57082 Gymnotus sylvius Gysyl_u1.jpg http://www.fishbase.org/images/species/Gysyl_u1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gysyl_u1.jpg Sazima, I. Gysyl_u0.jpg http://www.fishbase.org/images/species/Gysyl_u0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gysyl_u0.jpg Sazima, I. Gysyl_u2.jpg http://www.fishbase.org/images/species/Gysyl_u2.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gysyl_u2.jpg Equipe de Ictiologia do Nupélia