A new species of Hisonotus (Siluriformes, Loricariidae) of the upper Río Uruguay Basin. American Museum novitates ; no. 3333

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dc.contributor.authorAquino, Adriana E.en_US
dc.contributor.authorSchaefer, Scott Allen, 1958-en_US
dc.contributor.authorMiquelarena, Amalia María.en_US
dc.date.accessioned2005-10-06T16:41:47Z
dc.date.available2005-10-06T16:41:47Z
dc.date.issued2001en_US
dc.description12 p. : ill. ; 26 cm.en_US
dc.descriptionIncludes bibliographical references (p. 11-12).en_US
dc.description.abstractA new species of the hypoptopomatine genus Hisonotus (Loricariidae) is described from a small tributary of the upper río Uruguay basin near the border between Uruguay and Brazil. The new species can be distinguished from all other congeners by the following combination of characters: (1) presence of serrae along distal two thirds of posterior margin of pectoral-fin spine (versus serrae absent, posterior margin smooth); (2) odontodes along anterior margin of snout biserially arranged, dorsad and ventrad series separated by narrow odontode-free area covered by pad of soft tissue; (3) caudal peduncle short (27-34% SL, versus > 34% SL) and deep (13-15% SL, versus < 13% SL); (4) eye large (15-19% HL, versus < 13% HL); and (5) caudal-fin pigmentation, when well defined, dark brown with a pair of whitish blotches on upper and lower lobes. The significance of the distribution of the new species is discussed relative to the degree of endemism of other fish groups in the Uruguay basin.en_US
dc.format.extent626964 bytes
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2246/2886
dc.languageengen_US
dc.language.isoen_US
dc.publisherNew York, NY : American Museum of Natural Historyen_US
dc.relation.ispartofseriesAmerican Museum novitates ; no. 3333en_US
dc.subject.lccQL1 .A436 no.3333, 2001en_US
dc.subject.lcshHisonotus ringueletien_US
dc.subject.lcshCatfishes -- Uruguay River Valleyen_US
dc.subject.lcshFishes -- Uruguay River Valleyen_US
dc.titleA new species of Hisonotus (Siluriformes, Loricariidae) of the upper Río Uruguay Basin. American Museum novitates ; no. 3333en_US
dc.typetexten_US

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