21. Alosa volgensis (Berg, 1913)

Common name. Volga shad

Taxonomy. Original description: Clupeonella caspia volgensis Berg (ex Meissner) 1913: 34, pl. 5. [Podovskaya tonya near Cherny Yar, mouth of Volga River, Russia. Lectotype: ZIN 15926] .

Revisions. Whitehead (1985: 201 as Alosa kessleri volgensis).

Illustrations. Kottelat & Freyhof (2007: 74, fig.).

Distribution in Iran. —Distribution in River Basin: Caspian Sea.—Distribution in Ecoregions: 452-Caspian Marine.

Status in Iran. [Native].—Shagmahi-ye Volga.—Presence in Iranian waters needs confirmation by specimens (Esmaeili et al. 2017, 2018; Eagderi et al. 2022).—Iran material: None.

Conservation. —IUCN: EN.