Critically Endangered
Duskytail darter
Etheostoma percnurum
In 2008, examination of the morphology of this species led researchers to divide it into four species, describing the Citico darter (Etheostoma sitikuense), the marbled darter (Etheostoma marmorpinnum), and the tuxedo darter (Etheostoma lemniscatum) as new.
The ray-finned fish
Duskytail darter is a ray-finned fish in the family Percidae (order Perciformes) — Etheostoma percnurum.
Range and habitat
It is endemic to the eastern United States where it is native to the upper Tennessee River drainage in Virginia.
Pins are Wikidata “endemic to” fields. Orange dots, when present, are GBIF occurrence tiles — survey bias included.
In crisis
Because E. Percnurum carries the endangered species status, the three new species may be given that status.
Duskytail darter 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 Duskytail darter, Wikidata item Q2119450. 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.



