{"id":6303,"date":"2026-08-08T19:16:50","date_gmt":"2026-08-08T19:16:50","guid":{"rendered":"https:\/\/www.chilefauna.cl\/?p=6303"},"modified":"2026-08-08T19:16:51","modified_gmt":"2026-08-08T19:16:51","slug":"acipenseridae-de-chile","status":"publish","type":"post","link":"https:\/\/www.chilefauna.cl\/index.php\/acipenseridae-de-chile\/","title":{"rendered":"Acipenseridae 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> | Clase <strong><a href=\"https:\/\/www.chilefauna.cl\/index.php\/actinopterygii-de-chile\/\">Actinopterygii<\/a> <\/strong>| Orden <strong>Acipenseriformes<\/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.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Citar como:\u00a0<\/strong>Rom\u00e1n-de la Fuente, T.\u00a0<em>Acipenseridae de Chile<\/em>. ChileFauna. Recuperado el [inserte fecha de consulta] de [URL]<\/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>Acipenseridae<\/strong><\/strong>\u00a0Bonaparte, 1831<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La familia <strong>Acipenseridae<\/strong> agrupa a los peces actinopterigios conocidos com\u00fanmente como <strong>esturiones <\/strong>(pertenecientes al orden Acipenseriformes). Son consideradas verdaderas \u00abreliquias vivientes\u00bb, con un registro f\u00f3sil que se remonta hace m\u00e1s de 200 millones de a\u00f1os, en el per\u00edodo Jur\u00e1sico. Anat\u00f3micamente se caracterizan por poseer un cuerpo alargado desprovisto de escamas comunes, pero protegido por cinco hileras longitudinales de placas \u00f3seas llamadas escudos. Presentan un esqueleto mayoritariamente cartilaginoso, una aleta caudal heterocerca (similar a la de los tiburones) y un hocico alargado en cuya parte inferior se ubican cuatro barbullas t\u00e1ctiles frente a una boca protr\u00e1ctil y desprovista de dientes en el estado adulto.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ecol\u00f3gicamente, los esturiones son peces bent\u00f3nicos de h\u00e1bitos bent\u00f3fagos que utilizan sus barbullas y electrorreceptores para rastrear moluscos, crust\u00e1ceos, gusanos y peque\u00f1os peces en el sustrato. Habitan exclusivamente en el hemisferio norte, abarcando r\u00edos, lagos y aguas costeras de Am\u00e9rica del Norte y Eurasia; muchas especies son an\u00e1dromas, migrando desde el mar hacia los cursos de agua dulce para desovar. Presentan una longevidad excepcional \u2014pudiendo vivir m\u00e1s de un siglo y alcanzar varios metros de longitud\u2014, pero su madurez sexual tard\u00eda y su bajo ritmo reproductivo los hacen extremadamente vulnerables a la alteraci\u00f3n de sus h\u00e1bitats. La construcci\u00f3n de represas que bloquean sus rutas migratorias, la contaminaci\u00f3n de los r\u00edos y, de manera cr\u00edtica, la pesca excesiva para la extracci\u00f3n de sus huevas (el apreciado caviar) han situado a la inmensa mayor\u00eda de sus especies al borde de la extinci\u00f3n.<\/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>Acipenseridae<\/strong>\u00a0de Chile<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">En aguas chilenas han sido registradas dos especies de esturiones.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>N\u00famero de taxones en Chile:\u00a0<\/strong>2 (especies v\u00e1lidas)<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><em>Acipenser baerii <\/em>Brandt, 1869<\/li>\n\n\n\n<li><em>Acipenser transmontanus<\/em> Richardson, 1836<\/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).\u00a0<\/strong>Lista sistem\u00e1tica actualizada de los peces de Chile. Gbif.\u00a0<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\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Phylum\u00a0Chordata | Clase Actinopterygii | Orden Acipenseriformes Investigador(es) a cargo:&nbsp;Tom\u00e1s Rom\u00e1n de la Fuente. Citar como:\u00a0Rom\u00e1n-de la Fuente, T.\u00a0Acipenseridae de Chile. ChileFauna. Recuperado el [inserte fecha de consulta] de [URL] \u2014 Acipenseridae\u00a0Bonaparte, 1831 La familia Acipenseridae agrupa a los peces actinopterigios conocidos com\u00fanmente como esturiones (pertenecientes al orden Acipenseriformes). Son consideradas verdaderas \u00abreliquias vivientes\u00bb, con &hellip;<\/p>\n<p class=\"read-more\"> <a class=\"\" href=\"https:\/\/www.chilefauna.cl\/index.php\/acipenseridae-de-chile\/\"> <span class=\"screen-reader-text\">Acipenseridae 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,"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":[8],"tags":[],"class_list":["post-6303","post","type-post","status-publish","format-standard","hentry","category-especies"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Acipenseridae 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\/acipenseridae-de-chile\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Acipenseridae de Chile - ChileFauna\" \/>\n<meta property=\"og:description\" content=\"Phylum\u00a0Chordata | Clase Actinopterygii | Orden Acipenseriformes Investigador(es) a cargo:&nbsp;Tom\u00e1s Rom\u00e1n de la Fuente. 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