160. Rhodeus caspius Esmaeili, Sayyadzadeh, Japoshvili, Eagderi, Abbasi & Mousavi-Sabet, 2020

Common name. Caspian bitterling

Taxonomy. Original description: Rhodeus caspius Esmaeili, Sayyadzadeh, Japoshvili, Eagderi, Abbasi & Mousavi-Sabet, 2020: 322, figs. 2-11 [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] .

Revisions. Akai & Arai (1998: 105).

Illustrations. Esmaeili et al. (2020: 322, fig. 2).

Distribution in Iran. —Distribution in River Basin: Caspian Sea, Lake Orumiyeh, Tigris.—Distribution in Ecoregions: 434-Kura-South Caspian Drainages, 442-Upper Tigris & Euphrates, 445-Orumiyeh, 450-Turan Plain.

Status in Iran. [Endemic].—Makhraj loleyi-e Parsi.—Recorded from Iran in the original description by Esmaeili et al. (2020); listed in previous checklists from Iran by Eagderi et al. (2022).—Iran material: ZM-CBSU.

Conservation. —IUCN: NE.

Remarks. Translocated to the Tigris River drainage and Urmia Lake basin.