Patterns of food resource use by two congeneric species of piranhas (Serrasalmus) on the upper Paraná river floodplain

Patterns of food resource use by two congeneric species of piranhas (Serrasalmus) on the upper Paraná river floodplain

Serrasalmus marginatus invaded the Upper Paraná River after construction of the Itaipu Dam in November 1982. This was followed by a reduction in abundance of the native species S. spilopleura. Analysis of the pattern of food resource use revealed that both species employ the same feeding strategy, e...

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Bibliographic Details
Main Authors:	C. S. Agostinho, N. S. Hahn, E. E. Marques
Format:	Article
Language:	English
Published:	Instituto Internacional de Ecologia
Series:	Brazilian Journal of Biology
Subjects:	feeding feeding rhythm species introduction
Online Access:	http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1519-69842003000200002&lng=en&tlng=en

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