26719 Hemisilurus mekongensis Hemek_u1.jpg http://www.fishbase.org/images/species/Hemek_u1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Hemek_u1.jpg Taylor, A. Hemek_u2.jpg http://www.fishbase.org/images/species/Hemek_u2.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Hemek_u2.jpg Taylor, A. Hemek_u0.jpg http://www.fishbase.org/images/species/Hemek_u0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Hemek_u0.jpg Baird, I.G. Hemek_u0.gif http://www.fishbase.org/images/species/Hemek_u0.gif http://www.fishbase.org/images/thumbnails/gif/tn_Hemek_u0.gif FAO