{"id":25929,"date":"2024-03-10T20:32:33","date_gmt":"2024-03-10T20:32:33","guid":{"rendered":"https:\/\/www.africa-press.net\/madagascar\/politique\/laraignee-de-mer-est-elle-un-crabe"},"modified":"2024-03-11T02:41:25","modified_gmt":"2024-03-11T02:41:25","slug":"laraignee-de-mer-est-elle-un-crabe","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe","title":{"rendered":"L\u2019araign\u00e9e de mer est-elle un crabe ?"},"content":{"rendered":"

Africa-Press – Madagascar. <\/strong><\/span>Aussi appele\u0301e crabe-araigne\u0301e, l\u2019araigne\u0301e de mer, ce crustace\u0301 largement exploite\u0301 pour la qualite\u0301 de sa chair, a tout d\u2019un arachnide, a\u0300 commencer par son appellation. De quelle famille fait-elle donc partie ?<\/b><\/p>\n

Si l\u2019araigne\u0301e est un mets tre\u0300s appre\u0301cie\u0301 des amateurs de fruits de mer, il y a fort a\u0300 parier pour qu\u2019elle be\u0301ne\u0301ficie de moins de compassion quant a\u0300 sa protection (toutefois prote\u0301ge\u0301e par la Convention de Berne cense\u0301e re\u0301glementer sa prise), prenant l\u2019apparence d\u2019une ve\u0301ritable tarentule. Pourtant, l\u2019araigne\u0301e de mer est bel et bien un crabe, qui fait l\u2019objet d\u2019une pe\u0302che intensive (volontaire ou non).<\/p>\n

Un ve\u0301ritable crabe-araigne\u0301e<\/b><\/p>\n

L\u2019araigne\u0301e de mer est un animal marin appartenant a\u0300 la famille des Majidae, regroupant deux espe\u0300ces de crabes principales: Maja squinado, visible en mer Me\u0301diterrane\u0301e, et Maja brachydactyla, e\u0301voluant au nord-est de l\u2019oce\u0301an Atlantique. Du fait de sa carapace en forme de triangle en de ses longues paires de pattes, l\u2019animal s\u2019est vu affuble\u0301 du surnom d\u2019araigne\u0301e, pouvant quelque peu s\u2019apparenter aux arachnides terrestres.<\/p>\n

Le crustace\u0301 ne doit en revanche pas e\u0302tre confondu avec les espe\u0300ces d\u2019araigne\u0301es aquatiques, comme celles du genre Desis, appartenant a\u0300 la famille des arthropodes, mais que l\u2019on surnomme e\u0301galement \u00ab araigne\u0301e de mer \u00bb.<\/p>\n

Quelles sont les particularite\u0301s de l\u2019araigne\u0301e de mer ?<\/b><\/p>\n

Pre\u0301datrice et omnivore, l\u2019araigne\u0301e de mer justifie d\u2019un re\u0301gime alimentaire varie\u0301 principalement compose\u0301 d\u2019algues, d\u2019e\u0301toiles de mer, de vers, de crustace\u0301s, d\u2019oursins, de mollusques ou encore de poissons capture\u0301s dans les mailles des filets de pe\u0302che abandonne\u0301s.<\/p>\n

Ces animaux marins sont des crustace\u0301s migrateurs, hibernant au large a\u0300 plus de cinquante me\u0300tres de profondeur. Au tout de\u0301but du printemps, les crabes-araigne\u0301es remontent a\u0300 la surface et se rapprochent des co\u0302tes jusqu\u2019a\u0300 l\u2019automne. Si elle est en bonne sante\u0301 et qu\u2019elle ne fait pas les frais des filets, l\u2019araigne\u0301e de mer peut vivre entre 5 et 8 ans.<\/p>\n

Morphologie<\/b><\/p>\n

Le crabe-araigne\u0301e est dote\u0301 d\u2019un exo-squelette rigide, carapace peu extensible reque\u0301rant au crustace\u0301 de muer pour mener a\u0300 bien sa croissance. Les jeunes araigne\u0301es de mer s\u2019extraient alors de leur carapace apre\u0300s la mue, phe\u0301nome\u0300ne biologique qualifie\u0301 d\u2019exuviation, exposant ainsi leur corps vulne\u0301rable aux pre\u0301dateurs. Lorsque celles-ci re\u0301ussissent a\u0300 puiser suffisamment de mine\u0301raux (principalement du calcium et du magne\u0301sium) a\u0300 partir de l\u2019eau de mer, une nouvelle carapace les enveloppe.<\/p>\n

Les plus gros spe\u0301cimens de crabes-araigne\u0301es peuvent peser jusqu\u2019a\u0300 trois kilos, pour une trentaine de centime\u0300tres de long et une vingtaine de large.<\/p>\n

Une panoplie de de\u0301fense diverse et varie\u0301e<\/b><\/p>\n

La carapace bombe\u0301e de l\u2019araigne\u0301e de mer est munie de cinq longues dents e\u0301pineuses sur chaque bord, et recouverte d\u2019e\u0301pines ace\u0301re\u0301es. L\u2019animal posse\u0300de e\u0301galement un rostre compose\u0301 de deux autres dents, ainsi que des griffes et des pinces tranchantes au niveau des membres infe\u0301rieurs. En plus de cette panoplie de de\u0301fense varie\u0301e, l\u2019araigne\u0301e de mer a un don tout particulier pour se camoufler.<\/p>\n

Des rassemblements spectaculaires<\/b><\/p>\n

Les pe\u0301riodes de mue des crabes-araigne\u0301es donnent lieu a\u0300 de grands rassemblements pour le moins e\u0301tonnants: les crustace\u0301s se regroupent par centaines dans des eaux peu profondes en se marchant les uns sur les autres. Cet entassement, e\u0301galement propice a\u0300 la reproduction, pourrait en re\u0301alite\u0301 repre\u0301senter une technique de de\u0301fense face aux pre\u0301dateurs (poulpes, homards et certaines espe\u0300ces de gros poissons), les ma\u0302les se plac\u0327ant au sommet de cette incroyable pyramide marine.<\/p>\n

Pour plus d’informations et d’analyses sur la Madagascar<\/a>, suivez Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"

Africa-Press – Madagascar. Aussi appele\u0301e crabe-araigne\u0301e, l\u2019araigne\u0301e de mer, ce crustace\u0301 largement exploite\u0301 pour la qualite\u0301 de sa chair, a tout d\u2019un arachnide, a\u0300 commencer par son appellation. De quelle famille fait-elle donc partie ? Si l\u2019araigne\u0301e est un mets tre\u0300s appre\u0301cie\u0301 des amateurs de fruits de mer, il y a fort a\u0300 parier pour […]<\/p>\n","protected":false},"author":82,"featured_media":25928,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,50,49],"class_list":["post-25929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-madagascar","tag-madagascar"],"yoast_head":"\nL\u2019araign\u00e9e de mer est-elle un crabe ? - Madagascar<\/title>\n<meta name=\"description\" content=\"Aussi appele\u0301e crabe-araigne\u0301e, l\u2019araigne\u0301e de mer, ce crustace\u0301 largement exploite\u0301 pour la qualite\u0301 de sa chair, a ...\" \/>\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\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"L\u2019araign\u00e9e de mer est-elle un crabe ?\" \/>\n<meta property=\"og:description\" content=\"Aussi appele\u0301e crabe-araigne\u0301e, l\u2019araigne\u0301e de mer, ce crustace\u0301 largement exploite\u0301 pour la qualite\u0301 de sa chair, a ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe\" \/>\n<meta property=\"og:site_name\" content=\"Madagascar\" \/>\n<meta property=\"article:published_time\" content=\"2024-03-10T20:32:33+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-03-11T02:41:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2024\/03\/sm_1710108570.874033.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1024\" \/>\n\t<meta property=\"og:image:height\" content=\"685\" \/>\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=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"L\u2019araign\u00e9e de mer est-elle un crabe ?\",\"datePublished\":\"2024-03-10T20:32:33+00:00\",\"dateModified\":\"2024-03-11T02:41:25+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe\"},\"wordCount\":682,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/madagascar\/sites\/56\/2024\/03\/sm_1710108570.874033.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Madagascar\",\"Madagascar\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe\",\"url\":\"https:\/\/www.africa-press.net\/madagascar\/toutes-les-actualites\/laraignee-de-mer-est-elle-un-crabe\",\"name\":\"L\u2019araign\u00e9e de mer est-elle un crabe ? 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