{"id":4495,"date":"2025-08-10T12:10:23","date_gmt":"2025-08-10T01:10:23","guid":{"rendered":"https:\/\/www.babou-plongee.com\/blog\/?p=4495"},"modified":"2025-08-10T13:10:07","modified_gmt":"2025-08-10T02:10:07","slug":"crinoide-ou-comatule","status":"publish","type":"post","link":"https:\/\/www.babou-plongee.com\/blog\/crinoide-ou-comatule\/","title":{"rendered":"Crino\u00efde ou Comatule ?"},"content":{"rendered":"<p>Accroch\u00e9e tout en haut d&rsquo;une gorgone fouet, <strong>une silhouette d\u00e9ploie ses bras<\/strong> comme un feu d\u2019artifice noir et dor\u00e9.<\/p>\n<p><a href=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6936.jpg\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4498 aligncenter\" src=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6936-744x496.jpg\" alt=\"\" width=\"744\" height=\"496\" srcset=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6936-744x496.jpg 744w, https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6936-420x280.jpg 420w, https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6936.jpg 1200w\" sizes=\"(max-width: 744px) 100vw, 744px\" \/><\/a><\/p>\n<p><strong>C\u2019est une comatule<\/strong>, un type particulier de crino\u00efde.<br \/>\nLe mot <strong>crino\u00efde<\/strong> d\u00e9signe l\u2019ensemble d\u2019un groupe d\u2019<strong>\u00e9chinodermes<\/strong> (Crinoidea) qui comprend deux formes principales :<\/p>\n<ul>\n<li><strong>Les formes fix\u00e9es (lys de mer)<\/strong>, attach\u00e9es au substrat toute leur vie gr\u00e2ce \u00e0 un p\u00e9doncule.<\/li>\n<li><strong>Les formes libres ( comatules)<\/strong>, capables de se d\u00e9placer (ordre Comatulida).<\/li>\n<\/ul>\n<p>Toutes les comatules sont donc des crino\u00efdes, mais toutes les crino\u00efdes ne sont pas des comatules.<\/p>\n<p>La <strong>comatule<\/strong> appartient au groupe des <strong>\u00e9chinodermes<\/strong>, tout comme les \u00e9toiles de mer, les oursins ou les holothuries.<\/p>\n<p><strong>Fix\u00e9e<\/strong> \u00e0 l\u2019aide de petits appendices articul\u00e9s situ\u00e9s sur la face inf\u00e9rieure, appel\u00e9s <strong>cirres<\/strong>, elle dispose de bras, au nombre de 20 \u00e0 40 selon l\u2019esp\u00e8ce, garnis de <strong>pinnules<\/strong> qui rappellent des <strong>plumes<\/strong>.<\/p>\n<p><a href=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6935.jpg\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4504 aligncenter\" src=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6935-744x496.jpg\" alt=\"\" width=\"744\" height=\"496\" srcset=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6935-744x496.jpg 744w, https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6935-420x280.jpg 420w, https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6935.jpg 1200w\" sizes=\"(max-width: 744px) 100vw, 744px\" \/><\/a><\/p>\n<p>C\u2019est gr\u00e2ce \u00e0 elles que la comatule <strong>filtre le plancton<\/strong> et les micro-organismes en suspension dans l\u2019eau.<\/p>\n<p><a href=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6939.jpg\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4500 aligncenter\" src=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6939-744x496.jpg\" alt=\"\" width=\"744\" height=\"496\" srcset=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6939-744x496.jpg 744w, https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6939-420x280.jpg 420w, https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6939.jpg 1200w\" sizes=\"(max-width: 744px) 100vw, 744px\" \/><\/a><\/p>\n<p>La journ\u00e9e, elle reste <strong>souvent immobile<\/strong>, d\u00e9ploy\u00e9e face au courant ; la nuit, certaines se d\u00e9placent et s\u2019installent dans de nouvelles positions de chasse.<\/p>\n<p><a href=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6938.jpg\"><img alt=\"\" loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4499 alignnone\" src=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6938-744x992.jpg\" alt=\"\" width=\"744\" height=\"992\" srcset=\"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6938-744x992.jpg 744w, https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6938-420x560.jpg 420w, https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Babou-Cote-Ocean-6938.jpg 900w\" sizes=\"(max-width: 744px) 100vw, 744px\" \/><\/a><\/p>\n<p>J&rsquo;ai r\u00e9alis\u00e9 ces clich\u00e9s sur le bord d&rsquo;un tombant \u00e0 <strong>Hiengu<\/strong> (<em>site de plong\u00e9e de Hiengh\u00e8ne &#8211; Nouvelle Cal\u00e9donie<\/em>), \u00e0 environ 18 m de profondeur.<\/p>\n<p>Les comatules y trouvent un courant r\u00e9gulier qui apporte <strong>nourriture et oxyg\u00e8ne<\/strong>, tout en offrant un <strong>d\u00e9cor id\u00e9al<\/strong> pour l\u2019\u0153il et l\u2019objectif du <strong>photographe<\/strong>.<\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Pour en savoir plus<\/strong><\/span> :<\/p>\n<ul>\n<li><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Crinoidea\" target=\"_blank\" rel=\"noopener\">https:\/\/fr.wikipedia.org\/wiki\/Crinoidea<\/a><\/li>\n<li><a href=\"https:\/\/sciences-nature.fr\/comatules-fossiles-museum-ardeche\/\" target=\"_blank\" rel=\"noopener\">https:\/\/sciences-nature.fr\/comatules<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p class=\"post-excerpt\">Accroch\u00e9e tout en haut d&rsquo;une gorgone fouet, une silhouette d\u00e9ploie ses bras comme un feu d\u2019artifice noir et dor\u00e9. C\u2019est&hellip;<\/p>\n<div class=\"link-more\"><a href=\"https:\/\/www.babou-plongee.com\/blog\/crinoide-ou-comatule\/\">Continue reading<span class=\"screen-reader-text\"> \"Crino\u00efde ou Comatule ?\"<\/span>&hellip;<\/a><\/div>","protected":false},"author":1,"featured_media":4506,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"gallery","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[12,20,16,15],"tags":[],"class_list":["post-4495","post","type-post","status-publish","format-gallery","has-post-thumbnail","hentry","category-articles-infos","category-les-news","category-les-speciales","category-sous-leau","post_format-post-format-gallery"],"jetpack_featured_media_url":"https:\/\/www.babou-plongee.com\/blog\/wp-content\/uploads\/2025\/08\/Bandeau-comatule.jpg","_links":{"self":[{"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/posts\/4495"}],"collection":[{"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/comments?post=4495"}],"version-history":[{"count":3,"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/posts\/4495\/revisions"}],"predecessor-version":[{"id":4513,"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/posts\/4495\/revisions\/4513"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/media\/4506"}],"wp:attachment":[{"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/media?parent=4495"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/categories?post=4495"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.babou-plongee.com\/blog\/wp-json\/wp\/v2\/tags?post=4495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}