Critically Endangered
Siberian sturgeon
Acipenser baerii
Siberian sturgeon is a ray-finned fish in the family Acipenseridae (order Acipenseriformes) — Acipenser baerii, recorded as Critically Endangered.
Range and habitat
It is most present in all of the major Siberian river basins that drain northward into the Kara, Laptev and East Siberian Seas, among them the Ob, Yenisei (that drains Lake Baikal via the Angara River) Lena, and Kolyma Rivers. It was also found in Kazakhstan and China in the Irtysh River, a major tributary of the Ob, though wild populations are extirpated in China.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
In crisis
The species had been in steep decline in its natural range due to habitat loss, degradation, and poaching.
CITES lists this taxon on Appendix II. Confirm the current appendix on the CITES checklist.
Siberian sturgeon is Critically Endangered on this catalog because that is the IUCN category stored on Wikidata. Confirm the official criteria and any later count on iucnredlist.org.
Sources
Written for this catalog from the English Wikipedia article on Siberian sturgeon, Wikidata item Q756771. Family and order context is original field-guide writing about the group, not a copied assessment of this one species. Wikipedia text is CC BY-SA. Not an IUCN assessment. Counts, when quoted, can change — confirm them on the recovery programme and on iucnredlist.org.


