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Chondrostei (sturgeons) > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Etymology: Acipenser: Latin, acipenser = sturgeon, 1853 (Ref. 45335).
More on author: Borodin.

Issue
Acipenser colchicus was described as a subspecies of A. gueldenstaedti, then considered as a subspecies of A. persicus, and is now recognized as a species by some works. On the other end, other works suggest that A. persicus, which is similar to A. gueldenstaedti, is a synonym of the latter. We will wait that the taxonomoic situation gets more clarity before changing the list of valid species, which follows the World Sturgeon Conservation Society one. Check ECoF, IUCN and FAO for more details. Anyway in FishBase, it is possible to retrieve the information under the name that was used as valid in each publication.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; freshwater; brackish; demersal; anadromous (Ref. 58888). Temperate; 52°N - 36°N, 38°E - 54°E

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Eurasia: Caspian basin, most abundant in the southern part (Ref. 59043). Also distributed along the eastern Black Sea (Ref. 58888).

Length at first maturity / Size / Weight / Age

Maturity: L_m 137.0 range ? - ? cm
Max length : 255 cm TL male/unsexed; (Ref. 98365); max. published weight: 70.0 kg (Ref. 58888)

Anadromous. Inhabits coastal and estuarine zones at the sea. Breeds in strong-current habitats in main course of large and deep rivers on stone or gavel bottom. Juvenile stay in riverine habitats during their first summer (Ref. 59043). Adults migrating to breed take the path of short, fast flowing mountain rivers (Ref. 33773). Maximum reported length for female is 176.1 cm TL(Ref. 58888).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator | Collaborators

Kottelat, M. and J. Freyhof, 2007. Handbook of European freshwater fishes. Publications Kottelat, Cornol and Freyhof, Berlin. 646 pp. (Ref. 59043)

IUCN Red List Status (Ref. 130435: Version 2024-1)

Critically Endangered (CR) (A2cde; C2a(ii)); Date assessed: 15 September 2019

CITES

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Threat to humans

Harmless

Human uses

Fisheries: commercial

FAO - Publication: search | FishSource |

More information

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.00389 (0.00219 - 0.00690), b=3.14 (2.99 - 3.29), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trophic level (Ref. 69278): 3.7 ±0.59 se; based on food items.

Generation time: 18.9 ( na - na) years. Estimated as median ln(3)/K based on 1 growth studies.

Resilience (Ref. 120179): Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (85 of 100).

Price category (Ref. 80766): Unknown.

Acipenser persicus Borodin, 1897