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Biological invasion at an early stage? First record of the banjo catfish Pseudobunocephalus iheringii (Siluriformes: Aspredinidae) in the Tramandaí river basin, Brazil and the potential invasion pathway to this system by R. A. Silveira*, J. Ferrer, F. G. Becker and S. M. Hartz.

Brazilian Journal of Biology - ahead of print. No abstract.
http://www.scielo.br/pdf/bjb/2017nahead ... 401716.pdf