<?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>S1870-34532016000401342</article-id>
<article-id pub-id-type="doi">10.1016/j.rmb.2016.09.005</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Identificación del ostión americano Crassostrea virginica (Mollusca: Bivalvia: Ostreidae) como recurso natural en las Antillas Mayores: Cuba]]></article-title>
<article-title xml:lang="en"><![CDATA[Identification of the American oyster Crassostrea virginica (Mollusca: Bivalvia: Ostreidae) as a natural resource in the Greater Antilles: Cuba]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Betanzos-Vega]]></surname>
<given-names><![CDATA[Abel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Lodeiros]]></surname>
<given-names><![CDATA[César]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Espinosa-Sáez]]></surname>
<given-names><![CDATA[José]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Mazón-Suástegui]]></surname>
<given-names><![CDATA[José M.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Centro de Investigaciones Pesqueras  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de Oriente Instituto Oceanográfico de Venezuela ]]></institution>
<addr-line><![CDATA[Cumaná ]]></addr-line>
<country>Venezuela</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Instituto de Oceanología  ]]></institution>
<addr-line><![CDATA[La Habana ]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Centro de Investigaciones Biológicas del Noroeste, S. C.  ]]></institution>
<addr-line><![CDATA[La Paz Baja California Sur]]></addr-line>
<country>México</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2016</year>
</pub-date>
<volume>87</volume>
<numero>4</numero>
<fpage>1342</fpage>
<lpage>1347</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-34532016000401342&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-34532016000401342&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-34532016000401342&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen: El ostión de mangle Crassostrea rhizophorae (Guilding, 1828) ha sido considerado la única especie de ostión nativo que se comercializa en Cuba. Sin embargo, se han encontrando agregaciones de «ostión de fondo» en las cuencas de los ríos Cuyaguateje y Cauto de Cuba, con morfología y hábitat diferentes a C. rhizophorae, cuya extracción contribuye a la producción ostrícola nacional. El presente estudio tuvo como objetivo la caracterización fenotípica de ambos ostiones en 3 zonas de estas cuencas, mostrando evidencias de dicotomías fenotípicas y de hábitat entre ambos recursos pesqueros, mostrando a Crassostrea virginica (Gmelin, 1791) como la especie denominada «ostión de fondo». Esta mostró una talla (promedio 61.1 ± 23.46 mm, máxima 145 mm) superior al 65% de la del ostión de mangle C. rhizophorae (promedio 37.2 ± 11.95 mm, máxima 87 mm), así como un mayor rendimiento (4.5-10.2% de carne con respecto al peso total) que las poblaciones del ostión de mangle (3.9 a 7.1%). Este estudio registra por primera vez la especie C. virginica como recurso natural en explotación comercial en Cuba y su mayor rendimiento evidencia un potencial como especie cultivable en las Antillas Mayores.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract: The mangrove oyster Crassostrea rhizophorae (Guilding, 1828) is the only native species of oyster marketed in Cuba. However, oyster beds (known locally as &#8220;bottom oyster&#8221;) were found in the mouth of the Cuyaguateje and Cauto Rivers, with a different morphology and occupying a different habitat with respect to C. rhizophorae. These also contribute to oyster production in Cuba. We addressed studies for phenotypic characterization of both oysters found in 3 areas surrounding these 2 rivers, finding evidence of phenotypic and habitat dichotomies of the bottom oyster from the mangrove oyster. We conclude that Crassostrea virginica (Gmelin, 1791) is the species called &#8220;bottom-oyster&#8221;. Its average size is 61.1 ± 23.46 mm and reaches a maximum length of 145 mm), which is 65% larger than the mangrove oyster C. rhizophorae (average 37.2 ± 11.95 mm, maximum 87 mm) and has higher meat yield (4.5-10.2% meat of total weight) than populations of the mangrove oyster (3.9 to 7.1%). This study is the first report of C. virginica available as a natural resource for commercial exploitation in Cuba. Its excellent performance recommends it for cultivation in the Greater Antilles.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[Dicotomía fenotípica]]></kwd>
<kwd lng="es"><![CDATA[Recurso marino]]></kwd>
<kwd lng="es"><![CDATA[Ostreidae]]></kwd>
<kwd lng="es"><![CDATA[Cuba]]></kwd>
<kwd lng="en"><![CDATA[Phenotypic dichotomy]]></kwd>
<kwd lng="en"><![CDATA[Marine resource]]></kwd>
<kwd lng="en"><![CDATA[Ostreidae]]></kwd>
<kwd lng="en"><![CDATA[Cuba]]></kwd>
</kwd-group>
</article-meta>
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