{"id":1797,"date":"2015-01-10T23:24:53","date_gmt":"2015-01-10T22:24:53","guid":{"rendered":"http:\/\/www.avanzimorivet.it\/?page_id=1797"},"modified":"2024-12-28T18:03:01","modified_gmt":"2024-12-28T17:03:01","slug":"xenopus-laevis","status":"publish","type":"page","link":"https:\/\/avanzimorivet.it\/index.php\/home\/anfibi\/xenopus-laevis\/","title":{"rendered":"Xenopus laevis"},"content":{"rendered":"<div class=\"fusion-fullwidth fullwidth-box fusion-builder-row-1 fusion-flex-container nonhundred-percent-fullwidth non-hundred-percent-height-scrolling\" style=\"--awb-border-radius-top-left:0px;--awb-border-radius-top-right:0px;--awb-border-radius-bottom-right:0px;--awb-border-radius-bottom-left:0px;--awb-flex-wrap:wrap;\" ><div class=\"fusion-builder-row fusion-row fusion-flex-align-items-flex-start fusion-flex-content-wrap\" style=\"max-width:93.6%;margin-left: calc(-4% \/ 2 );margin-right: calc(-4% \/ 2 );\"><div class=\"fusion-layout-column fusion_builder_column fusion-builder-column-0 fusion_builder_column_1_1 1_1 fusion-flex-column\" style=\"--awb-bg-size:cover;--awb-width-large:100%;--awb-margin-top-large:0px;--awb-spacing-right-large:1.92%;--awb-margin-bottom-large:0px;--awb-spacing-left-large:1.92%;--awb-width-medium:100%;--awb-spacing-right-medium:1.92%;--awb-spacing-left-medium:1.92%;--awb-width-small:100%;--awb-spacing-right-small:1.92%;--awb-spacing-left-small:1.92%;\"><div class=\"fusion-column-wrapper fusion-flex-justify-content-flex-start fusion-content-layout-column\"><div class=\"fusion-text fusion-text-1\"><p><strong><img decoding=\"async\" class=\"lazyload alignright size-full wp-image-1800\" src=\"https:\/\/www.avanzimorivet.it\/wp-content\/uploads\/2015\/01\/xenopus_laevis1.jpg\" data-orig-src=\"https:\/\/www.avanzimorivet.it\/wp-content\/uploads\/2015\/01\/xenopus_laevis1.jpg\" alt=\"xenopus_laevis1\" width=\"400\" height=\"400\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%27400%27%20height%3D%27400%27%20viewBox%3D%270%200%20400%20400%27%3E%3Crect%20width%3D%27400%27%20height%3D%27400%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/avanzimorivet.it\/wp-content\/uploads\/2015\/01\/xenopus_laevis1-130x130.jpg 130w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2015\/01\/xenopus_laevis1-150x150.jpg 150w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2015\/01\/xenopus_laevis1-300x300.jpg 300w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2015\/01\/xenopus_laevis1.jpg 400w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 400px) 100vw, 400px\" \/>Ordine<\/strong> Anura<br \/>\n<strong>Famiglia<\/strong> Pipidae<\/p>\n<p style=\"text-align: justify;\">Origine e habitat naturale: ambienti acquatici dell\u2019Africa sub-sahariana.<\/p>\n<p style=\"text-align: justify;\">Questo anfibio \u00e8 completamente acquatico e, come le altre specie della famiglia Pipidae, \u00e8 privo di lingua: si aiuta con le zampe anteriori ad ingerire la preda. Il corpo \u00e8 appiattito, il muso appuntito e gli occhi in posizione dorsale, come adattamento alla vita acquatica. Gli arti anteriori, relativamente corti e dalle lunghe dita affusolate, non palmate, vengono utilizzati per cercare il cibo e portarlo verso la bocca. Gli arti posteriori sono molto muscolosi e presentano tre unghie in ciascuna zampa con cui la rana si aiuta a fare a pezzi il cibo. Il colore originario \u00e8 grigio-verde con il ventre chiaro, ma sono comuni anche i soggetti albini. Le femmine sono lunghe circa 12 cm; i maschi 5-6 cm. \u00c8 un anfibio piuttosto robusto e longevo: sono noti soggetti che hanno raggiunto i 20-30 anni.<\/p>\n<p style=\"text-align: justify;\">Necessita di un acquario dall\u2019acqua non particolarmente profonda (circa 13 cm), perch\u00e9 per respirare si alza verso il pelo dell\u2019acqua. Non \u00e8 necessaria una zona asciutta, ma devono essere presenti nascondigli sommersi, ricavati da piante, rocce o legni. L\u2019acquario deve avere un coperchio, per evitare che gli occupanti lascino la vasca e muoiano di disidratazione.\u00a0 Sul fondo si pu\u00f2 utilizzare della ghiaia di dimensioni tali da non poter essere ingerita. Eventuali piante vanno protette alla base per evitare che vengano sradicate alla ricerca di cibo.<\/p>\n<p style=\"text-align: justify;\">La temperatura ideale dell\u2019acqua \u00e8 di 21-22\u00b0C, (anche se tollera un range di 16-27\u00b0C) per cui non \u00e8 necessario usare riscaldatori. Non sono neppure necessarie lampade particolari per l\u2019illuminazione. \u00c8 adeguato un fotoperiodo di 12 ore di luce.<\/p>\n<p style=\"text-align: justify;\">Come per tutti gli anfibi, la qualit\u00e0 e l\u2019igiene dell\u2019acqua sono essenziali. <em>Xenopus laevis<\/em> non ama l\u2019acqua mossa, pertanto il sistema di filtrazione non deve creare flussi d\u2019acqua. Si devono effettuare cambi d\u2019acqua tutte le settimane, sifonando la ghiaia per eliminare i residui di cibo.<\/p>\n<p style=\"text-align: justify;\">\u00c8 carnivoro e si nutre di un\u2019ampia variet\u00e0 di prede, principalmente invertebrati, piccoli pesci e larve di anfibi, ma anche animali morti finiti in acqua; in cattivit\u00e0 accetta lombrichi, Tubifex, larve di zanzara, altri tipi di invertebrati, pesciolini e anche mangimi. Si nutre facilmente di altri anfibi pi\u00f9 piccoli presenti nella vasca, e anche dei propri girini se non sono separati dagli adulti.<\/p>\n<p style=\"text-align: justify;\">La maturit\u00e0 sessuale \u00e8 raggiunta in 1-2 anni e i girini compiono la metamorfosi in 6-8 settimane.<\/p>\n<p><em>X.\u00a0laevis<\/em> non \u00e8 elencato in CITES ed \u00e8 quindi di libera vendita.<\/p>\n<p><img decoding=\"async\" class=\"lazyload aligncenter size-full wp-image-12148\" src=\"https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia.jpg\" data-orig-src=\"https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia.jpg\" alt=\"Xenopus laevis\" width=\"1500\" height=\"363\" srcset=\"data:image\/svg+xml,%3Csvg%20xmlns%3D%27http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%27%20width%3D%271500%27%20height%3D%27363%27%20viewBox%3D%270%200%201500%20363%27%3E%3Crect%20width%3D%271500%27%20height%3D%27363%27%20fill-opacity%3D%220%22%2F%3E%3C%2Fsvg%3E\" data-srcset=\"https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-150x36.jpg 150w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-200x48.jpg 200w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-300x73.jpg 300w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-400x97.jpg 400w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-600x145.jpg 600w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-768x186.jpg 768w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-800x194.jpg 800w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-1024x248.jpg 1024w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia-1200x290.jpg 1200w, https:\/\/avanzimorivet.it\/wp-content\/uploads\/2024\/12\/Xenopus-laevis-Copia.jpg 1500w\" data-sizes=\"auto\" data-orig-sizes=\"(max-width: 1500px) 100vw, 1500px\" \/><\/p>\n<\/div><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":4,"featured_media":0,"parent":1734,"menu_order":0,"comment_status":"closed","ping_status":"open","template":"","meta":{"footnotes":""},"class_list":["post-1797","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Xenopus laevis -<\/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:\/\/avanzimorivet.it\/index.php\/home\/anfibi\/xenopus-laevis\/\" \/>\n<meta property=\"og:locale\" content=\"it_IT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Xenopus laevis -\" \/>\n<meta property=\"og:url\" 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