<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>1870-3453</journal-id>
<journal-title><![CDATA[Revista mexicana de biodiversidad]]></journal-title>
<abbrev-journal-title><![CDATA[Rev. Mex. Biodiv.]]></abbrev-journal-title>
<issn>1870-3453</issn>
<publisher>
<publisher-name><![CDATA[Instituto de Biología]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-34532016000200390</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2016.04.008</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Morphometric and meristic characterization of the endemic Desert chub Gila eremica (Teleostei: Cyprinidae), and its related congeners in Sonora, Mexico]]></article-title>
<article-title xml:lang="es"><![CDATA[Caracterización morfométrica y merística de la carpa del desierto endémica Gila eremica (Teleostei: Cyprinidae) y sus congéneres relacionados en Sonora, México]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ballesteros-Córdova]]></surname>
<given-names><![CDATA[Carlos A.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ruiz-Campos]]></surname>
<given-names><![CDATA[Gorgonio]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Findley]]></surname>
<given-names><![CDATA[Lloyd T.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Grijalva-Chon]]></surname>
<given-names><![CDATA[José M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Gutiérrez-Millán]]></surname>
<given-names><![CDATA[Luis E.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Varela-Romero]]></surname>
<given-names><![CDATA[Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Sonora Departamento de Investigaciones Científicas y Tecnológicas ]]></institution>
<addr-line><![CDATA[Hermosillo Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Autónoma de Baja California Facultad de Ciencias ]]></institution>
<addr-line><![CDATA[Ensenada Baja California]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Centro de Investigación en Alimentación y Desarrollo, A.C.  ]]></institution>
<addr-line><![CDATA[Guaymas Sonora]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2016</year>
</pub-date>
<volume>87</volume>
<numero>2</numero>
<fpage>390</fpage>
<lpage>398</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532016000200390&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532016000200390&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532016000200390&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The Desert chub, Gila eremicaDeMarais, 1991 is a freshwater fish endemic to Northwest Mexico, being described from the Sonora, Matape and Yaqui River basins in Sonora, Mexico. The recent discovery of 2 isolated small populations from the known distribution for this taxon makes necessary an evaluation to determine their specific taxonomical identities (herein designated as G. cf. eremica). Thirty-three morphometric and 6 meristic characters were evaluated in 219 specimens of several populations of the genus Gila in Sonora, including all the known populations of G. eremica. Morphometric measures based on box-truss protocol were standardized by regression models, and analyzed by means of a discriminant function analysis (DFA). The canonical variables 1 and 2 explained 72.4% of the total variation among analyzed populations. Tree diagram based on squared Mahalanobis distances, as well as scatterplots of centroids, showed G. cf. eremica to be morphologically divergent with respect to known populations of G. eremica as well as the other species analyzed. Box plots indicated a slimmer body and a smaller number of pectoral fin rays, and a higher number of lateral line scales as the most distinguishable characters in G. cf. eremica with respect to nominal G. eremica.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: La carpa del desierto, Gila eremicaDeMarais, 1991, es un pez dulceacuícola endémico del noroeste de México, descrito para las cuencas de los ríos Sonora, Mátape y Yaqui en Sonora, México. El descubrimiento de 2 pequeñas poblaciones aisladas del resto de la distribución conocida para este taxón, hace necesaria una evaluación para determinar su identidad específica (designado aquí como G. cf. eremica). Se evaluaron 33 caracteres morfológicos y 6 merísticos en 219 especímenes del género Gila en Sonora, incluyendo todas las poblaciones conocidas de G. eremica. Se estandarizaron las mediciones morfométricas del protocolo de box-truss mediante modelos de regresión y se analizaron por análisis de función discriminante. Las variables canónicas 1 y 2 explicaron el 72.36% de la variación entre las poblaciones. El árbol de distancias cuadráticas de Mahalanobis y el gráfico de dispersión de los centroides mostraron morfológicamente divergente a G. cf. eremica respecto a las poblaciones conocidas de G. eremica y otras especies analizadas. Los diagramas de cajas indicaron un cuerpo más delgado, menos radios en la aleta pectoral y un mayor número de escamas en la línea lateral como los caracteres más distinguibles entre G. cf. eremica, respecto a la G. eremica nominal.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Gila cf. eremica]]></kwd>
<kwd lng="en"><![CDATA[Cyprinidae]]></kwd>
<kwd lng="en"><![CDATA[New populations]]></kwd>
<kwd lng="en"><![CDATA[Discriminant function analysis]]></kwd>
<kwd lng="en"><![CDATA[Northwest Mexico]]></kwd>
<kwd lng="es"><![CDATA[Gila cf. eremica]]></kwd>
<kwd lng="es"><![CDATA[Cyprinidae]]></kwd>
<kwd lng="es"><![CDATA[Nuevas poblaciones]]></kwd>
<kwd lng="es"><![CDATA[Análisis de función discriminante]]></kwd>
<kwd lng="es"><![CDATA[Noroeste de México]]></kwd>
</kwd-group>
</article-meta>
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