New species of Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the eastern Amazon, Pará, Brazil

  • Vieira L
  • Netto-Ferreira A
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Abstract

ABSTRACT A new species of Pyrrhulina is described based on 60 specimens from tributaries of the rio Amazonas: rio Anapu, rio Capim, rio Guamá and rio Xingu, and coastal drainages in the state of Pará, Brazil. The new species differs from all congeners by having the primary stripe (the horizontal stripe of dark pigmentation extending posteriorly from the snout) terminating at the distal edge of the opercle. In all other species of Pyrrhulina, the primary stripe is either restricted to the snout or continues beyond the head (i.e. at least the anteriormost four scales of the lateral line series).RESUMO Uma nova espécie de Pyrrhulina é descrita baseada em 60 espécimes dos afluentes do rio Amazonas: rio Anapu, rio Capim, rio Guamá e rio Xingu, e drenagens costeiras no estado do Pará, Brasil. A nova espécie distingue-se de todas as congêneres por ter a faixa primária (faixa horizontal de pigmentação escura que se estende posteriormente do focinho) terminando na borda distal do opérculo. Em todas as outras espécies de Pyrrhulina, a faixa primária é restrita ao focinho ou continua além da cabeça (para incluir pelo menos as quatro escamas anteriores da série da linha lateral).

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Vieira, L. S., & Netto-Ferreira, A. L. (2019). New species of Pyrrhulina (Teleostei: Characiformes: Lebiasinidae) from the eastern Amazon, Pará, Brazil. Neotropical Ichthyology, 17(2). https://doi.org/10.1590/1982-0224-20190013

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