Siberian sturgeon (Acipenser baerii baerii)

Scientific name: Acipenser baerii baerii Brandt, 1869

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

Siberian sturgeon care at a glance

Temperature: 10–20°C (50–68°F)

Biology

Inhabits deep parts of large rivers, with moderate to swift current. Adults live essentially in freshwater although some fish frequently occur in estuaries. Males are sexually mature between 9-15 years; females between 16-20 years. Spawns in main river channel over stone-gravel or gravel-sand bottom and with strong current.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name: Acipenser baerii baerii
Family: Acipenseridae (Sturgeons)
Order: Acipenseriformes (Sturgeons and Paddlefishes)
Class: Actinopterygii (Ray-finned fishes)
Maximum length: 200
Depth range: 1 m (3 ft)
Environment: Marine; freshwater; brackish;; pH range: 7.0 - 7.5; dH range: ? - 20 demersal; anadromous; depth range 1 - ? m
Climate: Temperate
Distribution: Asia: Siberia, rivers Ob, Irtysh, Yenisei, Lena, Kolyma. Some non-migratory populations exist in the Irtysh River system. International trade restricted (CITES Appendix II, since 1.4.1998).
Threat to humans: Harmless
Uses: Fisheries: highly commercial; aquaculture: commercial; aquarium: public aquariums
Resilience: Very Low, minimum population doubling time more than 14 years (tm=11-17; tmax=60)