Endangered
Obovaria subrotunda
Obovaria subrotunda
Obovaria subrotunda is a bivalve in the family Unionidae (order Unionida), recorded as Endangered.
Range and habitat
Obovaria subrotunda, commonly called the round hickorynut, is a freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
Breeding
Freshwater mussels bury in the bed and live for decades if the river still runs and the host fish still spawn.
In crisis
The Canadian Species at Risk Act listed it in the List of Wildlife Species at Risk as being endangered in Canada.
Obovaria subrotunda 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 Obovaria subrotunda, Wikidata item Q2892483. 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.



