1. Postgraduate Program in Animal Biodiversity; Federal University of Santa Maria; Santa Maria Brazil
2. Laboratory of Ecology and Evolution; Vale do Taquari University; Lajeado Brazil
3. Laboratory of Ecology and Conservation of Aquatic Ecosystems, Polytechnic School; UNISINOS; São Leopoldo Brazil
4. Department of Ecology and Evolution; Postgraduate Program in Biodiversity, Federal University of Santa Maria; Santa Maria Brazil