2578 Gymnura marmorata Gymar_j0.jpg http://www.fishbase.org/images/species/Gymar_j0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gymar_j0.jpg Garcia, S. Gymar_u1.jpg http://www.fishbase.org/images/species/Gymar_u1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Gymar_u1.jpg Robertson, R. Gymar_u0.gif http://www.fishbase.org/images/species/Gymar_u0.gif http://www.fishbase.org/images/thumbnails/gif/tn_Gymar_u0.gif FAO