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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.16 no.1 Curitiba Mar. 1999 



Presence of the walking catfish Clarias gariepinus (Burchell) (Siluriformes, Clariidae) in Minas Gerais state hydrographie basins, Brazil



Carlos Bernardo Mascarenhas Alves*; Volney Vono; Fábio Vieira

Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais. Caixa Postal 486, 31270-110 Belo Horizonte, Minas Gerais, Brasil




The first official occurrence of the exotic species Clarias gariepinus (Burchell, 1822) in the Rio Paraopeba (São Francisco river basin), the Rio Grande (Paraná river basin), and the Rio Doce (Doce river basin), is reported, with comments on the possible ecological consequences and on the conservation of freshwater fish biodiversity due to non-native species introductions.

Key words: Clarias gariepinus, exotic species, fish conservation, Minas Gerais, Brazil



Full text available only in PDF format.

Texto completo disponível apenas em PDF.



ACKNOWLEDGMENTS. The authors thank Companhia Energética de Minas Gerais (CEMIG) and Internacional de Engenharia S.A. (IESA) for the opportunity of collecting fishes in the Rio Paraopeba, the Rio Grande and the Rio Doce, during environmental studies. We also thank Dr. Naércio Aquino de Menezes (MZUSP), Dr. Guy G. Teugels (Musee Royal de L'Afrique Centrale), Dr. Mauro Luís Triques (UFMG) and an anonymous referee for their useful suggestions regarding the manuscript. Finally we would like to thank Matthew Yoder and Dr. Douglas Yanega for the English version improvement.



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Recebido em 19.IX.1997; aceito em 01.III.1999.



* Rua Rio de Janeiro, 2754/1402. 30160-042 Belo Horizonte, Minas Gerais, Brasil. E-mail: or

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