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Acipenser stellatus Pallas, 1771

Starry sturgeon
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Native range | All suitable habitat | Point map | Year 2050
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Acipenser stellatus   AquaMaps   Data sources: GBIF OBIS
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Image of Acipenser stellatus (Starry sturgeon)
Acipenser stellatus
Picture by Hartl, A.

Classification / Names Noms communs | Synonymes | Catalog of Fishes(Genre, Espèce) | ITIS | CoL | WoRMS | Cloffa

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

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

marin; eau douce; saumâtre démersal; anadrome (Ref. 51243); profondeur 10 - 100 m. Temperate; 10°C - 20°C (Ref. 2059); 61°N - 36°N, 13°E - 54°E

Distribution Pays | Zones FAO | Écosystèmes | Occurrences | Point map | Introductions | Faunafri

Eurasia: Caspian, Black, Azov and Aegean Seas, ascending rivers to spawn. Occurrence in Albania needs confirmation. Introduced in Aral Sea. Artificially propagated (Ref. 6866). Probably extirpated from Aegean Sea and related river basins (Ref. 113969).

Length at first maturity / Taille / Poids / Âge

Maturity: Lm ?, range 120 - ? cm
Max length : 250 cm TL mâle / non sexé; (Ref. 98365); common length : 125 cm TL mâle / non sexé; (Ref. 3397); poids max. publié: 80.0 kg (Ref. 9988); âge max. reporté: 29 années (Ref. 126409)

Description synthétique Clés d'identification | Morphologie | Morphométrie

Épines dorsales (Total) : 0; Rayons mous dorsaux (Total) : 40 - 46; Rayons mous anaux: 24 - 29. Snout long, pointed at tip. Lower lip not continuous, interrupted at center. Barbels short not reaching mouth but nearer to it than to tip of snout. Five rows of scutes, dorsal 11-14, lateral 30-36 on each side, ventral 10-11 on each side, with small bony stellate plates and smaller grains between main scute rows. Back dark grey to almost black, flanks lighter, belly white.

Biologie     Glossaire (ex. epibenthic)

At the sea, it occurs in coastal and estuarine zones and forages on the bottom mostly on clayey sand and intensively in the middle and upper water layers (Ref. 59043). Found mainly near shore over sand and mud, stays at the bottom during the day and rises to the surface to feed at night. Feeds mainly on fish, also mollusks, crustaceans and worms (Ref. 3193). Spawns in strong-current habitats in main course of large and deep rivers, on stone or gravel bottom. Spawning also takes place on flooded river banks and if gravel bottom is not available, on sand or sandy clay. Juveniles stay in shallow riverine habitats during first summer (Ref. 59043). One of the three most important species for caviar; also utilized fresh and frozen; eaten pan-fried, broiled and baked (Ref. 9988). Overfishing at the sea for meat and caviar will soon cause extinction of the natural populations and their survival can only depend on stocking (Ref. 59043).

Life cycle and mating behavior Maturities | Reproduction | Spawnings | Egg(s) | Fecundities | Larves

Référence principale Upload your references | Références | Coordinateur | Collaborateurs

Bauchot, M.-L., 1987. Poissons osseux. p. 891-1421. In W. Fischer, M.L. Bauchot and M. Schneider (eds.) Fiches FAO d'identification pour les besoins de la pêche. (rev. 1). Méditerranée et mer Noire. Zone de pêche 37. Vol. II. Commission des Communautés Européennes and FAO, Rome. (Ref. 3397)

Statut dans la liste rouge de l'IUCN (Ref. 130435)

  Niveau de menace critique (CR) (A2bcde); Date assessed: 14 September 2019

CITES


Menace pour l'homme

  Harmless





Utilisations par l'homme

Pêcheries: commercial; Aquaculture: commercial; Aquarium: Aquariums publics
FAO - Aquaculture systems: production; pêcheries: landings, Résumé espèce; Publication: search | FishSource | Sea Around Us

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Trophic ecology
Éléments du régime alimentaire
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Food rations
Prédateurs
Ecology
Écologie
Population dynamics
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Length-weight rel.
Length-length rel.
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Estimates based on models

Preferred temperature (Ref. 123201): 7.6 - 15.9, mean 13.1 °C (based on 66 cells).
Phylogenetic diversity index (Ref. 82804):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00562 (0.00341 - 0.00928), b=3.03 (2.89 - 3.17), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
Niveau trophique (Ref. 69278):  3.5   ±0.2 se; based on diet studies.
Résilience (Ref. 120179):  Faible, temps minimum de doublement de population : 4,5 à 14 années (K=0.06; tm=9; tmax=27; Fec=20,000-360,000).
Fishing Vulnerability (Ref. 59153):  Very high vulnerability (85 of 100).
Climate Vulnerability (Ref. 125649):  Moderate to high vulnerability (51 of 100).
Catégorie de prix (Ref. 80766):   Unknown.
Nutrients (Ref. 124155):  Calcium = 16.8 [10.4, 28.3] mg/100g; Iron = 0.271 [0.168, 0.429] mg/100g; Protein = 17.8 [15.3, 20.4] %; Omega3 = 0.385 [0.222, 0.665] g/100g; Selenium = 23.5 [13.0, 45.4] μg/100g; VitaminA = 4.05 [1.55, 10.74] μg/100g; Zinc = 0.409 [0.299, 0.552] mg/100g (wet weight);