Acipenser nudiventris, Fringebarbel sturgeon : fisheries, aquaculture

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Acipenser nudiventris Lovetsky 1828

Fringebarbel sturgeon
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Native range | All suitable habitat | Point map | Year 2100
This map was computer-generated and has not yet been reviewed.
Acipenser nudiventris   AquaMaps   Data sources: GBIF OBIS
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Image of Acipenser nudiventris (Fringebarbel sturgeon)
Acipenser nudiventris
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分類 / Names 共通名の | 類義語 | Catalog of Fishes (gen., sp.) | 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 生態学

; 海; 新鮮な水; 汽水性の 底生の; 昇流魚 (Ref. 51243); 深さの範囲 30 - 60 m (Ref. 3397).   Temperate; 10°C - 20°C (Ref. 2059); 57°N - 36°N, 14°E - 53°E

分布 国々 | 国連食糧農業機関の区域 | エコシステム | 事件 | Point map | 導入 | Faunafri

Europe: Black, Azov, Caspian and Aral Sea, ascending some rivers (Danube up to Bratislava, Volga up to Kazan, Ural up to Chkalov), unknown or very rare in others. On the verge of extinction in its natural range.

Extirpated in Aral basin; nearly extirpated in Black Sea basin; only occasional records from Danube and lower Volga; only a very small population remaining in Rivers Ural (Russia, Kazakhstan) and Rioni (Georgia); no natural spawning population in Iran; established in Lake Balkhash where it forms a large population (Ref. 59043). Artificially propagated (Ref. 6866).

Length at first maturity / サイズ / 重さ / 年齢

Maturity: Lm ?  range ? - ? cm
Max length : 211 cm TL オス/雌雄の選別がない; (Ref. 98365); common length : 132 cm TL オス/雌雄の選別がない; (Ref. 3397); 最大公表体重: 80.0 kg (Ref. 52332)

簡単な記述 形態学 | 形態計測学

背面の脊椎 (合計): 0; 背鰭 (合計): 45-57; 臀鰭: 23 - 37. Snout moderately long and pointed at tip. Lower lip continuous, not interrupted at centre. Barbels halfway between tip of snout and mouth, reaching the latter. Five rows of scutes, dorsal 11-17, lateral 49-70, but usually 55-56 on each side, ventral 10-16, with no smaller plates between dorsal and ventral rows. Color of back grey, flanks lighter, belly white.

生物学     用語集 (例 epibenthic)

Adults occur in the sea close to shores and estuaries and in deep stretches of large rivers over muddy substrate. Are usually solitary. Juveniles live in shallow riverine habitats (Ref. 59043). Feed on mollusks, amphipods and chironomid larvae. Spawning takes place in strong-current habitats in main course of large and deep rivers on stone or gravel bottom (Ref. 59043) from end of April to June (end of May in Rioni River, Black Sea) (Ref. 3193).

Life cycle and mating behavior 成熟 | 繁殖 | 放精 | | 生産力 | 幼生

Most juveniles move to sea in their first summer and remain there until they reach maturity. Others remain for a longer period. In autumn, individuals migrate to the rivers and remain there until the following spring to spawn (Ref. 59043). Females reproduce every 2-3 and males every 1-2 years (Ref. 59043).

主な参考文献 Upload your references | 参考文献 | コーディネーター | 協力者

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)

IUCNのレッドリストの状況は (Ref. 123251)

  絶滅寸前の危機的状況 (CR) (A2cde); Date assessed: 24 October 2009

CITES (Ref. 123416)


人間に対する脅威

  Harmless





Human uses

水産業: 商業; 水産養殖: 商業
FAO(水産業: 代謝, 種の外形; publication : search) | FishSource |

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インターネットの情報源

Estimates based on models

Preferred temperature (Ref. 115969): 7.7 - 11.1, mean 10.4 °C (based on 9 cells).
Phylogenetic diversity index (Ref. 82805):  PD50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.00575 (0.00358 - 0.00924), b=3.18 (3.05 - 3.31), in cm total length, based on LWR estimates for this species & Genus-body shape (Ref. 93245).
栄養段階 (Ref. 69278):  3.3   ±0.45 se; based on food items.
回復力 (Ref. 120179):  低い, 4.5年~14年の倍増期間の最小個体群 (K=0.04-0.12; tmax=30; Fec=165,000).
弱み (Ref. 59153):  Very high vulnerability (85 of 100) .
価格帯 (Ref. 80766):   Unknown.