{"id":29739,"date":"2025-11-07T12:00:00","date_gmt":"2025-11-07T12:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/comores\/politique\/crapauds-exceptionnels-ne-deviendront-jamais-tetards"},"modified":"2025-11-07T23:26:03","modified_gmt":"2025-11-07T23:26:03","slug":"crapauds-exceptionnels-ne-deviendront-jamais-tetards","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards","title":{"rendered":"Crapauds Exceptionnels ne Deviendront Jamais T\u00eatards"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Comores. <\/strong><\/span>Trois espe\u0300ces de crapauds, nouvellement de\u0301crites, rejoignent un club tre\u0300s ferme\u0301: celui des anoures ne donnant pas naissance a\u0300 un te\u0302tard. Ils sautent tout simplement cette e\u0301tape au cours de leur cycle de vie. Au lieu de pondre des \u0153ufs qui e\u0301closent et donne des te\u0302tards, les femelles gardent leurs petits en elles et donnent pluto\u0302t naissance a\u0300 des petits crapauds, de\u0301ja\u0300 entie\u0300rement forme\u0301s.<\/p>\n<p>\u00ab La viviparite\u0301 est exceptionnellement rare chez les grenouilles et les crapauds, pratique\u0301e par moins de 1 % des espe\u0300ces, ce qui rend ces nouvelles espe\u0300ces exceptionnellement inte\u0301ressantes \u00bb, remarque dans un communique\u0301 le chercheur Hans Christoph Liedtke, qui travaille a\u0300 la Station biologique de Don\u0303ana, a\u0300 Se\u0301ville (Espagne).<\/p>\n<p>Dans le monde, seulement 17 espe\u0300ces d\u2019anoures e\u0301taient connues a\u0300 travers le monde pour e\u0302tre vivipares. Treize d\u2019entre elles, ende\u0301miques des fore\u0302ts humides et des prairies de Tanzanie, appartiennent au genre Nectophrynoides.<\/p>\n<p><b>Une histoire qui remonte au de\u0301but du 20e sie\u0300cle<\/b><\/p>\n<p>Les trois espe\u0300ces en question font justement partie de ce genre. L\u2019histoire de leur e\u0301tude remonte a\u0300 l\u2019anne\u0301e 1905, lorsque Gustav Tornier, un chercheur allemand, a pre\u0301sente\u0301, a\u0300 l\u2019Acade\u0301mie royale prussienne des sciences de Berlin, un crapaud donnant directement naissance a\u0300 de petits crapauds: Pseudophryne vivipara, plus tard rebaptise\u0301 Nectophrynoides viviparus. Les 33 spe\u0301cimens originaux ayant servi a\u0300 la description e\u0301taient garde\u0301s depuis au muse\u0301e d\u2019histoire naturelle de Berlin.<\/p>\n<p>Ils sont le point de de\u0301part d\u2019une nouvelle e\u0301tude publie\u0301e le 6 novembre 2025 dans la revue Vertebrate Zoology et qui s\u2019est finalement e\u0301tendue a\u0300 l\u2019analyse de 257 spe\u0301cimens de\u0301tenus dans cinq muse\u0301ums europe\u0301ens et tous attribue\u0301s a\u0300 Nectophrynoides viviparus. Les re\u0301sultats publie\u0301s re\u0301ve\u0300lent finalement qu\u2019il existe quatre espe\u0300ces distinctes et non pas une seule historique: Nectophrynoides viviparus, N. saliensis, N. luhomeroensis et N. uhehe.<\/p>\n<p><b>Des espe\u0300ces menace\u0301es<\/b><\/p>\n<p>Ces espe\u0300ces sont pre\u0301sentes dans une zone dont les fore\u0302ts sont fragmente\u0301es, conduisant plusieurs de ces crapauds si particuliers au bord de l\u2019extinction. Une espe\u0300ce du me\u0302me genre, N. asperginis, a me\u0302me disparu a\u0300 l\u2019e\u0301tat sauvage re\u0301cemment. Une preuve, s\u2019il en fallait une, que cette biodiversite\u0301 est largement menace\u0301e.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <span style=\"color: #ff6600\">Comores<\/span>, suivez <span style=\"color: #ff6600\">Africa-Press<\/span><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Comores. Trois espe\u0300ces de crapauds, nouvellement de\u0301crites, rejoignent un club tre\u0300s ferme\u0301: celui des anoures ne donnant pas naissance a\u0300 un te\u0302tard. Ils sautent tout simplement cette e\u0301tape au cours de leur cycle de vie. Au lieu de pondre des \u0153ufs qui e\u0301closent et donne des te\u0302tards, les femelles gardent leurs petits en [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":29738,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[45],"class_list":["post-29739","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-comores"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Crapauds Exceptionnels ne Deviendront Jamais T\u00eatards - Comores<\/title>\n<meta name=\"description\" content=\"Trois espe\u0300ces de crapauds, nouvellement de\u0301crites, rejoignent un club tre\u0300s ferme\u0301: celui des anoures ne donnant pas na ...\" \/>\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.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Crapauds Exceptionnels ne Deviendront Jamais T\u00eatards\" \/>\n<meta property=\"og:description\" content=\"Trois espe\u0300ces de crapauds, nouvellement de\u0301crites, rejoignent un club tre\u0300s ferme\u0301: celui des anoures ne donnant pas na ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards\" \/>\n<meta property=\"og:site_name\" content=\"Comores\" \/>\n<meta property=\"article:published_time\" content=\"2025-11-07T12:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-11-07T23:26:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/centrafricaine\/sites\/48\/2025\/11\/sm_1762586226.129708.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1280\" \/>\n\t<meta property=\"og:image:height\" content=\"720\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/comores\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Crapauds Exceptionnels ne Deviendront Jamais T\u00eatards\",\"datePublished\":\"2025-11-07T12:00:00+00:00\",\"dateModified\":\"2025-11-07T23:26:03+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards\"},\"wordCount\":424,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/centrafricaine\/sites\/48\/2025\/11\/sm_1762586226.129708.jpg\",\"keywords\":[\"Comores\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards\",\"url\":\"https:\/\/www.africa-press.net\/comores\/toutes-les-actualites\/crapauds-exceptionnels-ne-deviendront-jamais-tetards\",\"name\":\"Crapauds Exceptionnels ne Deviendront Jamais T\u00eatards - 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