{"id":693,"date":"2018-03-29T01:37:28","date_gmt":"2018-03-29T04:37:28","guid":{"rendered":"https:\/\/www.ufrgs.br\/ictio\/?p=693"},"modified":"2018-03-29T01:37:28","modified_gmt":"2018-03-29T04:37:28","slug":"two-new-species-of-odontostilbe-historically-hidden-under-o-microcephala-characiformes-cheirodontinae","status":"publish","type":"post","link":"https:\/\/www.ufrgs.br\/ictio\/en\/2018\/03\/29\/two-new-species-of-odontostilbe-historically-hidden-under-o-microcephala-characiformes-cheirodontinae\/","title":{"rendered":"Two new species of Odontostilbe historically hidden under O. microcephala (Characiformes: Cheirodontinae)"},"content":{"rendered":"<p><\/p>\n<p class=\"sec\"><span class=\"author-name\">Junior\u00a0Chuctaya<span style=\"font-size: 10.5px;\">,\u00a0<\/span><\/span><span class=\"author-name\">Cristina M.\u00a0B\u00fchrnheim<span style=\"font-size: 10.5px;\">\u00a0&amp;\u00a0<\/span><\/span><span class=\"author-name\">Luiz R.\u00a0Malabarba<\/span><\/p>\n<p class=\"sec\">ABSTRACT<\/p>\n<p>Specimens historically identified as\u00a0<em>Odontostilbe microcephala<\/em>\u00a0from the upper rio Paran\u00e1 and Andean piedmont tributaries of the r\u00edo Paraguay are reviewed and split in three species. We found that the distribution of\u00a0<em>O. microcephala<\/em>\u00a0is restricted to the Andean slope of the r\u00edo Paraguay basin. The species is distinguished from congeners with subterminal mouth by the elongate body, usually 10-12 gill rakers on upper branch and smaller horizontal orbital diameter (24.6-32.8 % HL, mean 28.7%). Specimens from upper rio Paran\u00e1 constitute two new species, diagnosed from other Cheirodontinae by the presence of mesopterygoid teeth, grouped on median portion and forming a continuous row. The new species are distinguished from each other by having premaxillary teeth with five cusps\u00a0<em>vs<\/em>. nine cusps and by the number of lamellae in left and right sides of central median raphe of olfactory rosette with 20-21\u00a0<em>vs<\/em>. 11-12.<\/p>\n<p><b>Keywords:\u00a0<\/b>Biodiversity; Characidae; La Plata River basin; Mesopterygoid teeth; Taxonomy<\/p>\n<p>Link:\u00a0<a href=\"http:\/\/www.scielo.br\/scielo.php?script=sci_arttext&amp;pid=S1679-62252018000100205&amp;lng=en&amp;nrm=iso&amp;tlng=en\">http:\/\/www.scielo.br\/scielo.php?script=sci_arttext&amp;pid=S1679-62252018000100205&amp;lng=en&amp;nrm=iso&amp;tlng=en<\/a><\/p>\n<p><a href=\"https:\/\/www.ufrgs.br\/ictio\/wp-content\/uploads\/2018\/03\/Sin-t\u00edtulo.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-694\" src=\"https:\/\/www.ufrgs.br\/ictio\/wp-content\/uploads\/2018\/03\/Sin-t\u00edtulo.jpg\" alt=\"\" width=\"1352\" height=\"1052\" srcset=\"https:\/\/www.ufrgs.br\/ictio\/wp-content\/uploads\/2018\/03\/Sin-t\u00edtulo.jpg 1352w, https:\/\/www.ufrgs.br\/ictio\/wp-content\/uploads\/2018\/03\/Sin-t\u00edtulo-300x233.jpg 300w, https:\/\/www.ufrgs.br\/ictio\/wp-content\/uploads\/2018\/03\/Sin-t\u00edtulo-768x598.jpg 768w, https:\/\/www.ufrgs.br\/ictio\/wp-content\/uploads\/2018\/03\/Sin-t\u00edtulo-1024x797.jpg 1024w, https:\/\/www.ufrgs.br\/ictio\/wp-content\/uploads\/2018\/03\/Sin-t\u00edtulo-624x486.jpg 624w\" sizes=\"auto, (max-width: 1352px) 100vw, 1352px\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>Junior\u00a0Chuctaya,\u00a0Cristina M.\u00a0B\u00fchrnheim\u00a0&amp;\u00a0Luiz R.\u00a0Malabarba ABSTRACT Specimens historically identified as\u00a0Odontostilbe microcephala\u00a0from the upper rio Paran\u00e1 and Andean piedmont tributaries of the r\u00edo Paraguay are reviewed and split in three species. We found that the distribution of\u00a0O. microcephala\u00a0is restricted to the Andean slope of the r\u00edo Paraguay basin. The species is distinguished from congeners with subterminal mouth by [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-693","post","type-post","status-publish","format-standard","hentry","category-sem-categoria"],"_links":{"self":[{"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/posts\/693","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/comments?post=693"}],"version-history":[{"count":1,"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/posts\/693\/revisions"}],"predecessor-version":[{"id":695,"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/posts\/693\/revisions\/695"}],"wp:attachment":[{"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/media?parent=693"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/categories?post=693"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ufrgs.br\/ictio\/en\/wp-json\/wp\/v2\/tags?post=693"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}