Slender chub explained

The slender chub (Erimystax cahni) is a species of ray-finned fish in the family Cyprinidae.It is found only in the United States, within the Clinch and Powell rivers.[1] It is likely extirpated from the Holston River, having last been observed there in 1941.[2] 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.[2] Environmental DNA surveillance was conducted in 2022, and eDNA for the species was detected in both the Clinch and Powell rivers.

References

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Notes and References

  1. Web site: Erimystax cahni. NatureServe. NatureServe. NatureServe Network Biodiversity Location Data accessed through NatureServe Explorer. Arlington, Virginia. 2 June 2023. 18 June 2023.
  2. Web site: Slender Chub Erimystax (=Hybopsis) cahni 5-Year Review: Summary and Evaluation. Shaw. Ross. Stiles. Warren. Cookeville, Tennessee. U.S. Fish and Wildlife Service, Tennessee Ecological Services Field Office. 2021. 18 June 2023.
  3. Paine . R.T.R . Rogers . M.W. . Rosenberger . A.E. . 2024 . Environmental DNA (eDNA) surveillance of the federally threatened Slender Chub (Erimystax cahni) in the Clinch River and Powell River. . U.S. Department of Interior, Fish and Wildlife Service, Cooperator Science Series FWS/CSS -157-2024. Cooperator Science Series . 10.3996/css55463605 . free .

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