Ichthyofauna of the Una river in the Paraíba do Sul Paulista River Valley, Southeastern of Brazil


  • Juliano Rodrigues Honorio Universidade de Taubaté, Programa de Pós-Graduação em Ciências Ambientais https://orcid.org/0000-0002-4987-2139
  • Itamar Alves Martins Universidade de Taubaté, Instituto Básico de Biociências, Laboratório de Zoologia


introduced species, new occurrence records, diversity, endemic species


Abstract: This study focus on an inventory of the ichthyofauna of the Una river, a tributary of the Paraíba do Sul river, located in the region of Paraíba do Sul River Valley, in the State of São Paulo. Sampling was carried out in three sampling areas along the channel of the Una river between April 2016 and March 2017. For the collection of fish specimens, was used angling, fyke nets, cast nets, dragnets and hand nets. A total of 1.534 specimens were collected, which corresponds to five different orders, 14 families, 26 genera and thirty species. The study revealed that the most significant number of reported species are from the orders Siluriformes and Characiformes. The Characidae family was the most representative concerning the wealth of species and Astyanax aff. bimaculatus (two spot Astyanax | lambari-do-rabo-amarelo) was the species with the highest number of individuals captured. The freshwater ichthyofauna of the Una river is composed of eight species considered allochthonous and one exotic. Of the thirty species listed in this study, five are new records for the Paraíba do Sul river basin.




How to Cite

Honorio, J. R., & Martins, I. A. (2018). Ichthyofauna of the Una river in the Paraíba do Sul Paulista River Valley, Southeastern of Brazil. Biota Neotropica, 18(4). Retrieved from //www.biotaneotropica.org.br/BN/article/view/1552