Abstract
The Mogi Guaçu River is one of the largest rivers in state of São Paulo, belonging to Paraná hydrographic system. A study about fish composition in the Mogi Guaçu reservoir and four oxbow lakes downstream the reservoir is showed. A total of 2,367 individuals from six orders, 17 families, and 46 species were collected during August 2005 to July 2006, using gillnets, traps and hand nets. In the reservoir were found 31 species and in the oxbow lakes 24, in which Curimatidae and Characidae were the most abundant families, respectively.
Highlights
Paulo and a great fish fauna diversity with 38 families, 310 species (236 are autochthonous) and 50 new species under description (Langeani et al 2007)
The Mogi Guaçu River basin has a fish fauna that has been better studied in relation to other drainages in Brazil (Meschiatti and Arcifa 2009)
The Mogi Guaçu River rise in the Mantiqueira mountain range at 1,650 m, in the state of Minas Gerais, Brazil
Summary
Paulo and a great fish fauna diversity with 38 families, 310 species (236 are autochthonous) and 50 new species under description (Langeani et al 2007). This basin has been strongly impacted by human activities, such as deforestation and hydroelectric dams that caused many negative impacts to the fish fauna (Castro and Menezes 1998). These constructions are very common in Brazil (Agostinho et al 2007). We present a checklist of the fish fauna from Mogi Guaçu reservoir and four oxbow lakes from Ecological Station (Campininha farm) of the upper Mogi Guaçu River basin in the state of São Paulo, Brazil
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