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The Barra Bonita River is an affluent of the left margin of the Ivaí River, upper Paraná River basin. Fish samples were conduced in November 2006 (spring) and in February 2007 (summer), in three sampling stations along the Barra Bonita River, using gill nets, casting nets, and sieves. Thirty one fish species were collected, which belong to five orders, 14 families, and 25 genera. Among them, five are probably new to science.
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Maier et al. (2008) studied this question.
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