Condition factor in nine species of fish of the Characidae family in the upper Paraná River floodplain, Brazil

Estudo do fator de condição de nove espécies de peixes da família Characidae na planície de inundação do alto rio Paraná, Brasil

The condition factor for nine species of tropical freshwater fish of the Characidae family in the upper Paraná River floodplain is described. Fish were caught over a period of 12 months (February 1993 to March 1994). Knowledge of the nine species is important for adequate management and maintenance of the biological equilibrium of the ecosystem.

condition factor; Characidae; floodplain; Paraná River