TY - JOUR T1 - New small-sized species of Astyanax (Characiformes: Characidae) from the upper rio Paraguai basin, Brazil, with discussion on its generic allocation JO - Neotropical Ichthyology A1 - Dagosta, Fernando C. P. A1 - Marinho, Manoela M. F. SN - 1679-6225 UL - 10.1590/1982-0224-2021-0127 VL - 20 Y1 - 2022 PB - Brasil ER -