6. Acipenser persicus Borodin, 1897

Common name. Persian sturgeon

Taxonomy. Original description: Acipenser persicus Borodin, 1897: 18, figs. [Ural River to Ural'sk, Kazakhstan; Kura River, Azerbijan; southern shore of Caspian Sea, Iran; Syntypes: (2 measured) none at ZIN] .

Revisions. Berg (1948: 81 as Acipenser güldenstädti persicus).

Illustrations. Kottelat & Freyhof (2007: 54).

Distribution in Iran. —Distribution in River Basin: Caspian Sea.—Distribution in Ecoregions: 434-Kura-South Caspian Drainages, 450-Turan Plain, 452-Caspian Marine.

Status in Iran. [Native].—Qara burun, Tas mahi-ye Irani.—Listed in previous checklists from Iran by Esmaeili et al. (2017 a, 2018); Jouladeh-Roudbar et al. (2020) and Eagderi et al. (2022).—Iran material: None.

Conservation. —IUCN: CR.