2012
DOI: 10.1643/ci-11-011
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A New Species of Hypostomus (Siluriformes: Loricariidae) from the Upper Rio Paraguay Basin, Brazil

Abstract: A new small Loricariidae, Hypostomus careopinnatus, is described from the Rio Taquari drainage, upper Rio Paraguay basin, Mato Grosso, Brazil. The new species can be easily distinguished from all congeners, except Hypostomus levis, by the absence of adipose fin. Hypostomus careopinnatus is distinguished from H. levis mainly by the presence of slender bifid teeth, with mesial cusp large and rounded, and lateral cusp small and pointed (vs. spoon-shaped teeth). The new species described herein completely lacks th… Show more

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Cited by 5 publications
(5 citation statements)
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References 16 publications
(18 reference statements)
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“…Os Hypostomus da bacia Paraná-Paraguai vêm á sendo estudados há algum tempo (e.g. Zawadzky et al, 1999Zawadzky et al, , 2002Zawadzky et al, , 2008Zawadzky et al, , 2010Zawadzky et al, , 2014Jerep et al, 2007;Martins et al, 2012), de modo que foi possível listar várias espécies para o estado. Estudos em andamento indicaram a existência de seis formas novas para a ciência na bacia do Alto Paraguai em MS, bacia esta que contém uma diversidade ainda não descrita para o gênero (Zawadzky et al, 2010); duas descrições já foram submetidas para publicação.…”
Section: Resultsunclassified
“…Os Hypostomus da bacia Paraná-Paraguai vêm á sendo estudados há algum tempo (e.g. Zawadzky et al, 1999Zawadzky et al, , 2002Zawadzky et al, , 2008Zawadzky et al, , 2010Zawadzky et al, , 2014Jerep et al, 2007;Martins et al, 2012), de modo que foi possível listar várias espécies para o estado. Estudos em andamento indicaram a existência de seis formas novas para a ciência na bacia do Alto Paraguai em MS, bacia esta que contém uma diversidade ainda não descrita para o gênero (Zawadzky et al, 2010); duas descrições já foram submetidas para publicação.…”
Section: Resultsunclassified
“…H. cafuringa and H. crulsi are small suckermouth‐armoured catfish species distributed in the headwater streams of the Distrito Federal that drain into the upper Tocantins and upper Paraná rivers, respectively. Several other small body‐sized species have previously been described in the genus Hypostomus , e.g ., H. nigromaculatus , H. careopinnatus , H. velhochico and H. yaku (Martins et al ., 2012; Martins et al ., 2014; Schubart, 1964; Zawadzki et al ., 2017a). This is consistent with literature showing that fast‐flowing lotic environments are often associated with smaller species (Lavin & McPhail, 1993; Schlosser, 1987).…”
Section: Discussionmentioning
confidence: 99%
“…The subfamily Hypostominae was reviewed by Armbruster (2004), who excluded several genera formerly considered in the subfamily and proposed Ancistrinae to be a tribe (Ancistrini) within Hypostominae. Hypostomus Lacépède, 1803, with 128 species (Zawadzki et al, 2010;Martins et al, 2012), is the most species-rich genus of this group and one of the largest genera in the Neotropical region. Species of Hypostomus occur almost everywhere in tropical East Andean and southern temperate regions of South America and they colonize nearly any aquatic habitat, although preferring running waters (Montoya-Burgos, 2003).…”
Section: Introductionmentioning
confidence: 99%