Freshwater fishes of Syria: a revised and updated annotated checklist- 2023 Author Saad, Adib 0000-0001-6393-2836 Al Andalus University, Kadmus, Tartus, Syria / Syrian Society for Aquatic Environment Protection, Lattakia, Syria. https: // orcid. org / 0000 - 0001 - 6393 - 2836 Author Çiçek, Erdoğan Department of Biology, Faculty of Art and Sciences, Nevþehir Hacý BektaþVeli University, Nevþehir, T ¸ rkiye. Author Esmaeili, Hamid Reza 0000-0002-9736-397X Ichthyology and Molecular Systematics Research Laboratory, Zoology Section, Department of Biology, School of Science, Shiraz University, Shiraz, Iran. https: // orcid. org / 0000 - 0002 - 9736 - 397 X Author Fricke, Ronald 0000-0003-1476-6990 Staatliches Museum f ¸ r Naturkunde in Stuttgart, Rosenstein 1, 70191 Stuttgart, Germany. https: // orcid. org / 0000 - 0003 - 1476 - 6990 Author Sungur, Sevil 0000-0003-4018-6375 Health Services Vocational School, Nevþehir Hacý BektaþVeli University, Nevþehir, T ¸ rkiye. https: // orcid. org / 0000 - 0003 - 4018 - 6375 Author Eagderi, Soheil 0000-0001-6393-2836 Al Andalus University, Kadmus, Tartus, Syria / Syrian Society for Aquatic Environment Protection, Lattakia, Syria. https: // orcid. org / 0000 - 0001 - 6393 - 2836 & Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Iran. https: // orcid. org / 0000 - 0002 - 1134 - 0356 * Corresponding author: erdogancicek 50 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5334 - 5737 & Al Andalus University, Kadmus, Tartus, Syria / Syrian Society for Aquatic Environment Protection, Lattakia, Syria. https: // orcid. org / 0000 - 0001 - 6393 - 2836 erdogancicek50@gmail.com text Zootaxa 2023 2023-09-22 5350 1 1 62 http://dx.doi.org/10.11646/zootaxa.5350.1.1 journal article 270787 10.11646/zootaxa.5350.1.1 503ff6a9-9260-469d-af97-456e103cbfae 1175-5334 23B4C9BF-A1A4-4D27-8C30-E4A23DAD01AB Squalius lepidus Heckel, 1843 [N]—Mesopotamian pike chub; None Taxonomy. Original description: Squalius lepidus Heckel, 1843a: 21 [24], pl. 9 [Tigris River, Mosul, Iraq ; lectotype : NMW 49342 (spec. 1); lectotype selected by Bogutskaya (1994: 603) ].—Syrian synonyms: Leuciscus lepidus (Heckel, 1843) .—Revisions: Sanjur et al. (2003: 22).—Illustration: Heckel (1843b : pl. 10, fig. 2). Status in Syria . First record from Syria by Pellegrin (1911: 108) ; confirmed by Gruvel (1931) ; Beckman (1962: 130) as Leuciscus lepidus and Krupp & Schneider (1991b: 73) ; Saad et al. (2009) as Leuciscus lepidus .— Syrian material: BMNH, MNHN, MSL. Distribution and habitat. Distribution in Syria : Orontes, Quwayq, Euphrates and Tigris River basins.—Distribution in River Basin: 1-Dajleh & Khabour, 2-Euphrates & Aleppo .—General distribution: Asia Minor and Middle East: Asi Nehri (Orontes), Quwayq, Euphrates and Tigris River basins ( Turkey , Syria , Iraq , and Iran ).— Distribution in Ecoregion: 441-Lower Tigris & Euphrates, 442-Upper Tigris & Euphrates.—Habitat: This species lives in large to medium-sized rivers, lakes, and reservoirs. Freshwater. Economic importance. Locally consumed, but of no commercial importance. Conservation. Conservation status in Syria : Unknown.—IUCN: LC ( IUCN 2023 ).—Threats: There are many threats in the area, non seem to be serious enough to strongly impact this species.—Low sensitivity to human activities.—Not considered as a keystone species.—Decline status: Stable.—Low priority for conservation action.