HIGHLIGHTS
- who: Neotropical Ichthyology and colleagues from the Data collectionThe sites were selected for sampling according to a randomized approach. One site was chosen for each , km of a stream of specific order (from first to third order, as determined on a, :50, map scale, sensu Strahler, ). Ninety five stream reaches were sampled once during the dry season from , to , to minimize the effects of any seasonal differences. From the data set obtained, we used , reaches because they had the minimum number of three species, necessary to carry out the analysis. We collected fish by two electrofishing passes . . .
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