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New species of Hyphessobrycon from the Rio Teles Pires, Rio Tapajós basin, Brazil (Ostariophysi, Characiformes)
Author(s) -
Carvalho F. R.,
Cabeceira F. G.,
Carvalho L. N.
Publication year - 2017
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/jfb.13362
Subject(s) - characiformes , ecoregion , biology , characidae , ecology , zoology , fishery , fish <actinopterygii>
A new species of Hyphessobrycon from the upper Rio Tapajós basin, in the Tapajós–Juruena ecoregion, is described. Hyphessobrycon pinnistriatus n. sp. is distinguished from its congeners by having a black, oblique stripe extending from the origin of the second branched ray to the distal end of the third branched anal‐fin ray, lacking a conspicuous black midlateral stripe on the body, inner premaxillary teeth with up to seven cusps, and fins normally hyaline or with scattered chromatophores. The description of a new species that is restricted to the Tapajós–Juruena ecoregion is consistent with this region being an area of high endemism of freshwater fishes.

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