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A new species of Ituglanis (Siluriformes: Trichomycteridae) from the rio Uruguai basin, southern Brazil

2017; Sociedade Brasileira de Ictiologia; Volume: 15; Issue: 3 Linguagem: Inglês

10.1590/1982-0224-20170057

ISSN

1982-0224

Autores

Juliano Ferrer, Laura Modesti Donin,

Tópico(s)

Ichthyology and Marine Biology

Resumo

ABSTRACT A new species of Ituglanis associated to the grasslands of the Pampa biome is described from the rio Uruguai basin, southern Brazil. The new species is distinguished from its congeners by the low number of ribs and by a unique color pattern composed of an outer layer with scattered round black blotches equivalent in size to the eye circumference over a reddish brown background on the lateral surface of the body. We provide the genetic sequences of the mitochondrial gene Cytochrome c Oxydase subunit I (COI) for three of the paratypes and discuss aspects about the recent discovery of the new species.

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