57673 Graus nigra Grnig_u1.jpg http://www.fishbase.org/images/species/Grnig_u1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Grnig_u1.jpg Cáceres, R. Grnig_u2.jpg http://www.fishbase.org/images/species/Grnig_u2.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Grnig_u2.jpg Cáceres, R. Grnig_u3.jpg http://www.fishbase.org/images/species/Grnig_u3.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Grnig_u3.jpg Cáceres, R. Grnig_b0.jpg http://www.fishbase.org/images/species/Grnig_b0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Grnig_b0.jpg OsteoBase Grnig_b1.jpg http://www.fishbase.org/images/species/Grnig_b1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Grnig_b1.jpg OsteoBase