Slender chub

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Slender chub
Slender chub fish erimystax cahni.jpg
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Chordata
Class: Actinopterygii
Order: Cypriniformes
Family: Leuciscidae
Subfamily: Pogonichthyinae
Genus: Erimystax
Species:
E. cahni
Binomial name
Erimystax cahni
(C. L. Hubbs & Crowe, 1956)
Synonyms [4]
  • Hybopsis cahniHubbs & Crowe, 1956

The slender chub (Erimystax cahni) is a species of freshwater ray-finned fish belonging to the family Leuciscidae, the shiners, daces and minnows. [4] It is found only in the United States, within the Clinch and Powell rivers. [5] It is likely extirpated from the Holston River, having last been observed there in 1941. [6] Due in part to a lack of targeted surveys, slender chub have not been definitively observed since the 1990s. The 2021 5-year review of this federally threatened species recommended environmental DNA sampling in future surveys with comparison to DNA extracted from preserved specimens. [6] Environmental DNA surveillance was conducted in 2022, and eDNA for the species was detected in both the Clinch and Powell rivers. [7]

References

  1. ↑ NatureServe (2013). "Erimystax cahni". IUCN Red List of Threatened Species . 2013: e.T8015A15361667. doi: 10.2305/IUCN.UK.2013-1.RLTS.T8015A15361667.en . Retrieved 15 November 2021.
  2. ↑ "Slender chub (Erimystax cahni)". Environmental Conservation Online System. U.S. Fish & Wildlife Service. Retrieved 18 June 2023.
  3. ↑ 42 FR 45526
  4. 1 2 Eschmeyer, William N.; Fricke, Ron & van der Laan, Richard (eds.). "Species in the genus Erimystax". Catalog of Fishes . California Academy of Sciences . Retrieved 11 March 2025.
  5. ↑ NatureServe (2 June 2023). "Erimystax cahni". NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer. Arlington, Virginia: NatureServe. Retrieved 18 June 2023.
  6. 1 2 Shaw, Ross; Stiles, Warren (2021). "Slender Chub Erimystax (=Hybopsis) cahni 5-Year Review: Summary and Evaluation" (PDF). Cookeville, Tennessee: U.S. Fish and Wildlife Service, Tennessee Ecological Services Field Office. Retrieved 18 June 2023.
  7. ↑ Paine, R.T.R.; Rogers, M.W.; and Rosenberger, A.E. (2024). Environmental DNA (eDNA) surveillance of the federally threatened Slender Chub (Erimystax cahni) in the Clinch River and Powell River (Report). Cooperator Science Series. Washington, D.C.: U.S. Department of Interior, Fish and Wildlife Service, Cooperator Science Series FWS/CSS -157-2024. doi: 10.3996/css55463605 .


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