Acipenser persicus Borodin, 1897 – Native (Fig. 20) Acipenser persicus, Borodin [N. A.] 1897: 18; Type locality: Ural River to Ural’sk, Kazakhstan; Kura River, Azerbijan; southern shore of Caspian Sea, Iran. Syntypes: (2 measured) none at ZIN. Acipenser gueldenstadti var. colchica Marti [V. J.] 1940: 869; Type locality: Southeastern part of Black Sea near mouth of Rioni and Inguri rivers, Georgia, Eurasia. Syntypes: (many). Common name: Pr: Qara burun or Gareburun, Darakul, Tirij, Tasmahi-ye Irani, Mahi-ye kaviar, En: Persian sturgeon. Diagnosis: Elongated, massive and downward curved snout. The belly is white and the back grey-blue. Also, see A. gueldenstaedtii. Meristic characters: According to Holcik (1986) D: 27–51, A: 16–35, GR: 15–36, DS: 7–19, LSC: 23– 50, VS: 7–13. According to Berg (1949) D: 30–49, A: 18–32, DS: 5–13, LSC: 21–42, VS: 7–14. Distribution: Caspian Sea basin (Fig. 21). See Acipenser gueldenstaedtii. Taxonomy. Conservation: IUCN: Critically Endangered A2cde (Gesner et al. 2010b).

Published as part of Jouladeh-Roudbar, Arash, Ghanavi, Hamid Reza & Doadrio, Ignacio, 2020, Ichthyofauna From Iranian Freshwater: Annotated Checklist, Diagnosis, Taxonomy, Distribution and Conservation Assessment, pp. 1-14 in Zoological Studies 59 (21) on page 16, DOI: 10.6620/ZS.2020.59-21, http://zenodo.org/record/12822787