{"id":6168,"date":"2026-07-18T18:49:01","date_gmt":"2026-07-18T18:49:01","guid":{"rendered":"https:\/\/www.chilefauna.cl\/?p=6168"},"modified":"2026-07-18T18:49:02","modified_gmt":"2026-07-18T18:49:02","slug":"dasyatidae-de-chile","status":"publish","type":"post","link":"https:\/\/www.chilefauna.cl\/index.php\/dasyatidae-de-chile\/","title":{"rendered":"Dasyatidae de Chile"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Phylum\u00a0<strong><a href=\"https:\/\/www.chilefauna.cl\/index.php\/chordata-de-chile\/\">Chordata<\/a><\/strong>\u00a0| Clase\u00a0<strong><a href=\"https:\/\/www.chilefauna.cl\/index.php\/chondrichthyes-de-chile\/\">Chondrichthyes<\/a><\/strong>\u00a0| Orden <strong><a href=\"https:\/\/www.chilefauna.cl\/index.php\/myliobatiformes-de-chile\/\">Myliobatiformes<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Investigador(es) a cargo:&nbsp;<\/strong>Tom\u00e1s Rom\u00e1n de la Fuente (<strong>temporal<\/strong>)<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Citar como:\u00a0<\/strong>Rom\u00e1n-de la Fuente, T.\u00a0<em>Dasyatidae de Chile<\/em>. ChileFauna. Recuperado el [inserte fecha de consulta] de [URL]<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00bfEres especialista en este grupo y deseas ser el investigador a cargo? Escribe a tomasromandlf@gmail.com. \u00a1Gracias!<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2014<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong><strong>Dasyatidae<\/strong><\/strong>\u00a0Jordan &amp; Gilbert, 1879<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Los <strong>Dasyatidae<\/strong> son una familia de peces cartilaginosos pertenecientes al orden de los Myliobatiformes, conocidos popularmente como <strong>rayas de aguij\u00f3n<\/strong> o <strong>pastinacas<\/strong>. A nivel anat\u00f3mico, se caracterizan por poseer un cuerpo marcadamente aplanado dorsoventralmente, donde sus aletas pectorales se fusionan completamente con los lados de la cabeza formando un disco corporal que suele ser de aspecto romboidal o subcircular. Su rasgo m\u00e1s distintivo y c\u00e9lebre es su cola larga y delgada, similar a un l\u00e1tigo, la cual est\u00e1 armada en su parte superior con uno o m\u00e1s <strong>aguijones serrados y venenosos<\/strong>. Estos aguijones son una estructura puramente defensiva, recubierta de un tejido que secreta toxinas capaces de causar un dolor intenso y heridas graves a potenciales depredadores o a humanos que las pisen accidentalmente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta familia posee una distribuci\u00f3n global, habitando principalmente en fondos arenosos o fangosos de aguas costeras tropicales, subtropicales y templadas de todo el mundo, aunque algunas especies se han adaptado con \u00e9xito a estuarios y sistemas de agua dulce. Son animales bent\u00f3nicos y maestros del camuflaje; pasan gran parte del d\u00eda parcialmente enterrados en el sustrato, dejando al descubierto \u00fanicamente sus ojos y espir\u00e1culos (orificios que usan para respirar mientras est\u00e1n posadas). Son depredadores carn\u00edvoros que se alimentan de una amplia variedad de invertebrados \u2014como moluscos, crust\u00e1ceos y gusanos poliquetos\u2014 y peque\u00f1os peces \u00f3seos, los cuales localizan mediante sus ampollas de Lorenzini y trituran eficazmente gracias a sus hileras de dientes planos y pavimentosos. Su reproducci\u00f3n es viv\u00edpara aplacentaria (ovoviv\u00edpara), donde los embriones son nutridos inicialmente por la yema y luego por un l\u00edquido enriquecido o \u00ableche uterina\u00bb secretado por la madre.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u2014<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Dasyatidae\u00a0de Chile<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En aguas chilenas han sido registradas dos especies de pastinacas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>N\u00famero de taxones en Chile:<\/strong>&nbsp;2 (especies v\u00e1lidas)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Hypanus dipterurus<\/em> (Jordan &amp; Gilbert, 1880)<\/li>\n\n\n\n<li><em>Pteroplatrytrygon violacea<\/em> (Bonaparte, 1832)<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u2014<\/p>\n\n\n\n<p class=\"has-medium-font-size wp-block-paragraph\"><strong>Referencias<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>H\u00fcne, M. (2019).&nbsp;<\/strong>Lista sistem\u00e1tica actualizada de los peces de Chile. Gbif.&nbsp;<a href=\"https:\/\/gbif-chile.mma.gob.cl\/ipt\/resource?r=peces#anchor-versions\">https:\/\/gbif-chile.mma.gob.cl\/ipt\/resource?r=peces#anchor-versions<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Phylum\u00a0Chordata\u00a0| Clase\u00a0Chondrichthyes\u00a0| Orden Myliobatiformes Investigador(es) a cargo:&nbsp;Tom\u00e1s Rom\u00e1n de la Fuente (temporal) Citar como:\u00a0Rom\u00e1n-de la Fuente, T.\u00a0Dasyatidae de Chile. ChileFauna. Recuperado el [inserte fecha de consulta] de [URL] \u00bfEres especialista en este grupo y deseas ser el investigador a cargo? Escribe a tomasromandlf@gmail.com. \u00a1Gracias! \u2014 Dasyatidae\u00a0Jordan &amp; Gilbert, 1879 Los Dasyatidae son una familia de &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.chilefauna.cl\/index.php\/dasyatidae-de-chile\/\"> <span class=\"screen-reader-text\">Dasyatidae de Chile<\/span> Leer m\u00e1s \u00bb<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","footnotes":""},"categories":[1],"tags":[],"class_list":["post-6168","post","type-post","status-publish","format-standard","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Dasyatidae de Chile - ChileFauna<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.chilefauna.cl\/index.php\/dasyatidae-de-chile\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Dasyatidae de Chile - ChileFauna\" \/>\n<meta property=\"og:description\" content=\"Phylum\u00a0Chordata\u00a0| Clase\u00a0Chondrichthyes\u00a0| Orden Myliobatiformes Investigador(es) a cargo:&nbsp;Tom\u00e1s Rom\u00e1n de la Fuente (temporal) Citar como:\u00a0Rom\u00e1n-de la Fuente, T.\u00a0Dasyatidae de Chile. 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