First record of Pimelodella mucosa Eigenmann & Ward, 1907 (Siluriformes: Heptapteridae) in Formosa, Argentina and comments on the geographical distribution of P. howesi Fowler, 1940
The examination of the specimens recorded as Pimelodella howesi in Argentina reveals a misidentification that allow us to confirm the presence of Pimelodella mucosa for first time in the country.
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