caspius, Rhodeus Esmaeili [H. R.], Sayyadzadeh [G.], Japoshvili [B.], Eagderi [S.], Abbasi [K.] & Mousavi-Sabet [H.] 2020:322, Figs. 2-11 [Zootaxa 4851 (no. 2); ref. 37759] Anzali Lagoon drainage of the Shakhraz (= Shakhazar or Siahdarvishan) River, Caspian Sea basin, Tolamshahr, Guilan province, Iran, 37°16'3.98"N, 49°21'53.82"E. Holotype: ZM-CBSU H1005. Paratypes: VMFC, ZM-CBSU. Plus additional non-type material. •Valid as Rhodeus caspius Esmaeili, Sayyadzadeh, Japoshvili, Eagderi, Abbasi & Mousavi-Sabet 2020 -- (Çiçek et al. 2024:186 [ref. 40789]). Current status: Valid as Rhodeus caspius Esmaeili, Sayyadzadeh, Japoshvili, Eagderi, Abbasi & Mousavi-Sabet 2020. Acheilognathidae. Distribution: Middle East: southern Caspian Sea basin (Iran). Translocated to the Tigris River drainage and Urmia Lake basin. Habitat: freshwater.