Duskytail darter

Duskytail darter
Scientific classification
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Perciformes
Family: Percidae
Genus: Etheostoma
Species: E. percnurum
Binomial name
Etheostoma percnurum
R. E. Jenkins, 1994

The duskytail darter (Etheostoma percnurum) is a species of darter endemic to the eastern United States where it is native to the upper Tennessee River drainage in Virginia.[1] It was federally listed as an endangered species of the United States in 1993,[2] shortly before it was formally described as a new species.

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. Because E. percnurum carries the endangered species status, the three new species may be given that status.[1]

These fish are threatened by the impoundment of waterways, increased silt, logging, coal mining, pollution, and disease.[3]

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