Gobies (Teleostei: Gobiidae) of the oldest and deepest Caspian Sea sub-basin: an evidence-based annotated checklist and a key for species identification Author Zarei, Fatah 0000-0001-5552-4301 Ichthyology and Molecular Systematics Research Laboratory, Zoology Section, Department of Biology, College of Sciences, Shiraz University, Shiraz, Iran. & fataahzarei @ gmail. com; https: // orcid. org / 0000 - 0001 - 5552 - 4301 fataahzarei@gmail.com Author Esmaeili, Hamid Reza 0000-0002-9736-397X Ichthyology and Molecular Systematics Research Laboratory, Zoology Section, Department of Biology, College of Sciences, Shiraz University, Shiraz, Iran. & hresmaeili @ shirazu. ac. ir; https: // orcid. org / 0000 - 0002 - 9736 - 397 X hresmaeili@shirazu.ac.ir Author Abbasi, Keyvan Inland Waters Aquaculture Research Center, Iranian Fisheries Sciences Research Institute, Agricultural Research, Education and Extension Organization, Bandar Anzali, Iran. Author Kovačić, Marcelo Natural History Museum Rijeka, Lorenzov prolaz 1, HR- 51000 Rijeka, Croatia. Author Schliewen, Ulrich K. 0000-0003-0187-4319 SNSB-Bavarian State Collection of Zoology, Department of Ichthyology, Münchhausenstr. 21, 81247 München, Germany. schliewen @ snsb. de; https: // orcid. org / 0000 - 0003 - 0187 - 4319 schliewen@snsb.de Author Stepien, Carol A. 0000-0002-5544-4333 National Museum of Natural History, Department of Vertebrate Zoology, Smithsonian Institution, Washington D. C, USA. StepienCA @ si. edu; https: // orcid. org / 0000 - 0002 - 5544 - 4333 text Zootaxa 2022 2022-09-28 5190 2 151 193 journal article 153839 10.11646/zootaxa.5190.2.1 60faa853-726d-4b71-a3cb-c21a0087515f 1175-5326 7120060 92BFDA7A-28C0-4816-8A91-CFB842C95E96 20. Benthophilus svetovidovi Pinchuk & Ragimov, 1979 , Svetovidov’s Tadpole Goby Benthophilus svetovidovi Pinchuk & Ragimov, 1979: 515 ; type locality: South Caspian Sea (?), depth 86 m ; holotype : ZIN 43672, female, 39 mm TL, paratypes : ZIN 43673 (1, lost). Etymology: Named after A. N. Svetovidov, Russian ichthyologist. Distribution and habitat: Known from along the eastern coast of Middle Caspian Sea and from off Ogurchinskiy Island (ZISP) in the northeastern South Caspian Sea ( Fig. 11A ). No records from Iran . Recorded from 30–200 m depths at 12–13.5 ‰ salinity ( Boldyrev & Bogutskaya 2007 ). IUCN: DD ( Bogutskaya 2020j ).