{"id":6307,"date":"2022-09-29T14:53:17","date_gmt":"2022-09-29T14:53:17","guid":{"rendered":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/?page_id=6307"},"modified":"2022-10-10T12:20:51","modified_gmt":"2022-10-10T12:20:51","slug":"questionable-species","status":"publish","type":"page","link":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/questionable-species\/","title":{"rendered":"Questionable species"},"content":{"rendered":"\n<div class=\"wp-block-jetpack-layout-grid alignfull column1-desktop-grid__span-8 column1-desktop-grid__start-3 column1-desktop-grid__row-1 column1-tablet-grid__span-8 column1-tablet-grid__row-1 column1-mobile-grid__span-4 column1-mobile-grid__row-1\">\n<div class=\"wp-block-jetpack-layout-grid-column wp-block-jetpack-layout-grid__padding-none\">\n<p class=\"has-text-align-center\" style=\"font-size:40px\"><strong>Questionable species<\/strong><\/p>\n\n\n\n<h2 class=\"has-normal-font-size\">RAJIDAE<\/h2>\n\n\n\n<h2 class=\"has-normal-font-size\"><em>Dipturus batis<\/em> and <em>Dipturus intermedius<\/em><\/h2>\n\n\n\n<p>According to the last taxonomic revision, the common skate complex &lsquo;<em>Dipturus<\/em> cf. <em>batis<\/em>&lsquo; comprises two species: the common blue skate <em>Dipturus batis<\/em> (formerly described as <em>Dipturus flossada<\/em>) and the flapper skate <em>Dipturus intermedius<\/em>. If the two species are now considered distinct, earlier data reported under the name &lsquo;<em>Dipturus batis<\/em>&lsquo; could however concern one or the other species, complicating the description of their geographical distribution. Recent studies reflect an increasing uncertainty regarding the contemporary occurrence of the common skate complex in the Mediterranean&nbsp;Sea.<\/p>\n\n\n\n<p><\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-jetpack-layout-grid alignfull column1-desktop-grid__span-4 column1-desktop-grid__start-3 column1-desktop-grid__row-1 column2-desktop-grid__span-4 column2-desktop-grid__start-7 column2-desktop-grid__row-1 column1-tablet-grid__span-4 column1-tablet-grid__row-1 column2-tablet-grid__span-4 column2-tablet-grid__start-5 column2-tablet-grid__row-1 column1-mobile-grid__span-4 column1-mobile-grid__row-1 column2-mobile-grid__span-4 column2-mobile-grid__row-2\">\n<div class=\"wp-block-jetpack-layout-grid-column wp-block-jetpack-layout-grid__padding-none\">\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"640\" height=\"446\" src=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-content\/uploads\/2022\/08\/dbatis_PedroNinyDuarte.jpg\" alt=\"\" class=\"wp-image-4553\" srcset=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-content\/uploads\/2022\/08\/dbatis_PedroNinyDuarte.jpg 640w, https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-content\/uploads\/2022\/08\/dbatis_PedroNinyDuarte-300x209.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><figcaption><em>Dipturus batis<\/em> (photo credit: Cambraia Duarte)<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-jetpack-layout-grid-column wp-block-jetpack-layout-grid__padding-none\">\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-content\/uploads\/2022\/08\/dbatis_DavyHolt-e1664786639127.jpg\" alt=\"\"\/><figcaption><em>Dipturus intermedius<\/em> (photo credit: Davy Holt)<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-jetpack-layout-grid alignfull column1-desktop-grid__span-8 column1-desktop-grid__start-3 column1-desktop-grid__row-1 column1-tablet-grid__span-8 column1-tablet-grid__row-1 column1-mobile-grid__span-4 column1-mobile-grid__row-1\">\n<div class=\"wp-block-jetpack-layout-grid-column wp-block-jetpack-layout-grid__padding-none\">\n<div style=\"height:38px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p><strong>Key references<\/strong><\/p>\n\n\n\n<ul id=\"block-19148128-49e3-4701-88eb-13648519f84b\" style=\"font-size:14px\"><li>Bache-Jeffreys M., de Moraes B.L.C., Ball R.E., Menezes G., P\u00e1lsson J., Pampoulie C., Stevens J.R., Griffiths A. M. 2021. Resolving the spatial distributions of <em>Dipturus intermedius <\/em>and <em>Dipturus batis <\/em>&#8211; the two taxa formerly known as the \u2018common skate\u2019. <em>Environmental Biology of Fishes<\/em> 104(8): 923-936.<\/li><li>Carpentieri P., Nastasi A., Sessa M., Srour A. 2021. Incidental catch of vulnerable species in Mediterranean and Black Sea fisheries \u2013 A review. General Fisheries Commission for the Mediterranean.\u00a0<em>Studies and Reviews<\/em>\u00a0101: I-317.<\/li><li>Carugati L., Melis R., Cariani A., Cau A., Crobe V., Ferrari A., Follesa M.C., Geraci M.L., Igl\u00e9sias S.P., Pesci P., Tinti F., Cannas R. 2022. Combined COI barcode\u2010based methods to avoid mislabelling of threatened species of deep\u2010sea skates. <em>Animal Conservation<\/em> 25(1): 38-52.<\/li><li>ICES. 2021. Working Group on Elasmobranch Fishes (WGEF). <em>ICES Scientific Reports<\/em> 3:59. 822 pp.<\/li><li>Igl\u00e9sias S. P., Toulhoat L., Sellos D. Y. 2010. Taxonomic confusion and market mislabelling of threatened skates: important consequences for their conservation status.\u00a0<em>Aquatic Conservation: Marine and Freshwater Ecosystems<\/em> <em>20<\/em>(3): 319-333.<\/li><li>Last P. R., Weigmann S., Yang L. 2016. Changes to the nomenclature of the skates (Chondrichthyes: Rajiformes). Rays of the world: Supplementary information: 11-34.<\/li><li>Ram\u00edrez-Amaro S., Ordines F., Esteban A., Garc\u00eda C., Guijarro B., Salmer\u00f3n F., Terrassa B., Massut\u00ed, E. 2020. The diversity of recent trends for chondrichthyans in the Mediterranean reflects fishing exploitation and a potential evolutionary pressure towards early maturation.\u00a0<em>Scientific Reports<\/em>\u00a0<em>10<\/em>(1): 1-18.<\/li><li>Serena F., Abella A. J., Bargnesi F., Barone M., Colloca F., Ferretti F., Fiorentino F., Jenrette J. &amp; Moro S.\u00a02020.\u00a0Species diversity, taxonomy and distribution of Chondrichthyes in the Mediterranean and Black Sea,\u00a0<em>The European Zoological Journal<\/em>\u00a087(1): 497-536.<\/li><\/ul>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Questionable species RAJIDAE Dipturus batis and Dipturus intermedius According to the last taxonomic revision, the common skate complex &lsquo;Dipturus cf. batis&lsquo; comprises two species: the common blue skate Dipturus batis (formerly described as Dipturus flossada) and the flapper skate Dipturus intermedius. If the two species are now considered distinct, earlier data reported under the name<a class=\"more-link\" href=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/questionable-species\/\">Lire la suite <span class=\"screen-reader-text\">\u00ab\u00a0Questionable species\u00a0\u00bb<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/pages\/6307"}],"collection":[{"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/comments?post=6307"}],"version-history":[{"count":19,"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/pages\/6307\/revisions"}],"predecessor-version":[{"id":6647,"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/pages\/6307\/revisions\/6647"}],"wp:attachment":[{"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/media?parent=6307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}