1. Department of Veterinary Medicine - FZEA; University of São Paulo; Avenida Duque de Caxias Norte 225, Pirassununga, São Paulo 13630-080 Brazil
2. Laboratory of Fish Biotechnology, National Center for Research and Conservation of Continental Fish; Chico Mendes Institute of Biodiversity Conservation; Rodovia Pref. Euberto Nemésio Pereira de Godoy, Pirassununga, São Paulo 13630-970 Brazil
3. Aquaculture Center; São Paulo State University; Via de Acesso Prof. Paulo Donato Castellane s/n, Jaboticabal, São Paulo 14884-900 Brazil
4. School of Technology; University of Campinas - UNICAMP, Limeira; São Paulo 13484-332 Brazil
5. Faculty of Fisheries Sciences; Hokkaido University; 3-1-1 Minato-cho, Hakodate 041-8611 Japan