Weferson Júnio da Graça

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Astyanax is a species-rich polyphyletic genus distributed between the southern United States and central Argentina. The genus contains groups of cryptic species, which are difficult to distinguish,(More)
A molecular phylogeny of Planaltina, including the three previously described species and an undescribed species, is presented. The monophyly of the genus, included in Diapomini, is strongly(More)
Australoheros is represented by species of Cichlidae spread over different Brazilian river systems. Individuals of Australoheros angiru were collected in isolated lagoons at 950 m of altitude in a(More)
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