Fringebarbel sturgeon (Acipenser nudiventris)

Scientific name: Acipenser nudiventris Lovetsky, 1828

Fringebarbel sturgeon (Acipenser nudiventris)

The Fringebarbel sturgeon (Acipenser nudiventris) is a freshwater fish of the family Acipenseridae. In the aquarium it needs water at 10–20°C (50–68°F).

Fringebarbel sturgeon care at a glance

Temperature
10–20°C (50–68°F)

Biology

Occurs in the sea close to shores and estuaries and in deep stretches of large rivers. Juveniles live in shallow riverine habitats. Found over mud and usually solitary. Feeds on mollusks, amphipods and chironomid larvae. Spawns from end of April to June (end of May in Rioni River, Black Sea). Spawning takes place in strong-current habitats in main course of large and deep rivers on stone or gravel bottom.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Acipenser nudiventris
Family
Acipenseridae (Sturgeons)
Order
Acipenseriformes (Sturgeons and Paddlefishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
200
Common length
132
Depth range
30–60 m (98–197 ft)
Environment
Marine; freshwater; brackish; demersal; anadromous; depth range 30 - 60 m
Climate
Temperate
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. Artificially propagated. International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
Conservation status (IUCN)
Critically Endangered (CR) (A2cde)
Threat to humans
Harmless
Uses
Fisheries: commercial; aquaculture: commercial
Resilience
Low, minimum population doubling time 4.5 - 14 years (K=0.04-0.12; tmax=30; Fec=165,000)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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