Endangered
Cumberland monkeyface pearly mussel
Quadrula intermedia
Cumberland monkeyface pearly mussel is a bivalve in the family Unionidae (order Unionida) — Quadrula intermedia, recorded as Endangered.
Appearance
This species is greenish yellow in color. Hosts for this species include the streamline chub (Erimystax dissimilis) and blotched chub (Erimystax insignis).
Range and habitat
Theliderma intermedia, the Cumberland monkeyface pearly mussel or Cumberland monkeyface, is a freshwater mussel in the family Unionidae, the river mussels. This aquatic bivalve mollusk is native to Tennessee and Virginia in the United States. Historically widespread in the upper Tennessee River system, it populations have been reduced by habitat destruction and pollution.
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
It is a federally listed endangered species. There is still a population in the Powell River, and the population in the Duck River appears to be viable.
CITES lists this taxon on Appendix I. Confirm the current appendix on the CITES checklist.
Cumberland monkeyface pearly mussel 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 Cumberland monkeyface pearly mussel, Wikidata item Q3018340. 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.
