Revision of the genus Seminemacheilus, with the description of three new species (Teleostei: Nemacheilidae) Author Yoğurtçuoğlu, Baran Hacettepe University, Faculty of Science, Biology Department, Beytepe Campus, 06800 Ankara, Turkey. Author Kaya, Cüneyt Recep Tayyip Erdogan University, Faculty of Fisheries and Aquatic Sciences, 53100 Rize, Turkey. Author Geiger, Matthias F. Zoological Research Museum Alexander Koenig, Leibniz Institute for Animal Biodiversity, Adenauerallee 160, 53113 Bonn, Germany. m. geiger @ leibniz-zfmk. de, https: // orcid. org / 0000 - 0003 - 2403 - 0805 Author Freyhof, Jörg Museum für Naturkunde, Leibniz Institute for Evolution and Biodiversity Science, 10115 Berlin, Germany. joerg. freyhof @ mfn. berlin, https: // orcid. org / 0000 - 0002 - 6762 - 8615 text Zootaxa 2020 2020-06-24 4802 3 477 501 journal article 10.11646/zootaxa.4802.3.5 1175-5326 3907717 CEAB7B85-E24D-4E30-B501-1302005C6D0C Key to species of Seminemacheilus 1a A few deeply embedded scales on caudal peduncle; caudal-peduncle depth 1.3–1.6 times in its length; head length 21–24% SL....................................................................................... S. ispartensis 1b Body scaleless; caudal-peduncle depth 0.9–1.3 times in its length; head length 24–28% SL........................... 2 2a Caudal fin usually slightly emarginate; marbled flank pattern; one central pore in supratemporal head canal...... S. attalicus 2b Caudal fin truncate or roundish; flank pattern mottled, vermiculated or with large isolated blotches; no central pore in supratemporal head canal................................................................................... 3 3a Belly usually with many small black or brown blotches; posterior naris reaching to anterior eye margin when folded backward......................................................................................... S. ahmeti 3b Belly plain white or yellowish without small black or brown blotches; posterior naris not reaching to anterior eye margin when folded backward...................................................................................... 4 4a Caudal fin roundish; caudal-peduncle depth 0.9–1.1 times in its length.................................. S. ekmekciae 4b Caudal fin truncate; caudal-peduncle depth 1.1–1.6 times in its length............................................ 5 5a 5–7 supraorbital head pores; eye diameter 13–14% HL; snout length 38–40% HL; prepelvic length 57–59% SL.... S. lendlii 5b 2–5 (6) supraorbital pores; eye diameter 14–17% HL; snout length 35–37% HL; prepelvic length 53–56% SL....... S. tubae