{"id":6874,"date":"2014-11-24T08:00:56","date_gmt":"2014-11-24T07:00:56","guid":{"rendered":"http:\/\/codexvirtualis.fr\/codex\/?p=6874"},"modified":"2014-11-17T20:50:21","modified_gmt":"2014-11-17T19:50:21","slug":"semaine-48-2014","status":"publish","type":"post","link":"https:\/\/codexvirtualis.fr\/codex\/semaine-48-2014","title":{"rendered":"Semaine 48-2014"},"content":{"rendered":"<h2>Une citation<\/h2>\n<p>\u00ab\u00a0L&rsquo;homme honorable commence par appliquer ce qu&rsquo;il veut enseigner\u00a0; ensuite il enseigne.\u00a0\u00bb<\/p>\n<p>Confucius<\/p>\n<p> &nbsp; <\/p>\n<h2>Une image<\/h2>\n<figure style=\"width: 300px\" class=\"wp-caption alignnone\"><a rel=\"lightbox\" href=\"\/documents\/images\/nassarius_reticulatus_DSCN3583-WEB.JPG\" target=\"_blank\"><img decoding=\"async\" src=\"\/documents\/images\/nassarius_reticulatus_DSCN3583-WEB.JPG\" width=\"300\" alt=\"Nasse r\u00e9ticul\u00e9e\" class \/><\/a><figcaption class=\"wp-caption-text\">Nasse r\u00e9ticul\u00e9e (Carantec, f\u00e9vrier 2005)<\/figcaption><\/figure>\n<p> &nbsp; <\/p>\n<p>La Nasse r\u00e9ticul\u00e9e (<em>Nassarius reticulatus<\/em>) est un Mollusque gast\u00e9ropode de la famille des Nassariid\u00e9s.<\/p>\n<p>Cette esp\u00e8ce marine fr\u00e9quente la partie basse de la zone intertidale, le plus souvent immerg\u00e9e mais \u00e9merg\u00e9e \u00e0 l&rsquo;occasion des grandes mar\u00e9es, jusqu&rsquo;\u00e0 une profondeur d&rsquo;environ 20 m\u00e8tres.<br \/>\nElle affectionne les milieux meubles (sableux, vaseux ou graviers, notamment entre les rochers) dans lesquels elle s&rsquo;enfouit souvent et peu agit\u00e9s.<\/p>\n<p> &nbsp; <\/p>\n<p>La Nasse r\u00e9ticul\u00e9e est ais\u00e9ment identifi\u00e9e \u00e0 la forme et aux reliefs de sa coquille.<\/p>\n<p>Longue de 30 mm au maximum, la coquille est spiral\u00e9e et comporte au plus une dizaine de tours assez peu marqu\u00e9s.<br \/>\nPointue et solide, elle est orn\u00e9e d&rsquo;\u00e9paisses c\u00f4tes. Des sillons spiral\u00e9s les recoupent, d\u00e9terminant des croisillons. Une ornementation en r\u00e9seau en r\u00e9sulte, \u00e0 l&rsquo;origine du qualificatif \u00ab\u00a0r\u00e9ticul\u00e9\u00a0\u00bb employ\u00e9 pour d\u00e9crire l&rsquo;esp\u00e8ce.<br \/>\nSon ouverture, ovale et denticul\u00e9e, porte un canal siphonal court mais profond.<\/p>\n<p>La coloration de la coquille est relativement terne et \u00e0 dominante brune, jaun\u00e2tre ou verd\u00e2tre. <\/p>\n<p> &nbsp; <\/p>\n<p>Lorsque la Nasse r\u00e9ticul\u00e9e n&rsquo;est pas r\u00e9tract\u00e9e dans sa coquille, elle d\u00e9ploie un pied lui permettant de se d\u00e9placer par reptation, une t\u00eate portant deux tentacules et deux yeux, ainsi qu&rsquo;un long siphon sensible \u00e0 la composition chimique de l&rsquo;environnement.<\/p>\n<p>Son r\u00e9gime alimentaire est principalement compos\u00e9 d&rsquo;animaux morts (poissons, crustac\u00e9s, Mollusques par exemple), d\u00e9tect\u00e9s gr\u00e2ce aux r\u00e9cepteurs sensoriels du siphon. Elle en d\u00e9tache de petites particules gr\u00e2ce \u00e0 sa radula, langue r\u00e2peuse associ\u00e9e \u00e0 la bouche et anim\u00e9e de mouvements de va-et-vient, avant de les avaler.<br \/>\nIl s&rsquo;agit d&rsquo;un animal n\u00e9crophage.<\/p>\n<p> &nbsp; <\/p>\n<p>Pour en savoir plus, consulter :<\/p>\n<p><span style=\"color: #999999;\">&bull; <\/span>le site <a href=\"http:\/\/doris.ffessm.fr\" target=\"_blank\">Doris<\/a> (Donn\u00e9es d\u2019observations pour la reconnaissance et l\u2019identification de la faune et de la flore subaquatiques \u2013 F\u00e9d\u00e9ration fran\u00e7aise d\u2019\u00e9tudes et de sports sous-marins \u2013 adresse : http:\/\/doris.ffessm.fr)<\/p>\n<p>et notamment<\/p>\n<p><span style=\"color: #999999;\">&bull; <\/span>la fiche <a href=\"http:\/\/doris.ffessm.fr\/fiche2.asp?fiche_numero=845\" target=\"_blank\">QUENNEHEN Evelyne, DE CISTERNES Aur\u00e9lie, DUCASSY Jean-Marie,  in : DORIS, 2\/4\/2014 : Nassarius reticulatus (Linnaeus, 1758)<\/a> (adresse : http:\/\/doris.ffessm.fr\/fiche2.asp?fiche_numero=845)<\/p>\n<p><span style=\"color: #999999;\">&bull; <\/span>le site <a href=\"http:\/\/www.marlin.ac.uk\" target=\"_blank\">Marlin<\/a> (The marine life information network \u2013 en anglais \u2013 adresse http:\/\/www.marlin.ac.uk)<\/p>\n<p> &nbsp; <\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>Une citation \u00ab\u00a0L&rsquo;homme honorable commence par appliquer ce qu&rsquo;il veut enseigner\u00a0; ensuite il enseigne.\u00a0\u00bb Confucius &nbsp; Une image &nbsp; La Nasse r\u00e9ticul\u00e9e (Nassarius reticulatus) est un Mollusque gast\u00e9ropode de la famille des Nassariid\u00e9s. Cette esp\u00e8ce marine fr\u00e9quente la partie basse de la zone intertidale, le plus souvent immerg\u00e9e mais \u00e9merg\u00e9e \u00e0 l&rsquo;occasion des grandes mar\u00e9es, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[28,12,23],"class_list":["post-6874","post","type-post","status-publish","format-standard","hentry","category-a-la-une","tag-biologie","tag-mollusque","tag-observation"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/6874","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/comments?post=6874"}],"version-history":[{"count":11,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/6874\/revisions"}],"predecessor-version":[{"id":6903,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/posts\/6874\/revisions\/6903"}],"wp:attachment":[{"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/media?parent=6874"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/categories?post=6874"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/codexvirtualis.fr\/codex\/wp-json\/wp\/v2\/tags?post=6874"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}