In a reservoir in Southeast Brazil, introduction of a fish native to the Amazon has reduced native species diversity (IMAGE)

Fundação de Amparo à Pesquisa do Estado de São Paulo

In a reservoir in Southeast Brazil, introduction of a fish native to the Amazon has reduced native species diversity

Caption

A specimen of P. squamosissimus caught in the Chavantes reservoir (São Paulo state): originally from the North region, it may be competing with and contributing to a decline in the population of native species. However, it has become a key fishing resource in much of the country

Credit

Edmir Daniel Carvalho/CAUNESP

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