transgrediens, Turkichthys Ermin [R.] 1946:244, Figs. 38-45 [Revue de la Faculté des Sciences de l'Université d'Instanbul, Série B: Sciences Naturelles v. 11 (no. 4); ref. 19978] Stream, fed by the Acipinar spring at the west end of Lake Aci, Denizli District (37°49'N, 29°43'E), Turkey. Also appeared as new in Akşiray 1948:288 [ref. 13036] as Anatolichthys transgrediens. •Valid as Lebias transgrediens (Ermin 1946) -- (Lazara 2001:190 [ref. 25711], Getahun & Lazara 2001:152 [ref. 25127]). •Valid as Kosswigichthys transgrediens (Ermin 1946) -- (Parenti 1981:516 [ref. 7066]). •Synonym of Aphanius anatoliae (Leidenfrost 1912), but a valid subspecies -- (Wildekamp 1993:32 [ref. 26378], Seegers 1997:16 [ref. 23895], Wildekamp et al. 1999:30 [ref. 26561], Hrbek & Wildekamp 2003:140 [ref. 26764] as trangrediens). •Valid as Aphanius transgrediens (Ermin 1946) -- (Fricke et al. 2007:72 [ref. 29533], Pfleiderer et al. 2014:580 [ref. 33587], Çiçek et al. 2015:151 [ref. 35151], Freyhof et al. 2017:583 [ref. 35477], Çiçek et al. 2018:24 [ref. 36267], Esmaeili et al. 2018:9 [ref. 36738], Yoğurtçuoğlu & Freyhof 2018:320 [ref. 35893], Çiçek et al. 2020:258 [ref. 37644], Kärst et al. 2020:84 [ref. 38165]). •Valid as Anatolichthys transgrediens (Ermin 1946) -- (Freyhof & Yoğurtçuoğlu 2020:428 [ref. 37656], Çiçek et al. 2023:441 [ref. 40625], Çiçek et al. 2024:348 [ref. 40789]). Current status: Valid as Anatolichthys transgrediens (Ermin 1946). Aphaniidae. Distribution: Asia Minor: Acιgöl tributary, Denizli Province (Turkey). Habitat: freshwater.