China country information

Common names: Amur sturgeon, 史氏鱘, 史氏鲟
Occurrence: native
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: commercial | Ref: Ma, X., X. Bangxi, W. Yindong and W. Mingxue, 2003
Regulations: protected | Ref: Wang, S. (ed.), 1998
Uses: no uses
Comments: Occurs in Heilongjiang River system (Ref. 44306). Also includes lower reaches of Songhuajiang and Wusuli Rivers (Ref. 45563). Stocks declining due to overfishing (Ref. 45563). A cultured fish, introduced from its native range to other regions in the country (extensive stocking in great inland waters) (Ref. 55380). Also Ref. 6376, 31517. Status of threat: Vulnerable (Ref. 45563).
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/ch.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Sun, D., Q. Qu, W. Wu, G. Ma and L. Qiu, 2000
National Database:

Common names from other countries

史氏鲟, Jeseter amurský, 史氏鲟, ... more

Classification / Names Populärnamn | synonymer | Catalog of Fishes(Släkte, Arter) | ITIS | CoL | WoRMS | Cloffa

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

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

marina; sötvatten; brackvatten bottenlevande; anadrom (Ref. 26364). Temperate; 10°C - 20°C (Ref. 2059)

Utbredning Länder | FAO områden | Ekosystem | Förekomster | Point map | Utplanteringar | Faunafri

Asia: Endemic to the Amur River system. Two morphs, brown and gray, represent the species in the Amur River basin. Occurrence in the Sea of Japan (Ref. 11102) needs confirmation.

Length at first maturity / Size / Vikt / Age

Maturity: L_m 108.8, range 96 - 125 cm
Max length : 300 cm TL hane/ej könsbestämd; (Ref. 40142); publicerad maxvikt: 190.0 kg (Ref. 40142); rapporterad maxålder: 65 år (Ref. 56448)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 38-53; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 20 - 32. Body shields in 5 rows; dorsal shields 11 to 15, lateral shields 32 to 47 and ventral 7 to 10.

Adults occur in stretches of rivers with sandy or stony bottom. Feed on benthic organisms. Highly prized fish (Ref. 41072).

Life cycle and mating behavior Könsmognad | Reproduktion | Lek | Ägg | Fecundity | Larver

The gray morph females in the Amur River reproduce at least every four years (Ref. 40142).

Main reference Upload your references | referenser | Koordinator | Medarbetare

IUCN, 1990. 1990 IUCN red list of threatened animals. IUCN, Gland, Switzerland and Cambridge, U.K. 288 p. (Ref. 3881)

IUCN Red List Status (Ref. 130435)

Critically Endangered (CR) (A2bd); Date assessed: 15 September 2019

CITES (Ref. 128078)

Appendix II: International trade monitored

CMS (Ref. 116361)

Appendix II: Migratory species conserved through agreements

Threat to humans

Harmless

Human uses

Fiskeri: kommersiell

FAO(fiskeri: species profile; publication : search) | FishSource |

Ytterligare information

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synonymer
Metabolik
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Age/Size
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Length-weight
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Check for Aquarium maintenance | Check for Species Fact Sheets | Check for Aquaculture Fact Sheets

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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=0.00269 (0.00167 - 0.00434), b=3.24 (3.11 - 3.37), in cm Total Length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).

Trofisk nivå (Ref. 69278): 3.3 ±0.1 se; based on diet studies.

Resiliens (Ref. 120179): Mycket låg, lägsta populationsfördubblingstid mer än 14 år (tm=8-14; Fec=29,000).

Fishing Vulnerability (Ref. 59153): Very high vulnerability (87 of 100).

Price category (Ref. 80766): Unknown.

Acipenser schrenckii Brandt, 1869