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Loricaria cuffyi (Siluriformes: Loricariidae), a new species of loricariin catfish from the Guiana Shield.
Londoño-Burbano, Alejandro; Urbano-Bonilla, Alexander; Thomas, Matthew R.
Afiliación
  • Londoño-Burbano A; Setor de Ictiologia, Departamento de Vertebrados, Museu Nacional/UFRJ, Rio de Janeiro, Brazil.
  • Urbano-Bonilla A; Department of Natural History, Royal Ontario Museum, Toronto, Ontario, Canada.
  • Thomas MR; Laboratorio de Ictiología, Unidad de Ecología y Sistemática (UNESIS), Departamento de Biología, Facultad de Ciencias, Pontificia Universidad Javeriana, Bogotá, Colombia.
J Fish Biol ; 98(1): 154-167, 2021 Jan.
Article en En | MEDLINE | ID: mdl-32990952
Loricaria cuffyi n. sp. is described based on 36 specimens from the Essequibo and upper Negro River drainages in western Guyana and the upper Orinoco River drainage in Venezuela. The new species can be distinguished from sympatric and geographically proximate congeners by a postorbital notch that is inconspicuous, shallow and rounded, odontode ridges on the dorsum of head and predorsal weakly developed, abdominal plates tightly joined and completely covering the median abdominal space and pectoral girdle, higher anterior lateral plate counts, and coloration characteristics. The distribution of the new species adds to an interesting and well-documented biogeographical pattern exhibited by other Guiana Shield loricariids influenced by the proto-Berbice during the Cenozoic and recent configuration of drainages in the Guiana Shield. We present an update on the taxonomy of Loricaria, and discuss the biogeography and conservation status of the new species.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bagres Límite: Animals País/Región como asunto: America do sul / Caribe ingles / Guyana / Venezuela Idioma: En Revista: J Fish Biol Año: 2021 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Reino Unido
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Bagres Límite: Animals País/Región como asunto: America do sul / Caribe ingles / Guyana / Venezuela Idioma: En Revista: J Fish Biol Año: 2021 Tipo del documento: Article País de afiliación: Brasil Pais de publicación: Reino Unido