transsilvaniae, Cottus Freyhof [J.], Kottelat [M.] & Nolte [A.] 2005:157, Figs. 28-29 [Ichthyological Exploration of Freshwaters v. 16 (no. 2); ref. 28259] River Bratia at bridge on road 73c, about 20 kilometers southwest of village Cimpulung, 45°13'N, 24°47'E, Romania. Holotype: ZMB 33596. Paratypes: FSFJ 686 (8). •Valid as Cottus transsilvaniae Freyhof, Kottelat & Nolte 2005 -- (Kottelat & Freyhof 2007:518 [ref. 29996], Sideleva 2009:211 [ref. 30173], Goto et al. 2014:[11] [ref. 33456], Sideleva et al. 2015:33 [ref. 35276], Sideleva et al. 2018:9 [ref. 36393], Iftime & Oţel 2025:38 [ref. 42600]). Current status: Valid as Cottus transsilvaniae Freyhof, Kottelat & Nolte 2005. Cottidae. Distribution: Eastern Europe: upper Arges River drainage (Romania). IUCN (2024): Endangered. Habitat: freshwater.