{"id":937,"date":"2020-06-13T04:19:44","date_gmt":"2020-06-13T07:19:44","guid":{"rendered":"https:\/\/www.ufrgs.br\/ictio\/?p=937"},"modified":"2020-06-13T04:19:44","modified_gmt":"2020-06-13T07:19:44","slug":"a-new-miniature-species-of-acanthobunocephalus-silurifomes-aspredinidae-from-the-lower-purus-river-basin-amazon-basin-brazil","status":"publish","type":"post","link":"https:\/\/www.ufrgs.br\/ictio\/2020\/06\/13\/a-new-miniature-species-of-acanthobunocephalus-silurifomes-aspredinidae-from-the-lower-purus-river-basin-amazon-basin-brazil\/","title":{"rendered":"A New Miniature Species of Acanthobunocephalus (Silurifomes: Aspredinidae) from the Lower Purus River Basin, Amazon Basin, Brazil"},"content":{"rendered":"

Tiago P. Carvalho\u00a0<\/span><\/span>and\u00a0Roberto E. Reis<\/span><\/p>\n

Uma segunda esp\u00e9cie de\u00a0Acanthobunocephalus<\/i>\u00a0\u00e9 descrita de tribut\u00e1rios do baixo rio Purus, na Bacia Amaz\u00f4nica, Brasil.\u00a0Acanthobunocephalus scruggsi<\/i>, esp\u00e9cie nova, se distingue de todas as outras esp\u00e9cies de aspredin\u00eddeos pelo n\u00famero extremamente reduzido de raios nas nadadeiras: quatro raios na nadadeira peitoral (vs. cinco ou mais), dois raios na nadadeira dorsal (vs. tr\u00eas ou mais, exceto\u00a0Amaralia hypsiura<\/i>), cinco raios da nadadeira p\u00e9lvica (vs. seis), quatro a cinco raios da nadadeira anal (vs. seis ou mais, exceto\u00a0Bunocephalus verrucosus<\/i>) e nove raios da nadadeira caudal (vs. 10, exceto Hoplomyzontinae,\u00a0Amaralia<\/i>,\u00a0Platystacus<\/i>,\u00a0Bunocephalus chamaizelus<\/i>\u00a0e\u00a0Bunocephalus minerim<\/i>).<\/i>\u00a0Aspectos osteol\u00f3gicos da nova esp\u00e9cie de\u00a0Acanthobunocephalus<\/i>\u00a0s\u00e3o descritos usando diafaniza\u00e7\u00e3o e tomografia computadorizada de raios-X de alta resolu\u00e7\u00e3o e comparados com\u00a0Acanthobunocephalus nicoi<\/i>\u00a0e outros aspredin\u00eddeos. A posi\u00e7\u00e3o gen\u00e9rica da nova esp\u00e9cie baseia-se em caracter\u00edsticas compartilhadas apom\u00f3rficas dela e\u00a0Acanthobunocephalus nicoi<\/i>\u00a0e aqui \u00e9 apresentado uma diagnose morfol\u00f3gica para\u00a0Acanthobunocephalus<\/i>.<\/p>\n

Link:\u00a0https:\/\/www.asihcopeiaonline.org\/doi\/abs\/10.1643\/CI-19-309<\/a><\/p>\n

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Paratype of Acanthobunocephalus scruggsi, INPA 42229, 20.6 mm SL, Amazonas, Tapau\u00e1 , Igarap\u00e9 dos Caetanos, tributary to Rio Ipixuna. Scale bar = 10 mm.<\/p><\/div>\n

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HRXCT model of skull and anterior body of Acanthobunocephalus scruggsi, holotype, INPA 57946, 21.7 mm SL. (A) Dorsal view, (B) lateral view, and (C) ventral view. br = branchiostegal rays; cl = cleithrum; cv=parapophysis of complex vertebrae; db=dorsal blade of complex vertebrae; den=dentary; df =dorsal fin; dp=distal portion of pectoral-fin spine; fr = frontal; hc = hemal canal; me = mesethmoid; mnp=middle nuchal plate; mx=maxilla; op=opercle; p=premaxilla; pcl = posterior process of cleithrum; pfs = pectoral-fin spine; po = preopercle; pp =proximal portion of pectoral-fin spine; psc = posterior process of scapulocoracoid; pso= parieto-supraoccipital; pto=pterotic; pv5 = parapophysis of fifth vertebra; r6 = sixth rib; sco = scapulocoracoid; scl=posttemporal-supracleithrum; spo=sphenotic; tf=temporal fontanel. Limits between selected bones are highlighted in black.<\/p><\/div>\n

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Geographic distributions of species of Acanthobunocephalus. Circles =A. nicoi, squares = A. scruggsi. Black symbols refer to type localities. Amazon River basin highlighted in green.<\/p><\/div>\n

 <\/p>","protected":false},"excerpt":{"rendered":"

Tiago P. Carvalho\u00a0and\u00a0Roberto E. Reis Uma segunda esp\u00e9cie de\u00a0Acanthobunocephalus\u00a0\u00e9 descrita de tribut\u00e1rios do baixo rio Purus, na Bacia Amaz\u00f4nica, Brasil.\u00a0Acanthobunocephalus scruggsi, esp\u00e9cie nova, se distingue de todas as outras esp\u00e9cies de aspredin\u00eddeos pelo n\u00famero extremamente reduzido de raios nas nadadeiras: quatro raios na nadadeira peitoral (vs. cinco ou mais), dois raios na nadadeira dorsal (vs. […]<\/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-937","post","type-post","status-publish","format-standard","hentry","category-sem-categoria"],"_links":{"self":[{"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/posts\/937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/comments?post=937"}],"version-history":[{"count":1,"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/posts\/937\/revisions"}],"predecessor-version":[{"id":941,"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/posts\/937\/revisions\/941"}],"wp:attachment":[{"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/media?parent=937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/categories?post=937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ufrgs.br\/ictio\/wp-json\/wp\/v2\/tags?post=937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}