schischkovi, Chalcalburnus chalcoides Drensky [P.] 1943:353, Figs. 1 [Godisnik na Sofijskija Universitet = Annuaire de l'Université de Sofia, Fiziko-Matematiceski Fakultet = Faculté des Sciences Physiques et Mathématiques, Sofija v. 39 (no. 3) (for 1942-1943); ref. 21756] Mouth of rivers Resowska [Rezovska] and Weleka [Veleka], Bulgaria. Syntypes: whereabouts unknown. •Synonym of Chalcalburnus chalcoides (Güldenstädt 1772), but a valid subspecies as described -- (Berg 1949:738 [ref. 20661], Michajlova 1989:25 [ref. 20062] as chichkovi, Vassilev & Pehlivanov 2005:168 [ref. 28369] as chichkovi). •Synonym of Chalcalburnus chalcoides (Güldenstädt 1772) -- (Kottelat 1997:53 [ref. 22952]). •Synonym of Alburnus chalcoides (Güldenstädt 1772) -- (Bogutskaya 1997:165 [ref. 23566]). •Synonym of Alburnus mento (Heckel 1836) -- (Parin et al. 2014:68 [ref. 33547] dated 1837). •Synonym of Alburnus taeniatus Kessler 1874 -- (Çiçek et al. 2024:223 [ref. 40789]). •Valid as Alburnus schischkovi (Drensky 1943) -- (Freyhof & Kottelat 2007:205 [ref. 29339], Kottelat & Freyhof 2007:172 [ref. 29996], Çiçek et al. 2015:146 [ref. 35151], Bogutskaya et al. 2017:99 [ref. 35513], Freyhof et al. 2018:130 [ref. 35889], Çiçek et al. 2020:251 [ref. 37644], Çiçek et al. 2023:393 [ref. 40625], Çiçek et al. 2024:221 [ref. 40789]). Current status: Valid as Alburnus schischkovi (Drensky 1943). Leuciscidae: Leuciscinae. Distribution: Eurasia: Black Sea basin (Turkey and Bulgaria). Habitat: freshwater.