Hyphessobrycon uaiso: new characid fish from the rio Grande, upper rio Paraná basin, Minas Gerais State (Ostariophysi: Characidae), with a brief comment about some types of Hyphessobrycon

• Main Authors: Fernando R. Carvalho, Francisco Langeani
• Format: Article
• Language: English
• Published: Sociedade Brasileira de Ictiologia
• Series: Neotropical Ichthyology
• Subjects: Characiformes; Conservation status; Headwaters; New records; Systematics
• Online Access: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1679-62252013000300525&lng=en&tlng=en

Hyphessobrycon uaiso is described from the upper rio Paraná basin, rio Grande drainage, Minas Gerais State. The new species differs from its congeners by the short anal fin with 12-17 branched rays, and dorsal fin with ii,7-8 rays. Besides, it can be distinguished by the presence of i,5-6 pelvic fin rays, and by the coloration of the eyes (in life), slightly blue on the lower half and blackish on the upper half. New records of Hyphessobryconare recognized for the upper rio Paraná basin: H. eilyos Lima & Moreira, H. guarani Mahnert & Géry, and H. herbertaxelrodi Géry. The knowledge status about the ichthyofauna from the upper rio Paraná basin and comments about the type material of some species of Hyphessobrycon are briefly discussed.