# Endangered and Threatened Wildlife and Plants; Threatened Species Status for Kentucky Arrow Darter With 4(d) Rule
> **US Fish and Wildlife Service** · Final rule. · Published 2016-10-05 · Effective 2016-11-04 · 81 FR 68963
## Document
- **Document number:** 2016-23545
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **State:** KY
- **Federal Register citation:** 81 FR 68963
- **CFR reference:** 50 CFR 17
- **Publication date:** 2016-10-05
- **Effective date:** 2016-11-04
- **Interior docket:** Docket No. FWS-R4-ES-2015-0132
## Abstract

We, the U.S. Fish and Wildlife Service (Service), determine threatened species status under the Endangered Species Act of 1973 (Act), as amended, for Kentucky arrow darter (Etheostoma spilotum), a fish species from the upper Kentucky River basin in Kentucky. The effect of this regulation will be to add this species to the List of Endangered and Threatened Wildlife. We are also adopting a rule under section 4(d) of the Act (a "4(d) rule") to further provide for the conservation of the Kentucky arrow darter.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/10/05/2016-23545/endangered-and-threatened-wildlife-and-plants-threatened-species-status-for-kentucky-arrow-darter)
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