volgensis, Perca Gmelin [J. F.] 1789:1309 [Caroli a Linné ... Systema Naturae per regna tria naturae v. 1 (pt 3); ref. 18139] Volga River and Rhymus [Ural] River, Russia. No types known. Based on Perca asper of Pallas. •Valid as Lucioperca volgensis (Gmelin 1789) -- (Berg 1949:1028 [ref. 20662]). •Valid as Stizostedion volgense (Gmelin 1789) -- (Collette & Bănărescu 1977:1457 [ref. 5845] with authorship as Pallas, Lelek 1987:297 [ref. 22962], Mitrofanov & Dukravec 1989:265 [ref. 37748] as volgensis, Reshetnikov et al. 1997:750 [ref. 24702] with Cuvier 1828 as author, Popova 1998:120 [ref. 23588]). •Valid as Sander volgensis (Gmelin 1789) -- (Kottelat 1997:173 [ref. 22952], Bogutskaya et al. 2001:47 [ref. 26178], Hanel 2003:63 [ref. 27894], Bogutskaya & Naseka 2004:207 [ref. 28183], Vassilev & Pehlivanov 2005:178 [ref. 28369], Hanel & Lusk 2005:353 [ref. 28804], Kottelat & Freyhof 2007:535 [ref. 29996], Çiçek et al. 2015:151 [ref. 35151], Ćaleta et al. 2019:189 [ref. 37026], Dyldin et al. 2020:106 [ref. 37569], Pozdeev et al. 2022:6 [ref. 39511], Nagy et al. 2023:358 [ref. 40348]). Current status: Valid as Sander volgensis (Gmelin 1789). Percidae: Luciopercinae. Distribution: Eastern Europe: Ponto-Caspian seas; introduced elsewhere. Habitat: freshwater, brackish.