Endangered
Margarya bicostata
Margarya bicostata
Margarya bicostata is a gastropod in the family Viviparidae (order Architaenioglossa), recorded as Endangered.
The gastropod
Gastropods are snails and slugs. The animal is the soft body; the shell, when present, is grown, not worn like a stone.
Range and habitat
The distribution of Margarya bicostata includes Fuxian Lake in Yunnan Province, China. Former distribution also included Dian Lake. Margarya bicostata 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
Margarya bicostata is 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 Margarya bicostata — often a short stub, Wikidata item Q5473182. 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.



