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Biology

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Inhabits fast rubble riffles of small to medium rivers (Ref. 5723).
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Rainer Froese
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Etheostoma osburni

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Etheostoma osburni, the candy darter or finescale saddled darter, is a species of fish in the family Percidae, a member of the group known as darters. This species is endemic to the eastern United States where it is known only from the Kanawha River system in the states of Virginia and West Virginia.[1]

Description

Etheostoma osburni can reach a length of 10 cm (3.9 in), though most only reach about 7.3 cm (2.9 in).[2] This species has a lifespan of up to three years. It spawns in April and May.[3] It is an invertivore, feeding on aquatic insect larvae and water mites.[3]

Habitat and distribution

Etheostoma osburni lives in a system of rivers, streams, and creeks in the central Appalachian Mountains. It can be found in rapid riffles in rocky riverbed habitat. It occurs in cold, cool, and warm waters, as long as the substrate is rocky and the water is clear. It tolerates fast currents.[1]

Conservation

Etheostoma osburni has a limited range, it has been recorded in more than 10 locations and does not have a severely fragmented distribution, so it has been designated a near-threatened species on the IUCN Red List. In 2018, US Fish and Wildlife Service designated it as a federally protected endangered species.[4][5] It prefers clear, unsilted waters, and increases in silt and sediment may reduce populations by reducing tolerable habitat.[1]

Taxonomy and etymology

Etheostoma osburni was first formally described as Poecilichthys osburni in 1932 by the American ichthyologists Carl Leavitt Hubbs and Milton Bernhard Trautman With the type locality given as Stony Creek which is a tributary of the Greenbrier River in Pocahontas County, West Virginia.[6] The specific name honors the American zoologist Raymond Carroll Osburn (1872-1955). The candy darter is considered to be closely related to the variegated darter (E. variatum).[7]

See also

Etheostoma osburni

References

  1. ^ a b c d NatureServe (2014). "Etheostoma osburni". IUCN Red List of Threatened Species. 2014: e.T8124A13387979. doi:10.2305/IUCN.UK.2014-3.RLTS.T8124A13387979.en. Retrieved 17 November 2021.
  2. ^ a b Froese, Rainer; Pauly, Daniel (eds.) (2019). "Etheostoma osburni" in FishBase. December 2019 version.
  3. ^ a b NatureServe. 2017. Etheostoma osburni. NatureServe Explorer V.7.1 Accessed 8 August 2017.
  4. ^ "Candy Darter Listed as Endangered Under Endangered Species Act". U.S. Fish and Wildlife Service. 20 November 2018. Retrieved 22 December 2021.
  5. ^ Hammack, Laurence (April 10, 2021). "Candy darter fish gets critical habitat designation, but remains in the path of a pipeline". Roanoke Times. Retrieved 2021-04-10.{{cite web}}: CS1 maint: url-status (link)
  6. ^ Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Poecilichthys osburni". Catalog of Fishes. California Academy of Sciences. Retrieved 17 October 2020.
  7. ^ Hubbs, C. L. & M. B. Trautman (1932). "Poecilichthys osburni, a new darter from the upper Kanawha River system in Virginia and West Virginia" (PDF). Ohio Journal of Science. 32 (1): 31–38.
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Etheostoma osburni: Brief Summary

provided by wikipedia EN

Etheostoma osburni, the candy darter or finescale saddled darter, is a species of fish in the family Percidae, a member of the group known as darters. This species is endemic to the eastern United States where it is known only from the Kanawha River system in the states of Virginia and West Virginia.

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cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
partner site
wikipedia EN