New species of Bryconamericus Eigenmann (Characiformes: Characidae) from the rio Teles Pires, rio Tapajós basin, central Brazil [Bryconamericus pinnavittatus]

  • FERNANDO C. P. DAGOSTA & ANDRÉ L. NETTO-FERREIRA

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    Abstract

    A new species of Bryconamericus is described from the rio Teles Pires, a tributary of the rio Tapajós. The new taxon can be distinguished from its congeners by having a short anal fin with 11–13 branched rays, two maxillary teeth, four outer premaxillary teeth, and 34–38 perforated lateral-line scales. Other diagnostic characters of the species are the absence of a caudal-peduncle spot and the presence of a pigmented vertical band at the caudal-fin rays base. The phylogenetic Position of the new species is inferred based in two available phylogenetic hypotheses, and a discussion on its generic placement is provided.


    Quelle: Zootaxa 3911 (3): 433–442 (kostenpflichtig)