On some freshwater fish species reported by Perugia (1891) from Argentina

María de las Mercedes Azpelicueta and Stefan Koerber

aqua International Journal of Ichthyology,  pp. 39-46, Volume 21 issue 1, 15 January 2015


Perugia (1891) described and recorded many fish species from Argentina, Paraguay and Brazil, whose voucher specimens were deposited at the Museo Civico di Storia Naturale di Genova (MSNG). Several species recorded by Perugia (1891) from Argentina were misidentified, which lead to erroneous citations of species for the Rio de la Plata basin during more than one century, species which in fact are restricted to river drainages from northern South America. The reevaluation of the specimens identified by Perugia (1891) as Pimelodus cristatus Müller & Troschel, Ramphichtys brevirostris Steindachner, and Myletes asterias Müller & Troschel, and the records of Serrasalmo humeralisValenciennes, and Serrasalmo gymnogenys Günther allowed us to rectify these records and exclude these species from the fish fauna lists of both the Rio de la Plata basin and Argentina.

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