Creatures in Crisis
Photograph of Tchangmargarya yangtsunghaiensis (Margarya yangtsunghaiensis), recorded as Critically Endangered
Tchangmargarya yangtsunghaiensis (Margarya yangtsunghaiensis). Image via Wikimedia Commons.

Critically Endangered

Tchangmargarya yangtsunghaiensis

Margarya yangtsunghaiensis

Tchangmargarya yangtsunghaiensis is a gastropod in the family Viviparidae (order Architaenioglossa) — Margarya yangtsunghaiensis, recorded as Critically Endangered.

Status
Critically Endangered
Scientific name
Margarya yangtsunghaiensis
Taxonomy
Gastropoda · Architaenioglossa · Viviparidae · Tchangmargarya

Appearance

Zhang et al. (2015) provided details about the shell and about the radula.

Range and habitat

The distribution of TchangTchangmargarya yangtsunghaiensis includes Yangzong Lake in Yunnan Province, China. TchangTchangmargarya yangtsunghaiensis is a large operculate freshwater snail, an aquatic gastropod mollusc in the family Viviparidae, the river snails.

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

Diet

Snails move on a single foot and feed with a rasping tongue. Island and spring species rarely recolonise once the site is emptied.

In crisis

Tchangmargarya yangtsunghaiensis 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 Tchangmargarya yangtsunghaiensis, Wikidata item Q5487248. 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 Margarya monodi (Margarya monodi), recorded as Critically EndangeredCR

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Margarya monodi
Photograph of Margarya bicostata (Margarya bicostata), recorded as EndangeredEN

Margarya bicostata

Margarya bicostata
Photograph of Vaquita (Phocoena sinus), recorded as Critically EndangeredCR

Vaquita

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

Javan rhinoceros

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Quick answers

What is Tchangmargarya yangtsunghaiensis?
Tchangmargarya yangtsunghaiensis is a gastropod in the family Viviparidae (order Architaenioglossa) — Margarya yangtsunghaiensis.
What is the conservation status of Tchangmargarya yangtsunghaiensis?
Critically Endangered, as the IUCN category stored on Wikidata for Margarya yangtsunghaiensis. Confirm the official assessment on iucnredlist.org.
Where does Tchangmargarya yangtsunghaiensis live?
The distribution of TchangTchangmargarya yangtsunghaiensis includes Yangzong Lake in Yunnan Province, China.
Why is Tchangmargarya yangtsunghaiensis in crisis?
It is Critically Endangered on Wikidata. Read the official Red List assessment for the criteria.
Is this the IUCN Red List page for Margarya yangtsunghaiensis?
No. This is a researched catalog account. The Red List is the assessment.
Is Tchangmargarya yangtsunghaiensis a pet?
An animal on this catalog is in crisis in the wild. Keeping one is usually the wrong question.