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

Made available in DSpace on 2019-09-12T16:56:53Z (GMT). No. of bitstreams: 0 Previous issue date: 2018Fundação de Apoio à Pesquisa, Tecnologia e Inovação (Fapeti)This study focus on an inventory of the ichthyofauna of the Una river, a tributary of the Paraiba do Sul river, located in the region of Paraiba do Sul River Valley, in the State of Sao 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 vertical bar 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 Paraiba do Sul river basin.[Honorio, Juliano Rodrigues] Universidade de Taubaté (Unitau), Programa Posgrad Ciencias Ambientais, Estr Municipal Dr Jose Luiz Cembranelli 5000, BR-12081010 Taubate, SP, Brazil[Martins, Itamar Alves] Universidade de Taubaté (Unitau), Inst Basico Biociencias, Lab Zool, Av Tiradentes 500, BR-12030180 Taubate, SP, Brazi