The boulder darter (Etheostoma wapiti) 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 Alabama and Tennessee in the United States, where it occurs in the Elk River system and Shoal Creek.[5][6] It is found in small rivers and fast-flowing streams, at least 2 ft (0.6 m) deep, with boulders or a rocky base. It feeds on aquatic insect larvae but little is known of its natural history. The population trend of this fish is unknown but it is affected by a rise in siltation and the impoundment of water within its range by the building of dams. The International Union for Conservation of Nature has assessed its conservation status as being "vulnerable".
^NatureServe (2013). "Etheostoma wapiti". IUCN Red List of Threatened Species. 2013: e.T8133A18228695. doi:10.2305/IUCN.UK.2013-1.RLTS.T8133A18228695.en. Retrieved 16 November 2021.
^"Boulder darter (Etheostoma wapiti)". Environmental Conservation Online System. U.S. Fish & Wildlife Service. Retrieved 5 May 2023.
^53 FR 33996
^Froese, Rainer; Pauly, Daniel (eds.) (2019). "Etheostoma wapiti" in FishBase. December 2019 version.
^USFWS. Etheostoma wapiti Five-year Review. September 2009. Retrieved 5 May 2023.
^"Boulder Darter, Etheostoma wapiti". U.S. Fish and Wildlife Service. Archived from the original on December 31, 2013. Retrieved July 26, 2012.
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