{"id":4252,"date":"2022-07-25T15:59:30","date_gmt":"2022-07-25T15:59:30","guid":{"rendered":"https:\/\/ciesm.org\/marine\/programs\/seabirds\/?page_id=4252"},"modified":"2022-10-06T14:59:09","modified_gmt":"2022-10-06T14:59:09","slug":"dasyatis-tortonesei","status":"publish","type":"page","link":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/dasyatis-tortonesei\/","title":{"rendered":"Dasyatis tortonesei"},"content":{"rendered":"\n<div style=\"height:31px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-container-1 wp-block-group alignfull has-tertiary-background-color has-background\"><div class=\"wp-block-group__inner-container\">\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 is-vertically-aligned-center\">\n<div class=\"wp-block-columns\">\n<div class=\"wp-block-column is-vertically-aligned-top\">\n<p class=\"has-text-align-center has-background-color has-primary-background-color has-text-color has-background has-huge-font-size\"><em><em><em><em>Dasyatis tortonesei<\/em><\/em><\/em><\/em><\/p>\n\n\n\n<p><strong>Common name:<\/strong> Tortonese\u2019s stingray <br><strong>Order:<\/strong> Myliobatiformes  <br><strong>Family:<\/strong> Dasyatidae  <br><strong>Synonymes: <\/strong>Previously considered as a synonym of <em><a href=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/dasyatis-pastinaca\/\" data-type=\"page\" data-id=\"4277\">Dasyatis pastinaca<\/a><\/em>.\u00a0  <br><strong>Misidentifications: <\/strong><em><a rel=\"noreferrer noopener\" href=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/dasyatis-pastinaca\/\" target=\"_blank\">Dasyatis pastinaca<\/a><\/em> and <em><a rel=\"noreferrer noopener\" href=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/dasyatis-marmorata\/\" target=\"_blank\">Dasyatis marmorata<\/a><\/em><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-vertically-aligned-center\"><div id=\"metaslider-id-4232\" style=\"width: 100%;\" class=\"ml-slider-3-27-6 metaslider metaslider-flex metaslider-4232 ml-slider\">\n    <div id=\"metaslider_container_4232\">\n        <div id=\"metaslider_4232\">\n            <ul aria-live=\"polite\" class=\"slides\">\n                <li style=\"display: block; width: 100%;\" class=\"slide-4271 ms-image\"><img src=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-content\/uploads\/2022\/07\/dtortonesei_deglairemargaux-470x336.jpg\" height=\"500\" width=\"700\" alt=\"\" class=\"slider-4232 slide-4271\" title=\"dtortonesei_deglairemargaux\" \/><div class=\"caption-wrap\"><div class=\"caption\">photo credit: Margaux Deglaire<\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-4272 ms-image\"><img src=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-content\/uploads\/2022\/07\/dtortonesei_denisrabelingn-700x500.jpeg\" height=\"500\" width=\"700\" alt=\"\" class=\"slider-4232 slide-4272\" title=\"dtortonesei_denisrabelingn\" \/><div class=\"caption-wrap\"><div class=\"caption\">photo credit: Dennis Rabeling<\/div><\/div><\/li>\n                <li style=\"display: none; width: 100%;\" class=\"slide-4273 ms-image\"><img src=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-content\/uploads\/2022\/07\/dtortonesei_xavierrufray-560x400.jpg\" height=\"500\" width=\"700\" alt=\"\" class=\"slider-4232 slide-4273\" title=\"dtortonesei_xavierrufray\" \/><div class=\"caption-wrap\"><div class=\"caption\">photo credit: Xavier Rufray<\/div><\/div><\/li>\n            <\/ul>\n        <\/div>\n        \n    <\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:41px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/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<p class=\"has-text-align-center has-primary-background-color has-background has-large-font-size\"><strong>Short description<\/strong><\/p>\n\n\n\n<p>Medium sized species with a bulgy head and a short snout. Rhomboidal disc, more or less sinuous margins, with a short membranous fold on the lower part. Teeth rough and small. The median previous extremity of the fontanel is inwardly curved. The anterior extremity of the basibranchial is not perforate. Dart in the base of the tail.<br><br><strong>Color: <\/strong>Dorsal view is uniformly brownish to yellowish, varying to orange.<\/p>\n\n\n\n<p><strong>Measurements:<\/strong><\/p>\n\n\n\n<ul><li><strong>Disk width\u00a0<\/strong>(DW): up to 65 cm (max 84 cm)<\/li><\/ul>\n\n\n\n<p><strong>Swimming pattern: <\/strong>Undulatory locomotion.<\/p>\n\n\n\n<figure class=\"wp-block-video\"><video controls src=\"https:\/\/ciesm.org\/marine\/programs\/seabirds\/wp-content\/uploads\/2022\/07\/dtortonesei_fishbase.mp4\"><\/video><figcaption>video credit: Fishbase<\/figcaption><\/figure>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center has-primary-background-color has-background has-large-font-size\"><strong>Biology \/ Ecology<\/strong><\/p>\n\n\n\n<p>Feeds on benthic crustaceans, molluscs and fishes.<\/p>\n\n\n\n<p id=\"block-caf50a6c-6585-4a9d-972f-8036f1810e92\"><strong>Reproduction: <\/strong>Viviparous (aplacental viviparity). Size maturity (DW): 35-38 cm males, 46-47 cm females. Juveniles per litter: 3-9. Size at birth (DW): 15-16 cm.<br><br><strong>Habitat: <\/strong>Coastal benthic species in temperate water from shallow water to 200 m of depth. May enters lagoons like <em><a href=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/dasyatis-pastinaca\/\" data-type=\"page\" data-id=\"4277\">D. pastinaca<\/a>.<\/em><\/p>\n\n\n\n<div class=\"wp-block-jetpack-layout-grid column1-desktop-grid__span-11 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 has-foreground-color has-tertiary-background-color has-text-color has-background\" style=\"font-size:18px\">Unlike <em><a href=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/dasyatis-pastinaca\/\" data-type=\"page\" data-id=\"4277\">D. pastinaca<\/a>, D. tortonesei<\/em> has rough and small tooth crowns.<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-jetpack-layout-grid-column wp-block-jetpack-layout-grid__padding-none\">\n<p class=\"has-text-align-center has-primary-background-color has-background has-large-font-size\"><strong>Distinguishing characteristics<\/strong><\/p>\n\n\n\n<ul><li>Obtuse and short snout.<\/li><li>Brownish to yellowish, varying to orange, dorsal surface.<\/li><li>Dart in the base of the tail.<\/li><li>Tooth crowns rough and small.<\/li><\/ul>\n\n\n\n<p><strong>Myliobatiformes: <\/strong>No caudal and anal fin. Thin tail like a whip.<\/p>\n\n\n\n<p><strong>Dasyatidae:<\/strong> Batoids with depressed bodies.<\/p>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center has-primary-background-color has-background has-large-font-size\"><strong>Distribution<\/strong><\/p>\n\n\n\n<p id=\"block-7c753903-038c-44d5-aff6-969ae6648293\"><strong>Worldwide<\/strong>: Eastern Atlantic from Morocco to Mauritania.<\/p>\n\n\n\n<p id=\"block-9d84759b-671d-4c76-b4e6-4c202ee3961d\"><strong>Mediterranean<\/strong>: Unclear distribution due to misidentification with <em><a href=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/dasyatis-pastinaca\/\" data-type=\"page\" data-id=\"4277\">D. pastinaca<\/a><\/em>.<\/p>\n\n\n\n<ul><li><strong>Occurrence:<\/strong> Rare.<\/li><li><strong>Latest records:<\/strong> Malta (2017), Tunisia (2016), Mersin bay &#8211; Turkey (2013), Antalya Gulf &#8211; Turkey (2010), Izmir Bay and S\u0131\u011fac\u0131k Bay &#8211; Turkey (2007-2009), Syria (2001), Israel (1996).<\/li><\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img src=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-content\/uploads\/2022\/09\/Dasyatis_tortonesei_4.png\" alt=\"\"\/><\/figure>\n\n\n\n<div class=\"wp-block-jetpack-layout-grid column1-desktop-grid__span-10 column1-desktop-grid__start-2 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 has-foreground-color has-secondary-background-color has-text-color has-background\">Any recent observation not on the map?<br><a href=\"mailto: lmendez@ciesm.org\">Contact us<\/a>!<\/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<p class=\"has-text-align-center has-primary-background-color has-background has-large-font-size\"><strong>Conservation<\/strong><\/p>\n\n\n\n<p id=\"block-ca6ef4b1-4ee6-45e6-85da-9ca8e126a46f\"><strong>Threats<\/strong>: Caught in trammel nets.<br><br><strong>Protection level<\/strong>:<\/p>\n\n\n\n<ul><li><strong>Global:<\/strong> Data Deficient (IUCN 2021, last assessment: 2020)<\/li><\/ul>\n\n\n\n<p id=\"block-7c753903-038c-44d5-aff6-969ae6648293\"><br><\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:43px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-container-2 wp-block-group alignfull has-tertiary-background-color has-background\"><div class=\"wp-block-group__inner-container\">\n<div class=\"wp-block-jetpack-layout-grid alignfull column1-desktop-grid__span-10 column1-desktop-grid__start-2 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><strong>Key references<\/strong><\/p>\n\n\n\n<ul style=\"font-size:14px\"><li>Ali M.F. 2018. An updated Checklist of the Marine fishes from Syria with emphasis on alien species. <em>Mediterranean Marine Science<\/em> <em>19<\/em>(2): 388-393.<\/li><li>Ali M., Saad Adib. 2003. Sharks and Rays in the Syrian marine waters. <em>Basel al-Assad Journal For Engineering Sciences<\/em>: 45-76 [arabic] .\u00a0<\/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. <em>General Fisheries Commission for the Mediterranean &#8211;\u00a0Studies and Reviews<\/em>\u00a0101: I-317.<\/li><li>Eronat E.G.T., \u00d6zayd\u0131n O. 2014. Length-weight relationship of cartilaginous fish species from Central Aegean Sea (Izmir Bay and S\u0131\u011fac\u0131k Bay). <em>Su \u00dcr\u00fcnleri Dergisi<\/em> 31(3): 119-125.<\/li><li>Golani D. 2005. Checklist of the Mediterranean fishes of Israel. <em>Zootaxa<\/em> <em>947(<\/em>1): 1-90.<\/li><li>Saadaoui A., Saidi B., Elglid A., Seret B., Bradai M. 2016. Taxonomic observations on stingrays of the genus Dasyatis (Chondrichthyes: Dasyatidae) in the Gulf of Gab\u00e8s (southeastern Mediterranean Sea). <em>Zootaxa<\/em> <em>4173<\/em>(2): 101-113.<\/li><li>Vella N., Vella A. 2021. Characterization and comparison of the complete mitochondrial genomes of two stingrays,<em> Dasyatis pastinaca<\/em> and <em>Dasyatis tortonesei <\/em>(Myliobatiformes: Dasyatidae) from the Mediterranean Sea. <em>Molecular Biology Reports 48<\/em>(1): 219-226.<\/li><\/ul>\n<\/div>\n<\/div>\n<\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Dasyatis tortonesei Common name: Tortonese\u2019s stingray Order: Myliobatiformes Family: Dasyatidae Synonymes: Previously considered as a synonym of Dasyatis pastinaca.\u00a0 Misidentifications: Dasyatis pastinaca and Dasyatis marmorata Short description Medium sized species with a bulgy head and a short snout. Rhomboidal disc, more or less sinuous margins, with a short membranous fold on the lower part. Teeth<a class=\"more-link\" href=\"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/dasyatis-tortonesei\/\">Lire la suite <span class=\"screen-reader-text\">\u00ab\u00a0Dasyatis tortonesei\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\/4252"}],"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=4252"}],"version-history":[{"count":16,"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/pages\/4252\/revisions"}],"predecessor-version":[{"id":6571,"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/pages\/4252\/revisions\/6571"}],"wp:attachment":[{"href":"https:\/\/ciesm.org\/marine\/programs\/skatesandrays\/wp-json\/wp\/v2\/media?parent=4252"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}