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   <front>
      <journal-meta>
         <journal-id journal-id-type="publisher-id">revmar</journal-id>
         <journal-title-group>
            <journal-title>Revista Ciencias Marinas y Costeras</journal-title>
            <abbrev-journal-title abbrev-type="publisher">Rev. Cienc. Mar. Cost</abbrev-journal-title>
         </journal-title-group>
         <issn pub-type="ppub">1659-455X</issn>
         <issn pub-type="epub">1659-407X</issn>
         <publisher>
            <publisher-name>Universidad Nacional, Costa Rica</publisher-name>
         </publisher>
      </journal-meta>
      <article-meta>
         <article-id pub-id-type="doi">10.15359/revmar.12-1.5</article-id>
         <article-categories>
            <subj-group subj-group-type="heading">
               <subject>Artículo</subject>
            </subj-group>
         </article-categories>
         <title-group>
            <article-title>
               <bold>
                  <italic>Nerocila acuminata</italic> (Isopoda: Cymothoidae) como parásito de cápsulas ovígeras de <italic>Rostroraja texana</italic>: lista de hospederos conocidos</bold>
            </article-title>
            <trans-title-group xml:lang="en">
               <trans-title>
                  <bold>
                     <italic>Nerocila acuminata</italic> (Isopoda: Cymothoidae) as an egg capsule parasite of <italic>Rostroraja texana</italic>: list of known hosts</bold>
               </trans-title>
            </trans-title-group>
         </title-group>
         <contrib-group>
            <contrib contrib-type="author">
               <name>
                  <surname>Moral-Flores</surname>
                  <given-names>Luis Fernando Del</given-names>
               </name>
               <xref ref-type="aff" rid="aff1">
                  <sup>1</sup>
               </xref>
            </contrib>
            <contrib contrib-type="author">
               <name>
                  <surname>Sotelo-Sánchez</surname>
                  <given-names>Luis Alfredo</given-names>
               </name>
               <xref ref-type="aff" rid="aff2">
                  <sup>
                     <italic>2</italic>
                  </sup>
               </xref>
            </contrib>
            <contrib contrib-type="author">
               <name>
                  <surname>Ortíz</surname>
                  <given-names>Manuel</given-names>
               </name>
               <xref ref-type="aff" rid="aff3">
                  <sup>3</sup>
               </xref>
            </contrib>
         </contrib-group>
         <aff id="aff1">
            <label>1</label>
            <institution content-type="original"> Laboratorio de Zoología, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM). Estado de México, México. delmoralfer@comunidad.unam.mx ORCID: https://orcid.org/0000-0002-7804-2716</institution>
            <institution content-type="normalized">Universidad Nacional Autónoma de México</institution>
            <institution content-type="orgdiv2">Laboratorio de Zoología</institution>
            <institution content-type="orgdiv1">Facultad de Estudios Superiores Iztacala</institution>
            <institution content-type="orgname">Universidad Nacional Autónoma de México</institution>
            <addr-line>
               <state>Estado de México</state>
            </addr-line>
            <country country="MX">Mexico</country>
            <email>delmoralfer@comunidad.unam.mx</email>
         </aff>
         <aff id="aff2">
            <label>2</label>
            <institution content-type="original"> Laboratorio de Zoología, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM). Estado de México, México. sotelos.alfredo@gmail.com ORCID: https://orcid.org/0000-0001-5798-5048</institution>
            <institution content-type="normalized">Universidad Nacional Autónoma de México</institution>
            <institution content-type="orgdiv2">Laboratorio de Zoología</institution>
            <institution content-type="orgdiv1">Facultad de Estudios Superiores Iztacala</institution>
            <institution content-type="orgname">Universidad Nacional Autónoma de México</institution>
            <addr-line>
               <state>Estado de México</state>
            </addr-line>
            <country country="MX">Mexico</country>
            <email>sotelos.alfredo@gmail.com</email>
         </aff>
         <aff id="aff3">
            <label>3</label>
            <institution content-type="original"> Laboratorio de Crustáceos, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México (UNAM). Estado de México, México. or-tiztouzet@yahoo.com ORCID: https://orcid.org/0000-0002-6985-8019</institution>
            <institution content-type="normalized">Universidad Nacional Autónoma de México</institution>
            <institution content-type="orgdiv2">Laboratorio de Crustáceos</institution>
            <institution content-type="orgdiv1">Facultad de Estudios Superiores Iztacala</institution>
            <institution content-type="orgname">Universidad Nacional Autónoma de México</institution>
            <addr-line>
               <state>Estado de México</state>
            </addr-line>
            <country country="MX">Mexico</country>
            <email>or-tiztouzet@yahoo.com</email>
         </aff>
         <pub-date pub-type="collection">
            <season>Jan-Jun</season>
            <year>2020</year>
         </pub-date>
         <volume>12</volume>
         <issue>1</issue>
         <fpage>89</fpage>
         <lpage>106</lpage>
         <history>
            <date date-type="received">
               <day>14</day>
               <month>01</month>
               <year>2020</year>
            </date>
            <date date-type="accepted">
               <day>21</day>
               <month>04</month>
               <year>2020</year>
            </date>
         </history>
         <permissions>
            <license xml:lang="es" license-type="open-access"
                     xlink:href="https://creativecommons.org/licenses/by-nc-nd/3.0/">
               <license-p>Este es un artículo publicado en acceso abierto bajo una licencia Creative Commons</license-p>
            </license>
         </permissions>
         <abstract>
            <title>RESUMEN</title>
            <p>Los isópodos de la familia Cymothoidae se caracterizan por ser ectoparásitos de una gran variedad de especies marinas, que incluyen al grupo de los tiburones y rayas. Sin embargo, las interacciones con este grupo son poco conocidas. Así, el presente trabajo tiene como objetivo evidenciar el primer registro de la asociación de cuatro isópodos hembras de <italic>N. acuminata</italic> (20-28 mm longitud total, 15-18 mm de ancho) con dos cápsulas ovígeras de <italic>R. texana</italic> encontradas en el estómago del tiburón martillo común <italic>S. lewini</italic>. La captura del tiburón se realizó el 17 de febrero de 2019 en la pesca artesanal de Salinas Punta Roca Partida, sur de Veracruz, México. Se presenta, además, una lista de 67 especies nominales de peces hospederos, así como algunos peces no identificados, incluidas en 36 familias, 19 órdenes y dos clases, registrados para <italic>N. acuminata</italic>, típica del Atlántico occidental, y su congénere del Pacífico oriental, <italic>N. californica</italic>. Esto demuestra que ambas especies de isópodos tienen varios peces hospedantes; sin embargo, se observa preferencia por las especies demersales, al destacar la familia Sciaenidae.</p>
         </abstract>
         <trans-abstract xml:lang="en">
            <title>ABSTRACT</title>
            <p>Isopods of the Cymothoidae family are characterized for being ectoparasites of a wide variety of marine species including the shark and ray group. However, little is known of their interaction with this group. Consequently, this paper is aimed to present the first record of the association of four female <italic>N. acuminata</italic> isopods (20-28 mm total length, 15-18 mm wide) with two egg capsules of <italic>R. texana</italic>, found in the stomach of a <italic>S. lewini</italic> common hammerhead shark. The shark was captured on February 17, 2019 using artisanal fishing in Salinas Punta Roca Partida, southern Veracruz, Mexico. A list of 67 nominal host fish species as well as some unidentified fish is presented including 36 families, 19 orders, and two classes, registered for <italic>N. acuminata</italic>, which is characteristic of the western Atlantic, and its eastern Pacific counterpart, <italic>N. californica</italic>. This demonstrates that both isopod species have several host fish; however, a preference for demersal species is observed, highlighting the Sciaenidae family.</p>
         </trans-abstract>
         <kwd-group xml:lang="es">
            <title>Palabras clave:</title>
            <kwd>Batoidei</kwd>
            <kwd>ectoparásito</kwd>
            <kwd>Elasmobranchii</kwd>
            <kwd>golfo de México</kwd>
            <kwd>isópodo</kwd>
         </kwd-group>
         <kwd-group xml:lang="en">
            <title>Keywords:</title>
            <kwd>Batoidei</kwd>
            <kwd>ectoparasite</kwd>
            <kwd>Elasmobranchii</kwd>
            <kwd>Gulf of Mexico</kwd>
            <kwd>isopod</kwd>
         </kwd-group>
         <counts>
            <fig-count count="3"/>
            <table-count count="1"/>
            <equation-count count="0"/>
            <ref-count count="34"/>
            <page-count count="18"/>
         </counts>
      </article-meta>
   </front>
   <body>
      <sec sec-type="intro">
         <title>INTRODUCCIÓN</title>
         <bold> </bold>
         <p>Los isópodos de la familia Cymothoidae son ectoparásitos de varias especies de peces marinas, estuarinas y dulceacuícolas (<xref ref-type="bibr" rid="B25">Smit et al. 2014</xref>). El género <italic>Nerocila</italic> Leach, 1818 cuenta con al menos 65 especies válidas (<xref ref-type="bibr" rid="B28">Trilles et al. 2013</xref>). En el Atlántico occidental, cuatro de ellas tienen distribución alopátrica. <italic>Nerocila lanceolata</italic> se extiende de nueva Inglaterra a Panamá, incluye a Cuba y las Bermudas; <italic>Nerocila fluviatilis</italic> de Brasil a Trinidad y Tobago; <italic>Nerocila benrosei</italic> del norte de las Bahamas y posiblemente Bermuda (<xref ref-type="bibr" rid="B9">Bunkley-Williams &amp; Williams, 1999</xref>); y <italic>Nerocila acuminata</italic> con distribución más amplia y que en fase adulta se considera ectoparásito de peces marinos, incluye tiburones y rayas (Elasmobranchii), tanto pelágicos como demersales, los cuales se adhieren a la piel en la base de las aletas dorsal, pélvica y caudal, además de introducirse a los arcos branquiales y boca (<xref ref-type="bibr" rid="B6">Brusca, 1981</xref>; <xref ref-type="bibr" rid="B23">Segal, 1987</xref>).</p>
         <p>Se han reportado 42 especies de elasmobranquios que son parasitadas por isópodos (<xref ref-type="bibr" rid="B19">Moreira &amp; Sadowsky, 1978</xref>; <xref ref-type="bibr" rid="B2">Benz &amp; Bullard, 2004</xref>; <xref ref-type="bibr" rid="B11">Caira et al. 2012</xref>). Estos pertenecen a las familias Aegidae, Cirolanidae, Corallanidae, Gnathiidae y Cymothoidae (<xref ref-type="bibr" rid="B10">Caira &amp; Healy, 2004</xref>). Algunos de estos pueden parasitar a más de una especie de tiburón o raya. Así, en el Atlántico occidental <italic>Natatolana borealis</italic> se ha encontrado adherida a la piel, cavidad pericárdica y ventrículo o cono arterioso de al menos ocho especies de tiburones (<xref ref-type="bibr" rid="B3">Bird, 1978</xref>). Mientras que tres especies de isópodos (<italic>Aega</italic> sp., <italic>Aegaphales</italic> sp. y <italic>Cirolana</italic> sp.) se han reportado que infestan a dos especies de tiburones de aguas profundas (<xref ref-type="bibr" rid="B24">Shipley et al. 2017</xref>).</p>
         <p>Los registros preexistentes de <italic>N. acuminata </italic>y <italic>N. californica </italic>que parasitan a peces son poco documentados, además, se han mezclado los registros que las consideran una sola especie (<xref ref-type="bibr" rid="B6">Brusca, 1981</xref>; <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte, 1989</xref>; <xref ref-type="bibr" rid="B12">Carrillo-Colín et al. 2016</xref>). Sin embargo, no existen trabajos que reporten al isópodo <italic>N. acuminata</italic> que parasita las cápsulas ovígeras de <italic>Rostroraja texana </italic>(Chandler, 1921), por lo que el objetivo del presente estudio es informar por primera vez esta asociación, encontrada indirectamente en el estómago de un tiburón martillo común capturado en la región costera de Los Tuxtlas, Veracruz, golfo de México, así como presentar una lista actualizada de los peces hospederos de <italic>N. acuminata</italic> y <italic>N. californica</italic>.</p>
      </sec>
      <sec sec-type="materials|methods">
         <title>MATERIALES Y MÉTODOS</title>
         <bold> </bold>
         <p>El material analizado proviene de un tiburón martillo <italic>Sphyrna lewini</italic> capturado con un palangre (línea madre de 1 500 m, orinques de 2 m, canastas de 100 m de profundidad, reinales de 60-200 m y anzuelos del número 9/0; (<xref ref-type="fig" rid="f1">Fig. 1</xref>) el 17 de febrero de 2019 frente a la planicie costera en el municipio San Andrés Tuxtla, al sur de Veracruz, 18° 42ʼ 18.3ʼʼ N - 95° 14ʼ 38.8ʼʼ W, golfo de México, por pescadores ribereños de la comunidad de Salinas Roca Partida (<xref ref-type="fig" rid="f2">Fig. 2</xref>).</p>
         <p>
            <fig id="f1">
               <label>Fig. 1</label>
               <caption>
                  <title>A) Esquema y características del palangre utilizado por los pescadores ribereños de la comunidad de Salinas Roca Partida, B) arte de pesca bajo resguardado antes de su uso, y c) anzuelo del número 9/0 utilizado en el palangre</title>
               </caption>
               <graphic xlink:href="a5v12n1image001.jpg"/>
            </fig>
         </p>
         <p>
            <fig id="f2">
               <label>Fig. 2</label>
               <caption>
                  <title>Mapa de la región de los Tuxtlas, suroeste del golfo de México, la flecha indica el área de estudio de la comunidad pesquera de Salinas Punta Roca Partida, Veracruz, México</title>
               </caption>
               <graphic xlink:href="a5v12n1image002.jpg"/>
            </fig>
         </p>
         <p>El hospedero fue hallado como parte del espectro trófico del tiburón martillo. Se encontraron dos cápsulas ovígeras de <italic>R. texana</italic> las cuales tenían fuertemente adheridas cuatro especímenes hembras de <italic>N. acuminata. </italic>Dichos isópodos junto con las capsulas ovígeras se fijaron con formol al 10% y preservaron en alcohol al 70%. Se trasladaron al Laboratorio de Zoología en la Facultad de Estudios Superiores Iztacala para identificarlos taxonómicamente por medio de claves especializadas (<xref ref-type="bibr" rid="B6">Brusca, 1981</xref>; <xref ref-type="bibr" rid="B16">Kensley &amp; Schotte, 1989</xref>; <xref ref-type="bibr" rid="B26">Trilles, 1991</xref>; <xref ref-type="bibr" rid="B18">McEachran &amp; Fechhelm, 1998</xref>). La validación del estatus taxonómico actual de los isópodos sigue a la propuesta de <xref ref-type="bibr" rid="B4">Boyko et al. (2020</xref>).</p>
         <p>Finalmente, se elaboró una lista de hospederos conocidos para <italic>N. acuminata</italic> y <italic>N. californica</italic>, con los registros previos (<xref ref-type="bibr" rid="B5">Brusca, 1978</xref>, <xref ref-type="bibr" rid="B6">1981</xref>; <xref ref-type="bibr" rid="B7">Brusca &amp; Iverson, 1985</xref>; <xref ref-type="bibr" rid="B1">Álvarez-León, 1981</xref>; <xref ref-type="bibr" rid="B31">Williams &amp; Bunkley-Williams, 2003</xref>; <xref ref-type="bibr" rid="B12">Carrillo-Colín et al. 2016</xref>). Se actualizó el estado taxonómico de las especies de ícticas con ayuda de <xref ref-type="bibr" rid="B13">Fricke et al. (2020</xref>) y se ordenaron a partir de la clasificación de <xref ref-type="bibr" rid="B30">van der Laan et al. (2019</xref>).</p>
      </sec>
      <sec sec-type="results">
         <title>RESULTADOS</title>
         <bold> </bold>
         <p>Los cuatro isópodos colectados pertenecen a la especie <italic>N. acuminata</italic>, que presenta la siguiente posición taxonómica.</p>
         <p>TAXONOMÍA</p>
         <p>Filo Arthropoda von Siebold, 1848</p>
         <p>Subfilo Crustacea Brünnich, 1772</p>
         <p>Clase Malacostraca Latreille, 1802</p>
         <p>Subclase Eumalacostraca Grobben, 1892</p>
         <p>Superorden Peracarida Calman, 1904</p>
         <p>Orden Isopoda Latreille, 1817</p>
         <p>Suborden Flabellifera Sars, 1882</p>
         <p>Familia Cymothoidae Leach, 1814</p>
         <p>Género <italic>Nerocila</italic> Leach, 1818</p> 
         <p>
            <italic>Nerocila acuminata </italic>Schioedte &amp; Meinert, 1881 </p>
         <p>(<xref ref-type="fig" rid="f3">Fig. 3</xref>)</p>
         <p>
            <fig id="f3">
               <label>Fig. 3</label>
               <caption>
                  <title>Ejemplar hembra de <italic>Nerocila acuminata</italic> (A) asociados a las cápsulas ovígeras de <italic>Rotroraja texana</italic> (B)</title>
               </caption>
               <graphic xlink:href="a5v12n1image003.jpg"> </graphic>
            </fig>
         </p> 
         <p>
            <italic>Características del hospedero</italic>: <italic>Sphyrna lewini</italic> (Griffith &amp; Smith, 1834), macho maduro de 2.9 m de LT, capturado a una profundidad cercana a los 60 m, fecha de captura 17 febrero 2019; dos capsulas ovígeras de <italic>R. texana </italic>(Chandler, 1921), 10.5 cm de altura, 6 cm de ancho.</p> 
         <p>
            <italic>Material examinado</italic>: cuatro hembras adultas, longitud total 20-28 mm, ancho 15-18 mm, localidad: Salinas Punta Roca Partida, San Andrés Tuxtla, México; colectado externamente de las cápsulas ovígeras de <italic>R. texana</italic>.</p>
         <p>La compilación bibliográfica antes consultada, así como la actualización y validación de los registros se realizó por medio del proyecto de <xref ref-type="bibr" rid="B13">Fricke et al. (2020</xref>) permitió referir 67 especies válidas de peces hospederos, que incluye algunas no identificadas, pertenecientes a 32 familias, 18 órdenes y dos clases (<xref ref-type="table" rid="t1">Cuadro 1</xref>), tanto para <italic>N. acuminata</italic> y <italic>N. californica</italic>. Esta última especie de isópodo presentó 46 especies de hospederos, se destacan los asociados con la familia Sciaenidae (9 especies) y Serranidae (7).</p>
         <p>
            <table-wrap id="t1">
               <label>Cuadro 1</label>
               <caption>
                  <title>Hospederos conocidos de <italic>Nerocila acuminata</italic> y <italic>N. californica</italic>. La clasificación del grupo íctico sigue la propuesta de <xref ref-type="bibr" rid="B30">van der Laan et al. (2019</xref>). Las especies de peces de cada familia se ordenaron de manera alfabética</title>
               </caption>
               <table>
                  <colgroup>
                     <col/>
                     <col/>
                     <col/>
                     <col span="2"/>
                     <col/>
                  </colgroup>
                  <thead>
                     <tr>
                        <th align="left">ORDEN/ FAMILIA/ Especie</th>
                        <th align="center">
                           <italic>N. acuminata</italic>
                        </th>
                        <th align="center">
                           <italic>N. californica</italic>
                        </th>
                        <th align="left" colspan="2">País
 </th>
                        <th align="left" rowspan="2">Referencia</th>
 
                     </tr>
                  </thead>
                  <tbody>
                     <tr>
                        <td align="left" colspan="5">CLASE ELASMOBRANCHII
ORDEN HETERODONTIFORMES
FAMILIA HETERODONTIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Heterodontus francisci</italic> (Girard 1855)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">California, E.E. UU.
 </td>
                        <td align="left" rowspan="3">Rhichardson 1905; <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981</td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN CARCHARHINIFORMES
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA TRIAKIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Triakis semifasciata</italic> Girard 1855</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">Rhichardson 1905; <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN RHINOPRISTIFORMES 
FAMILIA RHINOBATIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Pseudobatos glaucostigma</italic> (Jordan &amp; Gilbert 1883)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Sinaloa, México
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B12">Carrillo-Colín et al. 2016</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA PRISTIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Pristis</italic> sp.</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Florida, EE. UU.
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte, 1989</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN RAJIFORMES
FAMILIA RAJIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Rostroraja texana</italic> (Chandler 1921)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Veracruz, México
 </td>
                        <td align="left" rowspan="2">Presente trabajo</td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN MYLYOBATIFORMES
FAMILIA MYLIOBATIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Myliobatis</italic> sp.</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">Rhichardson 1905; <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">CLASE ACTINOPTERI
ORDEN LEPISOSTEIFORMES
FAMILIA LEPISOSTEIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Atractosteus spatula</italic> (Lacepède 1803)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Louisiana, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte, 1989</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Lepisosteus osseus </italic>(Linnaeus 1758)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B15">Hutton 1964</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN CLUPEIFORMES
FAMILIA ENGRAULIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Anchoa </italic>sp.</td>
                        <td align="left"> </td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Sonora, México
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Anchoa mitchilli </italic>(Valenciennes 1848)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B23">Segal 1987</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Cetengraulis mysticetus</italic> (Günther 1867)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de California, México
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981, 1985; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN SILURIFORMES
FAMILIA ARIIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Ariopsis felis</italic> (Linnaeus 1766)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Texas, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte, 1989</xref>; 1942; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Bagre marinus </italic>(Mitchill, 1815)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Texas, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B21">Pearse 1952</xref>, <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">Pez gato</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN BATRACHOIDIFORMES
FAMILIA BATRACHOIDIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Batrachoides surinamensis</italic> (Bloch &amp; Schneider 1801)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Colón, Panamá,
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte, 1989</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN SCOMBRIFORMES
FAMILIA STROMATEIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Peprilus paru</italic> (Linnaeus, 1758)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">FAMILIA SCOMBRIDAE</td>
                        <td align="left"> </td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left"> </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Euthynnus lineatus </italic>Kishinouye 1920</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">El Salvador
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Scomber japonicus </italic>Houttuyn 1782</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Panamá
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN ISTIOPHORIFORMES
FAMILIA ISTIOPHORIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Istiophorus platypterus</italic> (Shaw 1792)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Sinaloa, México
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Kajikia audax</italic> (Philippi 1887)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Pacífico: no se menciona
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981, 1985</td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN PLEURONECTIFORMES
FAMILIA PARALICHTHYDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Citharichthys gilberti</italic> Jenkins &amp;Evermann 1889</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Sinaloa, México
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B1">Alvarez-Leon 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Etropus microstomus </italic>(Gill, 1864)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Scyacium </italic>sp.</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Syacium ovale</italic> (Günther 1864)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de California, México
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981, 1985; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN ATHERINIFORMES
FAMILIA ATHERINOPSIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Atherinops affinis</italic> (Ayres 1860)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">California, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Atherinopsis californiensis</italic> Girard 1854</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Leuresthes sardina</italic> (Jenkins &amp; Evermann 1889)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Sonora, México
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Leuresthes tenuis</italic> (Ayres 1860)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">California, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Menidia beryllina </italic>(Cope 1867)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">ORDEN CYPRINOONTIFORMES</td>
                        <td align="left"> </td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left"> </td>
 
                     </tr>
                     <tr>
                        <td align="left">FAMILIA FUNDULIDAE</td>
                        <td align="left"> </td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left"> </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Fundulus majalis </italic>(Walbaum 1792)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Fundulus similis</italic> (Baird &amp; Girard 1853)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">FAMILIA CYPRINODONTIDAE</td>
                        <td align="left"> </td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left"> </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Cyprinodon variegatus </italic>Lacepède 1803</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN MUGILIFORMES
FAMILIA MUGILIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Mugil cephalus</italic> Linnaeus 1758</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Texas, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B21">Pearse 1952</xref>; <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte 1989</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left"> </td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de California, México
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981, 1985; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN ACANTHURIFORMES
FAMILIA EPHIPPIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Chaetodipterus faber</italic> (Broussonet 1782)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Florida, Virginia, EE. UU.
 </td>
                        <td align="left" rowspan="2">Rhichardson 1905; <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte 1989</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN TETRAODONTIFORMES
FAMILIA DIODONTIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Chilomycterus schoepfii</italic> (Walbaum 1792)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Texas, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte, 1989</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Diodon holocanthus</italic> Linnaeus 1758</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Galápagos, Ecuador
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B31">Williams y Bunkley-Williams 2003</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA TETRAODONTIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Sphoeroides annulatus</italic> (Jenyns 1842)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de California, México
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Sphoeroides maculatus</italic> (Bloch &amp; Schneider 1801)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">New York, EE. UU.
 </td>
                        <td align="left" rowspan="2">Rhichardson 1905; <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte, 1989</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA MONACANTHIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Aluterus schoepfii</italic> (Walbaum 1792)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Texas, EE. UU.
 </td>
                        <td align="left">Rhichardson 1905; <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte, 1989</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Monacanthus ciliatus</italic> (Mitchill 1818)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Florida, EE. UU.
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte 1989</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN ACROPOMATIFORMES
FAMILIA POLYPRIONIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Stereolepis gigas</italic> Ayres 1859</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Baja California Sur, México
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">ORDEN PERCIFORMES
FAMILIA MORONIDAE
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Morone saxatilis</italic> (Walbaum 1792).</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">California, introducida
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA SERRANIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Diplectrum bivvittatum</italic> (Valenciennes, 1828)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Texas, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B21">Pearse 1952</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Epinephelus itajara</italic> (Lichtenstein 1822)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Texas, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B21">Pearse, 1952</xref>; <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte 1989</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Epinephelus quinquefasciatus</italic> (Bocourt 1868)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">Rhichardson 1905; <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981</td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Mycteroperca rosacea</italic> (Streets 1877)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Baja California Sur
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Mycteroperca xenarcha</italic> Jordan 1888</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981, 1985; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Paralabrax clathratus</italic> (Girard 1854)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">San Diego, California
 </td>
                        <td align="left">Rhichardson 1905; <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Paranthias furcifer</italic> (Valenciennes 1828)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA CARANGIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Caranx</italic> sp.</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Hawaii
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Oligoplites altus</italic> (Günther 1868)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de California
 </td>
                        <td align="left">Brusca 1975, 1978, 1981, 1985; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Trachinotus carolinus </italic>(Linnaeus 1766)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA LUTJANIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">Pargo</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de Nicoya, Costa Rica
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA HAEMULIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Orthopristis reddingi</italic> Jordan &amp; Richardson 1895</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de California
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">FAMILIA SPARIDAE</td>
                        <td align="left"> </td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left"> </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Lagodon rhomboides </italic>(Linnaeus, 1766)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B23">Segal 1987</xref>; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA SCIAENIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Cynoscion othonopterus</italic> Jordan &amp; Gilbert 1882</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Leiostomus xanthurus</italic>Lacepède 1802</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Florida, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte 1989</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Menticirrhus nasus</italic> (Günther 1868)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Baja California Sur, México
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>, 1985</td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Micropogonias altipinnis</italic> (Günther 1864)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de California
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>,</td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Pogonias cromis</italic> (Linnaeus 1766)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2">Golfo de Mexico: Texas
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B16">Kensley &amp; Shotte 1989</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Sciaenops ocellatus</italic> (Linnaeus 1766)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B14">Garcés 1993</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Stellifer ericymba</italic> (Jordan &amp; Gilbert 1882)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Pacífico: Honduras
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B22">Salgado et al. 2015</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Totoaba macdonaldi</italic> (Gilbert 1890)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Golfo de California
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Umbrina roncador</italic> Jordan &amp; Gilbert 1882</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">San Diego, California
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA POMACENTRIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Stegastes beebei</italic> (Nichols 1924) </td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Galápagos
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B31">Williams &amp; Bunkley-Williams 2003</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA EMBIOTOCIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Amphistichus argenteus</italic> Agassiz 1854</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B29">Valentine &amp; Phelps, 1977</xref>; <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Cymatogaster aggregata</italic> Gibbons 1854</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">Newport Bay, California
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Embiotoca jacksoni</italic> Agassiz 1853</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">California, EE. UU.
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Micrometrus minimus</italic> (Gibbons 1854)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Phanerodonf urcatus</italic> Girard 1854</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left" colspan="2">California, EE. UU.
 </td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA LABRIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Lachnolaimus maximus</italic> (Walbaum 1792)</td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left" colspan="2"> 
 </td>
                        <td align="left" rowspan="2">Rhichardson 1905; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA SCARIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Scarus compressus</italic> (Osburn&amp; Nichols 1916)</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left">Galápagos, Ecuador</td>
                        <td align="left" rowspan="2">
                           <xref ref-type="bibr" rid="B31">Williams y Bunkley-Williams 2003</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA SCORPAENIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Scorpaena guttata</italic> Girard 1854</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left">Golfo de California, México</td>
                        <td align="left" rowspan="2">Rhichardson 1905; <xref ref-type="bibr" rid="B5">Brusca 1978</xref>, 1981; <xref ref-type="bibr" rid="B26">Trilles 1991</xref>
                        </td>
 
                     </tr>
                     <tr>
                        <td align="left" colspan="5">FAMILIA TRIGLIDAE
 
 
 
 </td>
 
                     </tr>
                     <tr>
                        <td align="left">
                           <italic>Prionotus stephanophrys </italic>Lockington 1881</td>
                        <td align="left"> </td>
                        <td align="center">X</td>
                        <td align="left"> </td>
                        <td align="left">Sonora, México</td>
                        <td align="left">
                           <xref ref-type="bibr" rid="B6">Brusca 1981</xref>
                        </td>
                     </tr>
                  </tbody>
               </table>
            </table-wrap>
         </p>
      </sec>
      <sec sec-type="discussion">
         <title>DISCUSIÓN</title>
         <bold> </bold>
         <p>En el Atlántico occidental existen reportes de isópodos que parasitan a elasmobranquios (<xref ref-type="bibr" rid="B3">Bird, 1978</xref>; <xref ref-type="bibr" rid="B24">Shipley et al. 2017</xref>). Aunque la mayoría son ectoparásitos, se ha reportado al isópodo carroñero <italic>Cirolana</italic> sp., en la cavidad corporal del tiburón cabeza de pala <italic>Sphyrna tiburo</italic>, en la costa de Miramar, La Habana, Cuba (<xref ref-type="bibr" rid="B20">Ortiz et al. 2018</xref>). También, se han detectado cimotoideos que parasitan elasmobranquios en aguas continentales; en la cuenca del Orinoco venezolano se registró a <italic>Braga cigarra</italic> y <italic>Exocorallana delaneyi</italic> en rayas del género <italic>Potamotrygon </italic>(<xref ref-type="bibr" rid="B17">Lasso et al. 2018</xref>). Mientras, en la región suroeste del golfo de México, cercana al área del presente registro, se describió <italic>Anilocra elviae</italic>, un ectoparásito del tiburón <italic>Isurus oxyrinchus</italic> (<xref ref-type="bibr" rid="B34">Winfield et al. 2002</xref>).</p>
         <p>A pesar de los registros señalados anteriormente, estos suelen ser aislados, por lo que resulta raro el parasitismo de cimotoideos con los elasmobranquios. Es posible que dicha asociación se deba a la unión temporal de crías o de ejemplares que han escapado de su hospedero cuando son apresados dentro de las capturas comerciales (<xref ref-type="bibr" rid="B6">Brusca, 1981</xref>), como pudo suceder con el registro de <italic>N. californica</italic> en ejemplares de <italic>Pseudobatos glaucostigma</italic>, obtenidos de la pesca de arrastre de camarón en el sureste del golfo de California (<xref ref-type="bibr" rid="B12">Carrillo-Colín et al. 2016</xref>). Además, algunas especies como <italic>N. acuminata </italic>tienen la capacidad de cambiar de hospedero (<xref ref-type="bibr" rid="B33">Williams et al. 1982</xref>).</p>
         <p>Las escamas placoideas presentes en la mayoría de los elasmobranquios les brindan protección en contra de agentes externos, mediante un endurecimiento de la pared corporal, lo que impide la penetración de las piezas bucales de algunas especies de Cymthoidae (<xref ref-type="bibr" rid="B6">Brusca, 1981</xref>). En cambio, son más susceptibles al parasitismo por parte de copépodos y monogéneos, los cuales se adhieren en una región corporal determinada (<xref ref-type="bibr" rid="B11">Caira et al. 2012</xref>), lo que ocasiona incluso lesiones cutáneas crónicas que afectan la salud de los tiburones (<xref ref-type="bibr" rid="B8">Bullard et al. 2000</xref>).</p>
         <p>Por otro lado, en las etapas juveniles de elasmobranquios, inclusive las cápsulas ovígeras y aquellas especies que carecen de dentículos, son susceptibles a ser parasitados por isópodos cimotoideos, los cuales suelen alimentarse de sangre y fluidos internos. En el caso de <italic>N. acuminata</italic>, se ha comprobado de manera experimental que no muestra especificidad con un hospedero y que suele atacarlos desde el fondo o a media agua (<xref ref-type="bibr" rid="B23">Segal, 1987</xref>). Al contrastar la diversidad de hospederos, existe un predominio de peces Actinopterigios, 26 especies asociadas con <italic>N. acuminata</italic> y 41 para <italic>N. californica</italic>. La mayoría de este grupo de peces pertenecen a familias de hábitos demersales, como Sciaenidae y Serranidae. De manera general, estos isópodos aparentan tener preferencia por los peces óseos (<xref ref-type="bibr" rid="B27">Trilles &amp; Öktener, 2004</xref>; <xref ref-type="bibr" rid="B32">Williams et al. 2010</xref>).</p>
      </sec>
   </body>
   <back>
      <ack>
         <title>AGRADECIMIENTOS</title>
         <bold> </bold>
         <p>Al proyecto PAPIIT-UNAM IA207820 por el financiamiento proporcionado, así como al SIN-CONACYT. Extendemos nuestro agradecimiento a la corporativa pesquera “Roca” y a todo su personal, en especial a Constantino Pio Campos “Titán” quienes facilitaron el soporte técnico durante el trabajo de campo, así como las fotografías del arte de pesca. A los revisores anónimos que ayudaron a mejorar la presente contribución.</p>
      </ack>
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