Title:Populations of Characidium rachovii (Crenuchidae: Characidiinae) with reduction of the adipose fin from Argentina and a Southernmost record of C. occidentale
Title:New records of Astyanax pelegrini Eigenmann, 1907 and Triportheus pantanensis Malabarba, 2004 (Actinopterygii: Characiformes: Characidae) for the Río Pilcomayo National Park and Ramsar Site in the province of Formosa, Argentina