{"id":394937,"date":"2026-03-20T12:09:32","date_gmt":"2026-03-20T11:09:32","guid":{"rendered":"https:\/\/www.webdo.tn\/fr\/?p=394937"},"modified":"2026-03-20T12:09:34","modified_gmt":"2026-03-20T11:09:34","slug":"mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes","status":"publish","type":"post","link":"https:\/\/www.webdo.tn\/fr\/actualite\/national\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\/394937\/","title":{"rendered":"M\u00e9diterran\u00e9e : Une esp\u00e8ce tropicale s\u2019installe sur les c\u00f4tes tunisiennes"},"content":{"rendered":"\n<p><strong>Une nouvelle esp\u00e8ce de poisson vient enrichir la biodiversit\u00e9 marine tunisienne. La capture r\u00e9cente d\u2019un sp\u00e9cimen au large de la ville de Sayada marque un nouvel \u00e9pisode dans l\u2019\u00e9volution des \u00e9cosyst\u00e8mes marins du pays.<\/strong><\/p>\n\n\n\n<p>Un p\u00eacheur a en effet r\u00e9ussi \u00e0 capturer un poisson connu sous le nom de \u00ab poisson chirurgien africain \u00bb, portant le nom scientifique Acanthurus monroviae. Cette esp\u00e8ce appartient \u00e0 la famille des \u00ab poissons-chirurgiens \u00bb, reconnaissables notamment par une excroissance coupante pr\u00e8s de la queue.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-une-tache-orange\">Une tache orange<\/h2>\n\n\n\n<p>Le sp\u00e9cimen se distingue par une tache orange situ\u00e9e \u00e0 la base de la queue, un marqueur morphologique caract\u00e9ristique qui facilite son identification. Esp\u00e8ce tropicale, le poisson chirurgien africain \u00e9volue habituellement dans l\u2019est de l\u2019oc\u00e9an Atlantique, depuis les c\u00f4tes du Maroc jusqu\u2019\u00e0 l\u2019Afrique de l\u2019Ouest.<\/p>\n\n\n\n<p>Son apparition en M\u00e9diterran\u00e9e remonte \u00e0 1987, mais sa pr\u00e9sence reste relativement rare. En Tunisie, elle avait \u00e9t\u00e9 signal\u00e9e pour la premi\u00e8re fois en 2011. Cette nouvelle capture confirme donc une installation progressive, probablement favoris\u00e9e par le r\u00e9chauffement des eaux et les mutations environnementales en cours.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-se-nourrit-principalement-d-algues\">Se nourrit principalement d\u2019algues<\/h2>\n\n\n\n<p>Le poisson chirurgien africain fr\u00e9quente g\u00e9n\u00e9ralement les eaux ouvertes \u00e0 proximit\u00e9 des baies et se nourrit principalement d\u2019algues. Dans certaines r\u00e9gions, il rev\u00eat \u00e9galement une importance commerciale non n\u00e9gligeable.<\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Lire aussi :<\/strong>\u00a0<a href=\"https:\/\/www.webdo.tn\/fr\/actualite\/chroniques\/dans-lancienne-savane-du-sud-ouest-tunisien-acacias-gazelles-aigles-et-tortues\/188034\/\">Dans l\u2019ancienne savane du sud-ouest tunisien : Acacias, gazelles, aigles et tortues<\/a><\/p>\n\n\n\n<p>Cette observation illustre, une fois de plus, la transformation des \u00e9quilibres marins en M\u00e9diterran\u00e9e, o\u00f9 de nouvelles esp\u00e8ces, souvent d\u2019origine tropicale, viennent s\u2019ajouter \u00e0 la faune locale. Un ph\u00e9nom\u00e8ne qui interpelle scientifiques et professionnels de la mer sur les enjeux climatiques et \u00e9cologiques \u00e0 venir.<\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une nouvelle esp\u00e8ce de poisson vient enrichir la biodiversit\u00e9 marine tunisienne. La capture r\u00e9cente d\u2019un sp\u00e9cimen au large de la ville de Sayada marque un nouvel \u00e9pisode dans l\u2019\u00e9volution des \u00e9cosyst\u00e8mes marins du pays. Un p\u00eacheur a en effet r\u00e9ussi \u00e0 capturer un poisson connu sous le nom de \u00ab poisson chirurgien africain \u00bb, portant [&hellip;]<\/p>\n","protected":false},"author":3184,"featured_media":394938,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[8616,2608],"class_list":["post-394937","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-national","tag-poisson","tag-tunisie"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.5) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>M\u00e9diterran\u00e9e : Une esp\u00e8ce tropicale s\u2019installe sur les c\u00f4tes tunisiennes - webdo<\/title>\n<meta name=\"description\" content=\"D\u00e9couvrez l&#039;esp\u00e8ce tropicale Acanthurus monroviae, r\u00e9cemment captur\u00e9e au large de Sayada, enrichissant la biodiversit\u00e9 marine.\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.webdo.tn\/fr\/actualite\/national\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\/394937\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"M\u00e9diterran\u00e9e : Une esp\u00e8ce tropicale s\u2019installe sur les c\u00f4tes tunisiennes\" \/>\n<meta property=\"og:description\" content=\"D\u00e9couvrez l&#039;esp\u00e8ce tropicale Acanthurus monroviae, r\u00e9cemment captur\u00e9e au large de Sayada, enrichissant la biodiversit\u00e9 marine.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.webdo.tn\/fr\/actualite\/national\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\/394937\/\" \/>\n<meta property=\"og:site_name\" content=\"webdo\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/webdotn\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-20T11:09:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-03-20T11:09:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.webdo.tn\/fr\/wp-content\/uploads\/2026\/03\/poisson.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"601\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Wided Belhaj\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@webdo_tn\" \/>\n<meta name=\"twitter:site\" content=\"@webdo_tn\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Wided Belhaj\" \/>\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\":\"NewsArticle\",\"@id\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/actualite\\\/national\\\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\\\/394937\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/actualite\\\/national\\\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\\\/394937\\\/\"},\"author\":{\"name\":\"Wided Belhaj\",\"@id\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/#\\\/schema\\\/person\\\/b9ecde7a5574cb4fcf4b496ea5fadb15\"},\"headline\":\"M\u00e9diterran\u00e9e : Une esp\u00e8ce tropicale s\u2019installe sur les c\u00f4tes tunisiennes\",\"datePublished\":\"2026-03-20T11:09:32+00:00\",\"dateModified\":\"2026-03-20T11:09:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/actualite\\\/national\\\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\\\/394937\\\/\"},\"wordCount\":309,\"publisher\":{\"@id\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/actualite\\\/national\\\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\\\/394937\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/wp-content\\\/uploads\\\/2026\\\/03\\\/poisson.jpg\",\"keywords\":[\"Poisson\",\"Tunisie\"],\"articleSection\":[\"National\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/actualite\\\/national\\\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\\\/394937\\\/\",\"url\":\"https:\\\/\\\/www.webdo.tn\\\/fr\\\/actualite\\\/national\\\/mediterranee-une-espece-tropicale-sinstalle-sur-les-cotes-tunisiennes\\\/394937\\\/\",\"name\":\"M\u00e9diterran\u00e9e : Une esp\u00e8ce tropicale s\u2019installe sur les c\u00f4tes tunisiennes - 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