1. Graduate Course in Inland Aquatic Environments, Department of Biology, Maringá State University, Avenida Colombo, Maringá, Paraná, Brazil
2. Group of Research in Fisheries Resources and Limnology (Gerpel), Western Paraná State University (Campus of Toledo), Toledo, Paraná, Brazil
3. Nucleus of Research in Limnology, Ichthyology and Aquaculture (Nupélia), Maringá State University, Avenida Colombo, Maringá, Paraná, Brazil