetics (from the Greek genno γεννώ= give birth) is the science of genes, heredity, and the variation of organisms. ... In biology, hybrid has three meanings. ...

The name Xiphophorus derives from the Greek words ξίφος (sword) and -φόρος (-bearer).

Species

• X. alvarezi
• X. andersi
• X. birchmanni
• X. clemenciae – yellow swordtail
• X. continens
• X. cortezi
• X. couchianus – Monterrey platyfish
• X. evelynae – Puebla platyfish
• X. gordoni – northern platyfish
• X. hellerii – green swordtail
• X. kosszanderi
• X. maculatus – southern platyfish
• X. malinche
• X. mayae
• X. meyeri
• X. milleri
• X. montezumae – Montezuma swordtail
• X. multilineatus
• X. nezahualcoyotl
• X. nigrensis
• X. pygmaeus – pygmy swordtail
• X. roseni
• X. signum
• X. variatus – variable platyfish
• X. xiphidium

Binomial name Xiphophorus couchianus (Girard, 1859) The Monterrey platyfish (Xiphophorus couchianus) is a species of freshwater fish in family Poecilidae of order Cyprinodontiformes. ... Binomial name Xiphophorus hellerii Heckel, 1848 The green swordtail (Xiphophorus hellerii) is a species of freshwater fish in family Poecilidae of order Cyprinodontiformes. ... Binomial name Xiphophorus maculatus (Günther, 1866) The southern platyfish (Xiphophorus maculatus) is a species of freshwater fish in family Poecilidae of order Cyprinodontiformes. ... Binomial name Xiphophorus variatus (Meek, 1904) The variable platyfish (Xiphophorus variatus) is a species of freshwater fish in family Poecilidae of order Cyprinodontiformes. ...

References

• "Xiphophorus". FishBase. Ed. Ranier Froese and Daniel Pauly. October 2004 version. N.p.: FishBase, 2004.
• "Xiphophorus" (TSN 165919). Integrated Taxonomic Information System. N.p.: Integrated Taxonomic Information System, 2004. Accessed on 9 December 2004.

FishBase is a comprehensive database of information about fish. ... The Integrated Taxonomic Information System or ITIS is a partnership designed to provide consistent and reliable information on the taxonomy of biological species. ... Jump to: navigation, search December 9 is the 343rd day (344th in leap years) of the year in the Gregorian calendar. ... Jump to: navigation, search 2004(MMIV) is a leap year starting on Thursday of the Gregorian calendar. ...

External links

• xiphophorus.org