Cytogenetic analysis of three sympatric Gymnotus (Gymnotiformes, Gymnotidae) species verifies invasive species in the upper Paraná river basin, Brazil - Pavan Margarido, V.; Bellafronte, E.; Moreira-Filho, O.
Keywords: BRASIL; CITOGENÉTICA; CROMOSOMAS; PECES DE AGUA DULCE; RÍOS