gymnostethus, Gobio gobio Ladiges [W.] 1960:137, Fig. 9 [Mitteilungen aus dem Hamburgischen Zoologischen Museum und Institut v. 58; ref. 9361] Kizilcak creek, Nigde, Turkey. Holotype: ZMH H1131. Paratypes: ZMH H1154 (1). Type catalog: Wilkens 1977:157 [ref. 22013]. Apparently ZMH H1131 and 1154 are now ZMH 3735 and 3736 -- see Naseka et al. 2006:189 [ref. 28984]. •Synonym of Gobio gobio (Linnaeus 1758) -- (Kottelat 1997:61 [ref. 22952]). •Valid as Gobio gymnostethus Ladiges 1960 -- (Naseka et al. 2006:188 [ref. 28984], Turan et al. 2012:56 [ref. 31870], Çiçek et al. 2015:145 [ref. 35151], Turan et al. 2016:9 [ref. 34433], Turan et al. 2017:285 [ref. 35675], Çiçek et al. 2018:6 [ref. 36267], Turan et al. 2018:372 [ref. 36211], Çiçek et al. 2020:249 [ref. 37644], Kelleci et al. 2021:282 [ref. 38359], Çiçek et al. 2023:378 [ref. 40625], Çiçek et al. 2023:152 [ref. 40728], Çiçek et al. 2024:189 [ref. 40789]). Current status: Valid as Gobio gymnostethus Ladiges 1960. Gobionidae. Distribution: Asia Minor: eastern Tuz Gölü basin (Turkey). Habitat: freshwater.