<?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>S1870-34532023000100313</article-id>
<article-id pub-id-type="doi">10.22201/ib.20078706e.2023.94.4969</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Morphological differentiation of Ambystoma dumerilii populations in captivity and wildlife conditions]]></article-title>
<article-title xml:lang="es"><![CDATA[Diferenciación morfológica en poblaciones de Ambystoma dumerilii en condiciones de cautiverio y vida libre]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ramírez-López]]></surname>
<given-names><![CDATA[Berenice]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Suazo-Ortuño]]></surname>
<given-names><![CDATA[Ireri]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Escalera-Vázquez]]></surname>
<given-names><![CDATA[Luis H.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Domínguez-Domínguez]]></surname>
<given-names><![CDATA[Omar]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Maldonado-López]]></surname>
<given-names><![CDATA[Yurixhi]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Instituto de Investigaciones sobre los Recursos Naturales ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Facultad de Biología ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad Michoacana de San Nicolás de Hidalgo Instituto de Investigaciones sobre los Recursos Naturales ]]></institution>
<addr-line><![CDATA[Morelia Michoacán]]></addr-line>
<country>Mexico</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>00</month>
<year>2023</year>
</pub-date>
<volume>94</volume>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532023000100313&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532023000100313&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532023000100313&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Ambystoma dumerilii, known as "achoque", is a microendemic salamander from Lake Pátzcuaro, considered as a critically endangered species according to the IUCN (2020). The main threats are high levels of water contamination, high levels of eutrophication in addition to the fact that invasive species can be found within the "achoque" habitat. For these reasons, an important conservation effort has been the maintenance of "achoque" in captivity. However, captivity is known to be a stressor derived from non-optimal conditions that can have important physiological consequences that are reflected in body conditions. Therefore, our objective was to evaluate the condition of A. dumerilii individuals through a morphological analysis using different parameters such as morphological character sizes, geometric morphometrics, fluctuating asymmetry and allometry, in individuals from Lake Pátzcuaro and captivity. We found that almost all the traits have a negative allometric relationship with the body size in individuals from both conditions. Our results showed that individuals from the lake presented greater sizes, slimmer bodies and higher levels of fluctuating asymmetry than captive individuals, all results are consistent in the context of performance with greater potential adaptations to increase swimming performance than individuals from captivity.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Ambystoma dumerilii, conocido como "achoque", es una salamandra microendémica del lago de Pátzcuaro, considerada como en peligro crítico. Las principales amenazas son los altos niveles de contaminación del agua y de eutrofización, además de las especies invasoras dentro del hábitat del achoque. Por estas razones, un importante esfuerzo de conservación se ha enfocado en la crianza del achoque en cautiverio. Sin embargo, el cautiverio es un estresor derivado de las condiciones no óptimas que pueden tener importantes consecuencias fisiológicas que se reflejan en las condiciones corporales. Por tanto, nuestro objetivo fue evaluar la condición de individuos de A. dumerilii a través del análisis de la morfología utilizando diferentes parámetros como tallas, morfometría geométrica, asimetría fluctuante y alometría, en individuos del lago de Pátzcuaro y en cautiverio. Encontramos que casi todos los rasgos tienen una relación alométrica negativa con el tamaño corporal en individuos de ambas condiciones. Nuestros resultados mostraron que los individuos del lago presentaron mayores tamaños en los caracteres morfológicos, cuerpos más delgados y mayores niveles de asimetría fluctuante que los individuos en cautiverio, todos estos resultados son consistentes en el contexto del desempeño con mayores adaptaciones potenciales para aumentar el rendimiento del nado que los individuos en cautiverio.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Ambystoma]]></kwd>
<kwd lng="en"><![CDATA[Achoque]]></kwd>
<kwd lng="en"><![CDATA[Allometric patterns]]></kwd>
<kwd lng="en"><![CDATA[Fluctuating asymmetry]]></kwd>
<kwd lng="en"><![CDATA[Geometric morphometrics]]></kwd>
<kwd lng="en"><![CDATA[Habitat perturbation]]></kwd>
<kwd lng="es"><![CDATA[Ambystoma]]></kwd>
<kwd lng="es"><![CDATA[Achoque]]></kwd>
<kwd lng="es"><![CDATA[Patrones alométricos]]></kwd>
<kwd lng="es"><![CDATA[Asimetría fluctuante]]></kwd>
<kwd lng="es"><![CDATA[Morfometría geométrica]]></kwd>
<kwd lng="es"><![CDATA[Perturbación del habitat]]></kwd>
</kwd-group>
</article-meta>
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