Creatures in Crisis
Photograph of Dwarf sturgeon (Pseudoscaphirhynchus hermanni), recorded as Critically Endangered
Dwarf sturgeon (Pseudoscaphirhynchus hermanni). Image via Wikimedia Commons.

Critically Endangered

Dwarf sturgeon

Pseudoscaphirhynchus hermanni

Dwarf sturgeon is a ray-finned fish in the family Acipenseridae (order Acipenseriformes) — Pseudoscaphirhynchus hermanni, recorded as Critically Endangered.

Status
Critically Endangered
Scientific name
Pseudoscaphirhynchus hermanni
CITES
Appendix II
Taxonomy
Acipenseriformes · Acipenseridae · Pseudoscaphirhynchus

The ray-finned fish

Dwarf sturgeon has been recorded reaching a maximum length of 27 centimeters or 10.63 inches. The maximum reported weight of this species is 51 grams or 0.11 pounds.

Range and habitat

Dwarf sturgeon is endemic to the Amu Darya river basin in Turkmenistan and Uzbekistan, and might also occur in Tajikistan. It formerly occurred up to the Aral Sea. It is found in Turkmenistan, Uzbekistan and probably in Tajikistan.

Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.

Diet

Dwarf sturgeon has a diet of small aquatic invertebrates.

In crisis

Dwarf sturgeon population is recorded to be a rare species. The population trend of this species is decreasing. Dwarf sturgeon is being negatively affected due to dams, poaching, water extraction, irrigation, and high levels of water pollution among them mineral fertilizers, pesticides for cotton agriculture, and drainage waste.

More survey work on this species is needed to determine the status of their population. Overall this species is recorded to be a critically endangered species.

CITES lists this taxon on Appendix II. Confirm the current appendix on the CITES checklist.

Dwarf 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 Dwarf sturgeon, Wikidata item Q1573343. 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.

Photograph via Wikimedia Commons. Wikipedia · Wikidata · IUCN Red List.

Same genus

Photograph of Amu Darya sturgeon (Pseudoscaphirhynchus kaufmanni), recorded as Critically EndangeredCR

Amu Darya sturgeon

Pseudoscaphirhynchus kaufmanni
Photograph of Syr Darya sturgeon (Pseudoscaphirhynchus fedtschenkoi), recorded as Critically EndangeredCR

Syr Darya sturgeon

Pseudoscaphirhynchus fedtschenkoi
Photograph of Vaquita (Phocoena sinus), recorded as Critically EndangeredCR

Vaquita

Phocoena sinus
Photograph of Javan rhinoceros (Rhinoceros sondaicus), recorded as Critically EndangeredCR

Javan rhinoceros

Rhinoceros sondaicus

Quick answers

What is Dwarf sturgeon?
Dwarf sturgeon is a ray-finned fish in the family Acipenseridae (order Acipenseriformes) — Pseudoscaphirhynchus hermanni.
What is the conservation status of Dwarf sturgeon?
Critically Endangered, as the IUCN category stored on Wikidata for Pseudoscaphirhynchus hermanni. Confirm the official assessment on iucnredlist.org.
Where does Dwarf sturgeon live?
Dwarf sturgeon is endemic to the Amu Darya river basin in Turkmenistan and Uzbekistan, and might also occur in Tajikistan.
Why is Dwarf sturgeon in crisis?
Overall this species is recorded to be a critically endangered species.
Is this the IUCN Red List page for Pseudoscaphirhynchus hermanni?
No. This is a researched catalog account. The Red List is the assessment.
Is Dwarf sturgeon a pet?
An animal on this catalog is in crisis in the wild. Keeping one is usually the wrong question.