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Acipenser nudiventris  Lovetsky, 1828

Fringebarbel sturgeon
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Native range | All suitable habitat | Point map | Year 2100
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Acipenser nudiventris   AquaMaps   Data sources: GBIF OBIS
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Image of Acipenser nudiventris (Fringebarbel sturgeon)
Acipenser nudiventris
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China country information

Common names: ???, ???
Occurrence: introduced
Salinity: freshwater
Abundance: | Ref:
Importance: | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: no uses
Comments: Occurs in Yili river (Ref. 41093). Also Ref. 31517, 55380.
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: Walker, K.F. and H.Z. Yang, 1999
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Acipenseriformes (Sturgeons and paddlefishes) > Acipenseridae (Sturgeons) > Acipenserinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 200 cm TL male/unsexed; (Ref. 3397); common length : 132 cm TL male/unsexed; (Ref. 3397); max. published weight: 80.0 kg (Ref. 52332)

Length at first maturity
Lm ?  range ? - ? cm

Environment

Marine; freshwater; brackish; demersal; anadromous (Ref. 51243); depth range 30 - 60 m (Ref. 3397)

Climate / Range

Temperate; 10°C - 20°C (Ref. 2059); 57°N - 36°N, 14°E - 53°E

Distribution

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). International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 0; Dorsal soft rays (total): 45-57; Anal soft rays: 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.

Biology     Glossary (e.g. 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).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: commercial; aquaculture: commercial

More information

Age/Size
Growth
Length-weight
Length-length
Length-frequencies
Morphometrics
Morphology
Larvae
Larval dynamics
Recruitment
Abundance
References
Aquaculture
Aquaculture profile
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Genetics
Allele frequencies
Heritability
Diseases
Processing
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Ciguatera
Speed
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Gill area
Otoliths
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Tools

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Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
3.3   ±0.45 se; Based on food items.

Resilience (Ref. 69278)
Low, minimum population doubling time 4.5 - 14 years (K=0.04-0.12; tmax=30; Fec=165,000)

Vulnerability (Ref. 59153)
Very high vulnerability (85 of 100)
Price category (Ref. 80766)
Unknown