A new glass tetra species of Phenacogaster from the rio Salitre, rio São Francisco drainage, Brazil (Characiformes: Characidae)

ABSTRACT A new species of Phenacogaster is described from the rio Salitre, a tributary of the lower middle rio São Francisco drainage. The new species can be clearly distinguished from all its congeners in having a conspicuous, broad caudal peduncle spot reaching the upper and lower margins of the p...

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Veröffentlicht in:Neotropical Ichthyology 2019-01, Vol.17 (1), p.e180134
Hauptverfasser: Lucena, Zilda Margarete Seixas de, Lucena, Carlos Alberto Santos de
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Sprache:eng
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Zusammenfassung:ABSTRACT A new species of Phenacogaster is described from the rio Salitre, a tributary of the lower middle rio São Francisco drainage. The new species can be clearly distinguished from all its congeners in having a conspicuous, broad caudal peduncle spot reaching the upper and lower margins of the peduncle with a short extension onto the middle caudal fin rays and another weaker extension over the lower lobe of the caudal fin. RESUMO Uma nova espécie de Phenacogaster é descrita do rio Salitre, afluente da drenagem do submédio rio São Francisco. A nova espécie é facilmente distinguida de todas as congêneres por apresentar uma conspícua e larga mancha no pedúnculo caudal que alcança as margens superior e inferior do pedúnculo com uma curta extensão sobre os raios medianos e outra mais fraca sobre o lobo inferior da nadadeira caudal.
ISSN:1679-6225
1982-0224
1982-0224
DOI:10.1590/1982-0224-20180134