Acipenser dabryanus, Yangtze sturgeon : fisheries

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Acipenser dabryanus Duméril, 1869

Yangtze sturgeon
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Acipenser dabryanus
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Classification / Names Populärnamn | synonymer | Catalog of Fishes (gen., sp.) | ITIS | CoL | WoRMS | Cloffa

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

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

; stvatten bottenlevande; anadrom (Ref. 51243), usually 8 - 10 m (Ref. 93286).   Temperate

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

Asia: China in Yangtze River system (Ref. 4537) and Korea (Ref. 12218). Endangered, close to extinction (Ref. 6866). International trade restricted (CITES II, since 1.4.98).

Length at first maturity / Size / Vikt / Age

Maturity: Lm 106.0  range ? - ? cm
Max length : 250 cm TL hane/ej könsbestämd; (Ref. 38401); common length : 31.8 cm SL hane/ej könsbestämd; (Ref. 35840)

Short description Morfologi | Morfometri

Taggstrålar i ryggfenan (totalt): 0; Mjukstrålar i ryggfenan (totalt): 40-49; Taggstrålar i analfenan 0; Mjukstrålar i analfenan: 27 - 30. Snout short and pointed; lips with small papilla; barbels 2 pairs and situated in belly of snout; body covered with 5 rows of ganoid scales and skin between scales rough (Ref. 45563).

Biologi     Ordlista (t.ex. epibenthic)

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

Main reference Upload your references | referenser | Koordinator | Medarbetare

Birstein, V.J., 1993. Sturgeons and paddlefishes: threatened fishes in need of conservation. Conserv. Biol. 7:773-787. (Ref. 6866)

IUCN Red List Status (Ref. 123251)

  Critically Endangered (CR) (A2bcd); Date assessed: 23 October 2009

CITES (Ref. 118484)


CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

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

Ytterligare information

Länder
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synonymer
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Estimates based on models

Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00316 (0.00141 - 0.00709), b=3.17 (2.99 - 3.35), in cm total length, based on LWR estimates for this Genus-body shape (Ref. 93245).
Trofisk nivå (Ref. 69278):  2.0   ±0.00 se; based on food items.
Resiliens (Ref. 120179):  Mycket låg, lägsta populationsfördubblingstid mer än 14 år (Preliminary K or Fecundity.).
Vulnerability (Ref. 59153):  Very high vulnerability (86 of 100) .
Price category (Ref. 80766):   Unknown.