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A new species of the Eigenmannia trilineata (Gymnotiformes: Sternopygidae) species group from the río Orinoco basin, Venezuela
Peixoto, Luiz A. W; Waltz, Brandon T.
  • Peixoto, Luiz A. W; Universidade de São Paulo. Museu de Zoologia. Setor de Ictiologia. São Paulo. BR
  • Waltz, Brandon T; University of Louisiana at Lafayette. Department of Biology. Lafayette. US
Neotrop. ichthyol ; 15(1): e150199, 2017. tab, graf, ilus
Article in English | LILACS, VETINDEX | ID: biblio-841885
ABSTRACT
A new species of the Eigenmannia trilineata species group is described from the río Orinoco basin, Venezuela. The new species is distinguished from congeners by a unique set of characters including an ossified basibranchial 1; 198-217 anal-fin rays; suborbital depth, 21.3-26.1% HL; length of anterodorsal process of maxilla equal to the width of the posterior nostril; premaxilla with 17 teeth distributed in three rows; hyaline pectoral and anal fins; and number of scale series above lateral line, 9-10. It raises the number of species allocated to the Eigenmannia trilineata species group to 13 and the number of species within the genus to 18.(AU)
RESUMEN
Se describe una nueva especie del grupo Eigenmannia trilineata de la cuenca del río Orinoco, Venezuela. La nueva especie se distingue de sus congéneres por una combinación única de caracteres, incluyendo el basibranquial 1 osificado; número de radios de la anal, 198-217; profundidad del suborbital, 21.3-26.1% HL; longitud del proceso anterodorsal de la maxila igual al ancho de la narina posterior; 17 dientes premaxilares distribuidos en tres hileras; aletas pectoral y anal hialinas; y 9-10 hileras de escamas sobre la serie de la línea lateral. La presente contribución eleva el número de especies del grupo Eigenmannia trilineata a 13, y a 18 aquellas dentro del género.(AU)
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Gymnotiformes / Biodiversity Limits: Animals Country/Region as subject: South America / Venezuela Language: English Journal: Neotrop. ichthyol Year: 2017 Type: Article / Project document Institution/Affiliation country: Universidade de São Paulo/BR / University of Louisiana at Lafayette/US

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Full text: Available Index: LILACS (Americas) Main subject: Gymnotiformes / Biodiversity Limits: Animals Country/Region as subject: South America / Venezuela Language: English Journal: Neotrop. ichthyol Year: 2017 Type: Article / Project document Institution/Affiliation country: Universidade de São Paulo/BR / University of Louisiana at Lafayette/US