Klaus kallman, the xgsc moved to texas state university. It appears tobe the northernmost species of the genus. All structured data from the file and property namespaces is available under the creative commons cc0 license. Actinopterygii rayfinned fishes cyprinodontiformes rivulines, killifishes and live bearers poeciliidae poeciliids poeciliinae etymology. The monterrey platyfish xiphophorus couchianus is a species of freshwater fish in the family poecilidae. Download acrobat pdf file 545kb supplement table 1. A very nice, yellow sport of the pygmy swordtail exists. The information presented in these manuals should help farmers to overcome some of the difficulties encountered with the commercial production of ornamental fish in hawaii. The many xiphophorus species are all called either platyfish or platies or swordtails. Xiphophorus couchianus female picture by nilsson, k.
But the fact that the main population has been extinct since the 1960s, and that a color morph population possibly a different species or hybrid may be extinct or at best critically endangered, brings with it the cache of something rare and. Genetic hybrids of the genus xiphophorus have historically been useful models for study of the genetic aspects of tumor formation. Of the 27 species of xiphophorus, conventional cryopreservation of germplasm yielding offspring has been reported in only 3 species x. A manual for commercial production of the swordtail. The xiphophorus genetic stock center, founded by myron gordon in 1939, is an important source of these fish for research. Etiology of mnuinduced melanomas in xiphophorus hybrids. This page was last edited on 23 october 2012, at 07.
Itis col worms cloffa actinopterygii rayfinned fishes cyprinodontiformes rivulines, killifishes and live bearers poeciliidae poeciliids poeciliinae etymology. Download acrobat pdf file 28mb supplementary tables table s1. The xiphophorus genetic stock center has operated within the united states since the 1930s making it one of the oldest live animal resource centers worldwide. Embryonic development of the platyfish platypoecilus. Characterization, identification and phylogeny of the. Hosted by the usgs core science analytics and synthesis. The monterrey platyfish xiphophorus couchianus is native to the vicinity of monterrey, mexico and is listed as critically endangered by international union for. Jul 12, 2016 males of the pygmy swordtail xiphophorus pygmaeus become only about 3.
Hybridizationresponsive genes in spcouch, compared to x. The stars are the locations where fishes were collected and the red stars are the location of. Xiphophorus synonyms, xiphophorus pronunciation, xiphophorus translation, english dictionary definition of xiphophorus. Identification of transcriptome snps between xiphophorus. However, it is not a legal authority for statutory or regulatory purposes. Preserving xiphophorus couchianus in the home aquarium, part. A new species of the genus xiphophorus h eckel endemic to. In the arroyo chapultepec natural hybrids between x.
Ginklasipika han iucn an species komo nangangaratan duro. The genus xiphophorus is composed of 26 described members of platyfish and swordtails. Through heavy feeding of live foods, top water quality and a variety of other tricks he got them to 5. Xiphophorus interspecies hybrids as genetic models of. By yingjia shen, domitille chalopin, tzintzuni garcia, mikki boswell. The swordtail, xiphophorus clemenciae poeciliidae, has been considered a species of special concern because of its apparent limited range.
This species is distinguished by having a medium to large swordtail with a long straight caudal appendage. An xiphophorus couchianus in uska species han actinopterygii nga syahan ginhulagway ni girard hadton 1859. They have been in the tropical fish hobby for as long as it has existed. Xiphophorus monticolus, southern mountain swordtail.
Xiphophorus couchianus monterrey platy fish can be kept in community aquariums with other fishes with equal demands. The specific name refers to the american soldier and naturalist darius n. Pdf comprehensive phylogenetic analysis of all species of. Xiphophorus couchianus monterrey platy fish should be kept in an aquarium that is densely planted among the sides and back. The common name for this fish is the chiapas sword which makes sense since chiapas is smack dab in the middle of the range of this fish. Recent advances in sunlightinduced carcinogenesis using. This page was last edited on 17 november 2016, at 08. All structured data from the file and property namespaces is available under the. The availability of high quality genome assemblies in key xiphophorus species i. This manual on the commercial production of the swordtail, xiphophorus helleri, is the latest in the series.
A livebearer, it was native to a very small section of the san juan river system itself part of the rio grande basin in the vicinity of the city of monterrey, mexico. Fishes of the genus xiphophorus are wellstudied biomedical research models, and. The females become a bit larger, but even the dames are very small fshes, compared with the commonly known swordtail, xiphophorus hellerii. Xiphophorus fishes are represented by 26 livebearing species of tropical. Xiphophorus specimens collected by m, gordon from huasteca have also been considered to be x. The xgsc is one of the oldest scientific resource centers in america. Xiphophorus couchianus is one of the three northern platys that belong to the rio grande platy subset consisting of consisting of x.
It has continually provided scientists with pedigreed and inbred strains of livebearing platyfishes and swordtails of the genus xiphophorus for over 80. Preserving xiphophorus couchianus in the home aquarium. An emerging system in ecological and evolutionary genetics. Xiphophorus couchianus monterrey platyfish discover life. Cortisol release in response to uvb exposure in xiphophorus fish. The monterrey platyfish xiphophorus couchianus is a species of freshwater fish in family. While every effort has been made to provide the most reliable and uptodate information available, ultimate legal requirements with respect to species are contained in. The assembly is on scaffold level, consisting of 74,316 contigs assembled into 25 scaffolds. Page designed through the cooperative efforts of interagency itis teams. Schreibman, 1973a a sexlinked gene controlling gonadotrop differentiation and its significance in determining the age of sexual maturation and size of the platyfish, xiphophorus maculatus. Pdf background males in some species of the genus xiphophorus, small freshwater fishes from mesoamerica.
Help pages, faqs, uniprotkb manual, documents, news archive and biocuration projects. Identification of transcriptome snps between xiphophorus lines and species for assessing allele specific gene expression within f. Characterization of telomeres and telomerase expression in. In 1992, due to the retirement of its past director dr. Discover lifes page about the biology, natural history, ecology, identification and distribution of xiphophorus couchianus monterrey platyfish discover life. Xiphophorus definition of xiphophorus by the free dictionary. The complete mitochondrial genome of the monterrey platyfish. All fish in the xgsc were maintained as pedigreed lines. Previously, it was demonstrated that first generation backcross bc 1 hybrids between the parentals of xiphophorus maculatus jp 163b strain and xiphophorus couchianus are susceptible to uvinduced melanomagenesis setlow et al. An xiphophorus couchianus in nahilalakip ha genus nga xiphophorus, ngan familia nga poeciliidae. An xiphophorus maculatus in nahilalakip ha genus nga xiphophorus, ngan familia nga poeciliidae. To validate use of the water and ensure there were no background traces of cortisol, 50 ml volumes were analyzed using methods described for fish samples section 2. Water from home aquaria was collected for use in experiments.
We present sequencing, assembly and annotation of two new genomes representing xiphophorus couchianus and xiphophorus hellerii. The xiphophorus genetic stock center provides fish from more than 70 genetic strains to scientists and aquarists around the world. The monterrey platyfish xiphophorus couchianus is a species of freshwater fish in family poecilidae. Molecular genetic response of xiphophorus maculatusx. Like most other new world poeciliids, platies and swordtails are livebearers. An xiphophorus maculatus in uska species han actinopterygii nga syahan ginhulagway ni gunther hadton 1866. Indeed, xiphophorus couchianus may be the most plain jane of all the platies and swortails. The n50 size is the length such that 50% of the assembled genome lies in blocks of the n50 size or longer. Gene expression variation and parental allele inheritance. Production of f1 offspring with vitrified sperm from a live. Allelic expression preference and coefficient of variation in interspecies f 1. Classification names common names synonyms catalog of fishes gen. The xiphophorus genetic stock center currently hosts genomes for 4 xiphophorus species. Xiphophorus couchianus apodaca 5 xiphophorus evelynae tecolutla 5 xiphophorus gordoni cuatro cienagas 5 xiphophorus hellerii r.
Platypoecilus maculatus development, compared to that of xiphophorus hellerii and platypoecilus xiphophorus hybrids, shows the following differences. To view articles you must have the free adobe acrobat reader. Species xiphophorus couchianus monterrey platyfish. Xiphophorus alvarezi is a livebearing poecilid found along the atlantic slope in southern mexico and guatemala. Xiphophorus clemenciae general introduction 66 xiphophorus clemenciae, fincaii 67 xiphophorus clemenciae, grande 68 xiphophorus continens 69 xiphophorus cortezi 70 xiphophorus couchianus 73 xiphophorus evelynae 74 xiphophorus gordoni 76 xiphophorus meyeri, muzquiz platyfish 78 xiphophorus milleri 80 xiphophorus mixei, sol 82 xiphophorus. The genome alignment data is also available in the data directory. Itis taxonomy is based on the latest scientific consensus available, and is provided as a general reference source for interested parties. Approximate geographical distributions of three xiphophorus species.
Two new species of xiphophorus poeciliidae from the. Xiphophorus couchianus was first described in 1859 from monterrey and cadereyta by cli. Fish of the genus xiphophorus are commonly referred to as the platies and swordtails. Genus xiphophorus uncovers a hybrid origin of a swordtail fish, xiphophorus monticolus, and demonstrates that the sexually selected sword originated in the ancestral lineage of the genus, but was lost. A taxonomic genus within the family poeciliidae platyfish and swordtails. The evolutionary history of xiphophorus fish and their. Name derived from latin for a dweller in the mountains, referring to the species restricted range to headwater streams inside the sierra. Fulltext is provided in portable document format pdf. Although described in 1959, it is officially still known only from three locations in the rio coatzacoalcos basin, mexico.
Sperm cryopreservation of a livebearing fish, xiphophorus couchianus. Myron gordon established the xiphophorus genetic stock center xgsc at the american museum of natural history. Adults occur in warm springs, canals and ditches with typically slowmoving water, silt bottoms and weedy banks refs. Comprehensive phylogenetic analysis of all species of swordtails and platies pisces. Two new species of xiphophorus poeciliidae from the isthmus. Espesye sa isda nga una nga gihulagway ni girard ni adtong 1859 ang xiphophorus couchianus. Files are available under licenses specified on their description page. Xiphophorus is a genus of euryhaline and freshwater fishes in the family poeciliidae of order cyprinodontiformes, native to mexico and northern central america.
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