Fig. 4 in Fig. 4 in Fig. 3 in Fig. 21. Sesarmops mora n in Paralbunea dayriti Author Jouladeh-Roudbar, Arash Department of Fisheries, Faculty of Natural Resources, University of Tehran, Karaj, Alborz, Iran. E-mail: jouladehroudbar @ ut. ac. ir jouladehroudbar@ut.ac.ir Author Ghanavi, Hamid Reza Department of Biology, Lund University, Lund, Sweden. * Correspondence: E-mail: hamid. ghanavi @ gmail. com (Ghanavi) hamid.ghanavi@gmail.com Author Doadrio, Ignacio Biodiversity and Evolutionary Biology Department, Museo Nacional de Ciencias Naturales-CSIC, Madrid, Spain. E-mail: doadrio @ mncn. csic. es doadrio@mncn.csic.es text Zoological Studies 2020 2020-06-29 59 21 1 303 http://dx.doi.org/10.5281/zenodo.12822535 journal article 10.6620/ZS.2020.59-21 1810-522X Ponticola syrman (Nordmann, 1840) – Native ( Fig. 450 ) Gobius syrman Nordmann [A. von] 1840: 419; Type locality: Odessa , Ukraine ; Kryni, Ukraine . Syntypes :?BMNH 1872.5.30.35 (1) Odessa ; MNHN A–1126 (1) Odessa , NMW 30099 (1). Gobius trautvetteri Kessler [K. F.] 1859: 244; Type locality: Lower Bug River and lower Dniester River, Ukraine . Syntypes : NMW 30125 (1),?30127 (1); none at ZIN. Gobius eurystomus Kessler [K. F.] 1877: 22; Type locality: Southern Caspian Sea, 40°07'N , 0°05'E , depth 56–105 feet [8–15 Russian fathoms]. Syntypes : (20) BMNH 1897.7.5.8–9 (2); ZIN 10904– 05 (1, 2);?NMW 29176 (1). Common name : Pr: Gav mahi Syrman, En : Caspian syrman goby. D i a g n o s i s : D i s t i n g u i s h e d b y 3 t r a n s v e r s e suborbital neuromasts rows occur ventral to the longitudinal suborbital row b while all other Neogobius have typically 2 rows. Pelvic fin anterior membrane with rounded and shallow lateral lobes, lobes not more than one-sixth width of anterior edge of membrane, or lacking entirely. Pelvic fin disc 75% distance to anal fin origin. Nape covered by ctenoid scales. The lack of dark spot on D 1 , lateral series scales usually 55–70 and angle of jaw below pupil of eye. Meristic characters : D 1 : VI, D 2 : I 15–19 (16–18), A: I 10–15 (12–14), P: 17–21, LS: 56–79, TV: 34–35. Distribution : Caspian Sea basin ( Fig. 451 ). Reported from the southeast, the southwest and the south central of Caspian Sea. Taxonomy . Conservation : IUCN: Least Concern (Freyhof and Kottelat 2008ac).