# Endangered and Threatened Wildlife and Plants; Threatened Species Status for the Big Sandy Crayfish and Endangered Species Status for the Guyandotte River Crayfish
> **US Fish and Wildlife Service** · Final rule. · Published 2016-04-07 · Effective 2016-05-09 · 81 FR 20450
## Document
- **Document number:** 2016-07744
- **Category:** endangered-species
- **Sub-agency:** US Fish and Wildlife Service
- **Federal Register citation:** 81 FR 20450
- **CFR reference:** 50 CFR 17
- **Publication date:** 2016-04-07
- **Effective date:** 2016-05-09
- **Interior docket:** Docket No. FWS-R5-ES-2015-0015
## 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 the Big Sandy crayfish (Cambarus callainus), a freshwater crustacean from Kentucky, Virginia, and West Virginia, and endangered status for the Guyandotte River crayfish (C. veteranus), a freshwater crustacean from West Virginia. This rule adds these species to the Federal List of Endangered and Threatened Wildlife.

## Source
- [Federal Register document](https://www.federalregister.gov/documents/2016/04/07/2016-07744/endangered-and-threatened-wildlife-and-plants-threatened-species-status-for-the-big-sandy-crayfish)
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