{"id":3415557,"date":"2008-07-28T22:09:30","date_gmt":"2008-07-28T23:09:30","guid":{"rendered":"https:\/\/www.ozono21.com\/blog\/3415557\/sin-categoria\/el-pez-que-vocaliza\/"},"modified":"2026-02-13T21:23:47","modified_gmt":"2026-02-13T19:23:47","slug":"el-pez-sapo-que-vocaliza","status":"publish","type":"post","link":"https:\/\/www.ozono21.com\/blog\/medioambiente\/el-pez-sapo-que-vocaliza\/","title":{"rendered":"El pez sapo que vocaliza"},"content":{"rendered":"<p style=\"text-align: justify;\">\n<h2 style=\"text-align: justify;\"><strong><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-5193872\" style=\"border-width: 0px;\" title=\"El pez sapo que vocaliza\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/uploads\/2008\/07\/El-pez-que-vocaliza-300x275.jpg\" alt=\" pez sapo \" width=\"220\" height=\"213\" \/><a title=\"Ozono en la Pesca\" href=\"https:\/\/www.ozono21.com\/sectores\/industriales\/pesca\/29\/\" target=\"_blank\" rel=\"noopener noreferrer\">El pez sapo comparte con otros animales la habilidad de vocalizar<\/p>\n<p>El hallazgo podr\u00eda dar pistas del origen y desarrollo de esta capacidad<\/p>\n<p>Frunce el ce\u00f1o constantemente, se comunica con gru\u00f1idos y rugidos e invierte grandes esfuerzos para atraer a sus parejas y defender su territorio. As\u00ed es el pez sapo.<\/a><\/strong><\/h2>\n<\/p>\n<p>ESTUDIO PUBLICADO EN \u2018SCIENCE\u2019 (17\/07\/2008)<\/p>\n<p style=\"text-align: justify;\">Estas ruidosas criaturas y sus parientes cercanos, los peces del g\u00e9nero \u2018porychthis\u2019, <strong>comparten la habilidad de vocalizar con muchos otros animales<\/strong>, desde las aves y las ranas hasta los humanos, y podr\u00edan dar pistas del origen y desarrollo de esta capacidad.<\/p>\n<p style=\"text-align: justify;\">Un nuevo estudio estos peces, realizado por cient\u00edficos estadounidenses y publicado en la revista <a href=\"http:\/\/www.sciencemag.org\/\" target=\"_blank\">\u2018Science\u2019<\/a>, sugiere que la maquinaria cerebral que hace funcionar la vocalizaci\u00f3n es extremadamente primitiva, <strong>habiendo evolucionado desde hace m\u00e1s de 400 millones de a\u00f1os<\/strong> con los cambios del pez \u00f3seo (\u2018oste\u00edctios\u2019).<\/p>\n<p style=\"text-align: justify;\">El pez sapo (\u2018Halobatracius didactilus\u2019) utilizan su vejiga natatoria, una bolsa de paredes flexibles que funciona como \u00f3rgano de flotaci\u00f3n, y los m\u00fasculos conectados a ella, los cuales se encuentran entre los m\u00e1s r\u00e1pidos conocidos entre los vertebrados, para producir una variedad de sonidos <strong>con el fin de atraer a sus parejas y defender sus territorios<\/strong>.<\/p>\n<p style=\"text-align: justify;\">Estos animales poseen un circuito cerebral de neuronas que trabajan r\u00edtmicamente, las cuales determinan la tasa de contracci\u00f3n de los m\u00fasculos vocales, y, al mismo tiempo, el tono y la duraci\u00f3n de sus llamados.<\/p>\n<p style=\"text-align: justify;\">Los investigadores analizaron la red neuronal en las larvas de los peces y descubrieron que \u00e9sta se desarrolla a lo largo de una regi\u00f3n espec\u00edfica que incluye la base de la parte posterior del cerebro y la columna vertebral superior.<\/p>\n<p style=\"text-align: justify;\">Este patr\u00f3n de desarrollo neuronal <strong>es similar al de otros vertebrados capaces de vocalizar<\/strong>, lo que sugiere que el sistema de circuitos del cerebro que hace funcionar la vocalizaci\u00f3n puede tener sus or\u00edgenes en la temprana evoluci\u00f3n de los vertebrados.<\/p>\n<p style=\"text-align: justify;\">Otros aspectos de los sistemas vocales, concretamente sus m\u00fasculos y los \u00f3rganos vocales, como la vejiga natatoria de los peces, la siringe de las aves o la laringe de los mam\u00edferos, parecen haber evolucionado independientemente en diferentes linajes.<\/p>\n<p style=\"text-align: justify;\">La vejiga natatoria es un saco membranoso que poseen la mayor\u00eda de los peces al lado del tubo digestivo, y que <strong>les permite nadar, flotar y mantener la estabilidad en el agua<\/strong> por medio de su hinchamiento con gas. Est\u00e1 situada dorsalmente por debajo de su columna vertebral y por encima de su tubo digestivo y tambi\u00e9n puede tener otras funciones, como la audici\u00f3n, en ciertas especies de agua dulce.<\/p>\n<p style=\"text-align: justify;\">En el estudio participaron investigadores de la Universidad de Cornell en Nueva York, la Universidad de Chicago, el Centro de Estudios M\u00e9dicos de la Universidad de Nueva York, el Colegio de Medicina de la Universidad de Howard en Washington y el Laboratorio de Biolog\u00eda Marina de Woods.<\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_3415557\" class=\"pvc_stats total_only  \" data-element-id=\"3415557\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 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con otros animales la habilidad de vocalizar El hallazgo podr\u00eda dar pistas del origen y desarrollo de esta capacidad Frunce el ce\u00f1o constantemente, se comunica con gru\u00f1idos y rugidos e invierte grandes esfuerzos para atraer a &hellip; <a href=\"https:\/\/www.ozono21.com\/blog\/medioambiente\/el-pez-sapo-que-vocaliza\/\">Sigue leyendo <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n<div class=\"pvc_clear\"><\/div>\n<p id=\"pvc_stats_3415557\" class=\"pvc_stats total_only  \" data-element-id=\"3415557\" style=\"\"><i class=\"pvc-stats-icon small\" aria-hidden=\"true\"><svg aria-hidden=\"true\" focusable=\"false\" data-prefix=\"far\" data-icon=\"chart-bar\" role=\"img\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" viewBox=\"0 0 512 512\" class=\"svg-inline--fa fa-chart-bar fa-w-16 fa-2x\"><path fill=\"currentColor\" d=\"M396.8 352h22.4c6.4 0 12.8-6.4 12.8-12.8V108.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v230.4c0 6.4 6.4 12.8 12.8 12.8zm-192 0h22.4c6.4 0 12.8-6.4 12.8-12.8V140.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v198.4c0 6.4 6.4 12.8 12.8 12.8zm96 0h22.4c6.4 0 12.8-6.4 12.8-12.8V204.8c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v134.4c0 6.4 6.4 12.8 12.8 12.8zM496 400H48V80c0-8.84-7.16-16-16-16H16C7.16 64 0 71.16 0 80v336c0 17.67 14.33 32 32 32h464c8.84 0 16-7.16 16-16v-16c0-8.84-7.16-16-16-16zm-387.2-48h22.4c6.4 0 12.8-6.4 12.8-12.8v-70.4c0-6.4-6.4-12.8-12.8-12.8h-22.4c-6.4 0-12.8 6.4-12.8 12.8v70.4c0 6.4 6.4 12.8 12.8 12.8z\" class=\"\"><\/path><\/svg><\/i> <img loading=\"lazy\" decoding=\"async\" width=\"16\" height=\"16\" alt=\"Loading\" src=\"https:\/\/www.ozono21.com\/blog\/wp-content\/plugins\/page-views-count\/ajax-loader-2x.gif\" border=0 \/><\/p>\n<div 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