Green sturgeon (Acipenser medirostris)

Scientific name: Acipenser medirostris Ayres, 1854

Green sturgeon (Acipenser medirostris)

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

Green sturgeon care at a glance

Temperature
10–20°C (50–68°F)

Biology

Found in estuaries, lower reaches of large rivers, and in salt or brackish water off river mouths. Probably spawns in fresh water. May cover considerable distances in the ocean. Edible but with a disagreeable taste and unpleasant odor.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Acipenser medirostris
Family
Acipenseridae (Sturgeons)
Order
Acipenseriformes (Sturgeons and Paddlefishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
250
Common length
130
Depth range
0–80 m (0–262 ft)
Environment
Marine; freshwater; brackish; demersal; anadromous; depth range 0 - 80 m
Climate
Temperate
Distribution
North America: Aleutian Islands and the Gulf of Alaska to Ensenada, Mexico. Considered vulnerable in Canada. The Asian population is now considered to be a separate species Acipenser mikadoi. International trade restricted (CITES II, since 1.4.98; CMS Appendix II).
Conservation status (IUCN)
Near Threatened (NT)
Threat to humans
Harmless
Uses
Fisheries: minor commercial; gamefish: yes
Resilience
Low, minimum population doubling time 4.5 - 14 years (K=0.05-0.09)

Sources

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

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