Endangered
Southern clubshell
Pleurobema decisum
Southern clubshell is a bivalve in the family Unionidae (order Unionida) — Pleurobema decisum, recorded as Endangered.
Appearance
Southern clubshell, the southern clubshell, is a freshwater mussel, an aquatic bivalve mollusk in the family Unionidae, the river mussels.
Range and habitat
This species is endemic to the United States. Its natural habitat is rivers. It is threatened by habitat loss.
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
Southern clubshell 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 Southern clubshell — often a short stub, Wikidata item Q3016804. 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.
