DistributionRead full entry
Range DescriptionSouth America inland waters: probably endemic to the Paraguay and lower ParanÃ¡ river basins, it is found in Rio de la Plata, lower-mid ParanÃ¡ River, mid Uruguay River and Paraguay River in Northeastern Argentina, western Brazil (States of Mato Grosso, ParanÃ¡ and Rio Grande do Sul), central Paraguay and western Uruguay (Rosa 1985, Carvalho et al. 2003, AraÃºjo et al. 2004, assessor?s pers. obs.). Citations of this species for the Orinoco and Amazon drainages probably represent misidentifications (Rosa 1985, assessor?s pers. obs.).