Dwarf sturgeon (Pseudoscaphirhynchus hermanni)

Scientific name: Pseudoscaphirhynchus hermanni Kessler, 1877

Dwarf sturgeon (Pseudoscaphirhynchus hermanni)

The Dwarf sturgeon (Pseudoscaphirhynchus hermanni) is a freshwater fish of the family Acipenseridae.

Biology

A rare and endangered species; smallest sturgeon; sensitive to chemicals in the water ).

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Pseudoscaphirhynchus hermanni
Family
Acipenseridae (Sturgeons)
Order
Acipenseriformes (Sturgeons and Paddlefishes)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
27.5
Environment
Freshwater; brackish; demersal; potamodromous
Climate
Temperate
Distribution
Former USSR and Asia: Endemic to the basin of Amu Dariya and Sir Dariya rivers. Considered endangered or extinct by authors. Registered in the International trade restricted (CITES II, since 1.4.98; CMS Appendix II); 1984 USSR Red Book; 1985 Turkmen SSR Red Data Book; 1996 IUCN Red List; and, 1997 CITES Lists.
Conservation status (IUCN)
Critically Endangered (CR) (A2c)
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (tmax=6)

Sources

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

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