Natural fish species living in the Euphrates River System; It is subject to some pressures such as overfishing, competition with invasive and habitat loss. As a result of these pressures, it leads decrease endemic native species. At beginning are belonging Barbus Cuvier & Cloquet, 1816 Luciobarbus Heckel, 1843 genera, which have high economic importance. In this study, phylogenetic analysis...