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Redlips darter
Conservation status
Unranked (NatureServe)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Actinopterygii
Order:	Perciformes
Family:	Percidae
Genus:	Etheostoma
Species:	E. maydeni
Binomial name
Etheostoma maydeni Powers & Kuhajda in Powers, Kuhajda and Ahlbrand, 2012

The redlips darter (Etheostoma maydeni) is a species of freshwater ray-finned fish, a darter from the subfamily Etheostomatinae, part of the family Percidae, which also contains the perches, ruffes and pikeperches. It is endemic to the eastern United States, where it is restricted to large tributaries of the Cumberland River below Cumberland Falls. This species can reach a length of 8 cm (3.1 in). The specific name maydeni honors the American ichthyologist Richard L. Mayden in recognition of his studies of North American fishes. The populations of this species have been fragmented because of the construction of reservoirs. They inhabit slow-moving streams andrivers where they prefer pools near the banks where there are scattered rocks and fallen wood. Their common name refers to the red coloring on their lips. Another distinguishing feature is that they possess a greatly enlarged second dorsal fin and also have angled dusky bars along the flanks.

References

1. NatureServe (3 March 2023). "Etheostoma maydeni". NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer. Arlington, Virginia: NatureServe. Retrieved 6 April 2023.
2. "Etheostoma maydeni Powers and Kuhajda in Powers, Kuhajda and Ahlbrand, 2012". Integrated Taxonomic Information System. Retrieved 6 April 2023.
3. "Etheostoma maydeni Powers & Kuhajda, 2012". Global Biodiversity Information Facility. Retrieved 6 April 2023.
4. Froese, Rainer; Pauly, Daniel (eds.). "Etheostoma maydeni". FishBase. December 2019 version.
5. "Redlips Darter (Etheostoma maydeni)". Tennessee Aquarium. Retrieved 6 April 2023.

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• Endemic fauna of the Southeastern United States
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