4633 Acipenser dauricus Hudau_u1.jpg http://www.fishbase.org/images/species/Hudau_u1.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Hudau_u1.jpg CAFS Hudau_u0.jpg http://www.fishbase.org/images/species/Hudau_u0.jpg http://www.fishbase.org/images/thumbnails/jpg/tn_Hudau_u0.jpg Pauly, I.