{"id":5812,"date":"2021-06-19T11:00:00","date_gmt":"2021-06-19T17:00:00","guid":{"rendered":"https:\/\/26television.com\/?p=5812"},"modified":"2021-06-19T06:26:13","modified_gmt":"2021-06-19T12:26:13","slug":"el-pez-que-es-considerado-un-fosil-viviente-y-puede-vivir-hasta-100-anos","status":"publish","type":"post","link":"https:\/\/26television.com\/?p=5812","title":{"rendered":"El pez que es considerado un “f??sil viviente” y puede vivir hasta 100 a??os"},"content":{"rendered":"\n

Es considerado un “f??sil viviente”, capaz de vivir muchos a??os m??s de lo que se cre??a.<\/strong><\/p>\n\n\n\n

Seg??n un nuevo estudio, el celacanto <\/strong>no solo vive alrededor de 20 a??os, como se pensaba hasta ahora, sino muchas d??cadas m??s<\/strong>, incluso <\/strong>hasta <\/strong>un siglo.<\/strong><\/p>\n\n\n\n

Cient??ficos franceses estudiaron las marcas en las escamas de los celacantos que est??n en los museos, con una t??cnica similar a la del estudio de los anillos de los ??rboles que indican su edad.<\/p>\n\n\n\n

Determinaron que el pez se reproduce a una edad avanzada y las hembras pueden estar pre??adas hasta cinco a??os.<\/p>\n\n\n\n

Es una especie de??crecimientolento<\/strong>, que tiene pocas cr??as y que es particularmente??vulnerable??<\/strong>a los factores de extinci??n, como el cambio clim??tico y la sobrepesca.<\/p>\n\n\n\n

Por esto ??ltimo, conocer m??s sobre el celacanto podr??a ayudar a aplicar medidas de protecci??n y conservaci??n m??s fuertes, afirma el doctor Bruno Ernande, de la Universidad de Montpellier, en Francia.<\/p>\n\n\n\n

“Un marco muy importante para las medidas de conservaci??n es poder evaluar la demograf??a de la especie”, le dice a la BBC.<\/p>\n\n\n\n

“Con esta nueva informaci??n estaremos en mejores condiciones de evaluarla”, dice el experto, cuyo estudio se public?? en la revista Current Biology<\/em>.<\/p>\n\n\n\n

Un “f??sil viviente”<\/h2>\n\n\n\n

Durante mucho tiempo se pens?? que el celacanto se hab??a extinguido, hasta que apareci?? en la red de un pescador en Sud??frica en 1938.<\/p>\n\n\n\n

Posteriormente se descubrieron dos poblaciones que viv??an frente a la costa oriental de ??frica y otra frente a la costa de Sulawesi, en Indonesia.<\/p>\n\n\n\n

\"Un
Pie de foto,Los celacantos se encuentran alrededor de la costa de Indonesia y en el oc??ano ??ndico.<\/figcaption><\/figure>\n\n\n\n

La poblaci??n africana est?? considerada en peligro cr??tico de extinci??n y posiblemente solo quedan unos pocos cientos de ejemplares.<\/p>\n\n\n\n

“El celacanto parece tener una de las historias de vida m??s lentas, si no la mayor, entre los peces marinos, cercana a la de los tiburones de aguas profundas y al pez reloj anaranjado”, dijo K??lig Mah??, de la Unidad de Investigaci??n Pesquera del Mar del Norte en Boulogne-sur-mer, Francia.<\/p>\n\n\n\n

“Nuestros resultados sugieren que pueden estar incluso m??s amenazados de lo esperado debido a su peculiar historia de vida<\/strong>. En consecuencia, estos nuevos datos sobre la biolog??a y la historia de vida de los celacantos son esenciales para la conservaci??n y el manejo de esta especie”.<\/p>\n\n\n\n

Los antepasados del celacanto evolucionaron hace 420 millones de a??os<\/strong>, sobreviviendo al movimiento de los continentes y al impacto del asteroide que posiblemente acab?? con los dinosaurios.<\/p>\n\n\n\n

Al vivir en cuevas en el fondo del oc??ano, los celacantos pueden crecer hasta 1,8 metros, con un peso de m??s de 90 kg.<\/p>\n\n\n\n

En estudios futuros, los cient??ficos planean realizar m??s an??lisis para averiguar si la lenta tasa de crecimiento del celacanto est?? relacionada con las temperaturas del mar.<\/p>\n\n\n\n

La respuesta ofrecer?? una idea de los efectos del cambio clim??tico en esta especie vulnerable.<\/p>\n\n\n\n

BBC news<\/p>\n\n\n\n

<\/p>\n","protected":false},"excerpt":{"rendered":"

Es considerado un “f??sil viviente”, capaz de vivir muchos a??os m??s de lo que se cre??a. Seg??n un nuevo estudio, el celacanto no solo vive alrededor de 20 a??os, como se pensaba hasta ahora, sino muchas d??cadas m??s, incluso hasta un siglo. Cient??ficos franceses estudiaron las marcas en las escamas de los celacantos que est??n en los museos, con una […]<\/p>\n","protected":false},"author":1,"featured_media":5813,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41],"tags":[],"class_list":["post-5812","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencia"],"yoast_head":"\r\nEl pez que es considerado un "f??sil viviente" y puede vivir hasta 100 a??os - 26 Televisi\u00f3n<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/26television.com\/?p=5812\" \/>\r\n<meta property=\"og:locale\" content=\"es_ES\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"El pez que es considerado un "f??sil viviente" y puede vivir hasta 100 a??os - 26 Televisi\u00f3n\" \/>\r\n<meta property=\"og:description\" content=\"Es considerado un “f??sil viviente”, capaz de vivir muchos a??os m??s de lo que se cre??a. Seg??n un nuevo estudio, el celacanto no solo vive alrededor de 20 a??os, como se pensaba hasta ahora, sino muchas d??cadas m??s, incluso hasta un siglo. 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