10758 Nannostomus trifasciatus Natri_u0.jpg http://www.fishbase.org/images/species/Natri_u0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Natri_u0.jpg Appleby, C. Natri_u2.jpg http://www.fishbase.org/images/species/Natri_u2.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Natri_u2.jpg Hoffmann, P. and M. Hoffmann Natri_u1.jpg http://www.fishbase.org/images/species/Natri_u1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Natri_u1.jpg Appleby, C.