TY - JOUR T1 - New Myloplus from Essequibo River basin, Guyana, with discussion on the taxonomic status of Myleus pacu (Characiformes: Serrasalmidae) JO - Neotropical Ichthyology A1 - Andrade, Marcelo C. A1 - López-Fernández, Hernán A1 - Liverpool, Elford A. SN - 1679-6225 UL - 10.1590/1982-0224-20190026 VL - 17 Y1 - 2019 PB - Brasil ER -