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Revista Brasileira de Zoologia

Print version ISSN 0101-8175

Rev. Bras. Zool. vol.16  supl.2 Curitiba  1999

http://dx.doi.org/10.1590/S0101-81751999000600003 

Dieta da pirambeba Serrasalmus brandtii Reinhardt (Teleostei, Characidae) em quatro lagoas marginais do rio São Francisco, Brasil

 

Diet of pirambeba Serrasalmus brandtii Reinhardt (Teleostei, Characidae) in four floodplain lakes in São Francisco river, Brazil

 

 

Paulo dos Santos Pompeu

Departamento de Zoologia, Instituto de Ciências Biológicas, Universidade Federal de Mina Gerais. Avenida Antônio Carlos 6627. 31270-901 Belo Horizonte, Minas Gerais, Brasil. E-mail: pompeups@hotmail.com

 

 


ABSTRACT

The diet of pirambeba Serrasalmus brandtii Reinhardt 1874 was studied in four floodplain lakes in São Francisco river. The main food items consumed were chunks of fish flesh, small fishes, scales, fins and aquatic insects. Trophic ontogeny was observed in all lakes. The amount of fishes in the diet of S. brandtii increased with the length of the individuals, while the amount of aquatics insects, fins and scales decreased. Aquatic insects were consumed in greater proportion during the wet season. Fish ingestion, including scales and fins, was correlated with the abundance of fishes.

Key words: Serrasalmus brandtii, diet, floodplain lakes, São Francisco River.


 

 

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AGRADECIMENTOS. Aos amigos Fábio Vieira e Carlos Bernardo Mascarenhas Alves, Volney Vono, Gilmar Bastos Santos e Alexandre Lima Godinho pelas valiosas sugestões ao manuscrito. À CODEVASF, UFMG e CNPq, que possibilitaram a execução deste projeto.

 

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Recebido em 06.VIII.1998; aceito em 05.XI.1999.

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