{"abstract":"We, the U.S. Fish and Wildlife Service (Service), announce a 12-month finding on a petition to list the Big Sandy crayfish (known at the time of the petition as Cambarus veteranus, but now known as two distinct species: Guyandotte River crayfish, C. veteranus, and Big Sandy crayfish, C. callainus) as endangered or threatened under the Endangered Species Act, as amended (Act), and to designate critical habitat. After review of the best available scientific and commercial information, we find that listing the Big Sandy crayfish and the Guyandotte River crayfish is warranted. Accordingly, we propose to list both the Big Sandy crayfish (C. callainus), a freshwater crustacean from Kentucky, Virginia, and West Virginia, and the Guyandotte River crayfish (C. veteranus), a freshwater crustacean from West Virginia, as endangered species under the Act. If we finalize this rule as proposed, it would extend the Act's protections to both species and would add both species to the Federal List of Endangered and Threatened Wildlife. The Service seeks data and comments from the public on this proposed listing rule.","action":"Proposed rule; 12-month finding and status review.","agencies":[{"raw_name":"DEPARTMENT OF THE INTERIOR","name":"Interior Department","id":253,"url":"https://www.federalregister.gov/agencies/interior-department","json_url":"https://www.federalregister.gov/api/v1/agencies/253","parent_id":null,"slug":"interior-department"},{"raw_name":"Fish and Wildlife Service","name":"Fish and Wildlife Service","id":197,"url":"https://www.federalregister.gov/agencies/fish-and-wildlife-service","json_url":"https://www.federalregister.gov/api/v1/agencies/197","parent_id":253,"slug":"fish-and-wildlife-service"}],"body_html_url":"https://www.federalregister.gov/documents/full_text/html/2015/04/07/2015-07625.html","cfr_references":[{"chapter":null,"citation_url":null,"part":17,"title":50}],"citation":"80 FR 18710","comment_url":null,"comments_close_on":"2015-06-08","correction_of":null,"corrections":[],"dates":"We will accept comments received or postmarked on or before June 8, 2015. Comments submitted electronically using the Federal eRulemaking Portal (see ADDRESSES, below) must be received by 11:59 p.m. Eastern Time on the closing date. We must receive requests for public hearings, in writing, at the address shown in FOR FURTHER INFORMATION CONTACT by May 22, 2015.","disposition_notes":null,"docket_ids":["Docket No. FWS-R5-ES-2015-0015","4500030113"],"dockets":[{"supporting_documents":[{"title":"Final Rule References Reviewed But Not Cited - Big Sandy and Guyandotte River Crayfishes","document_id":"FWS-R5-ES-2015-0015-0067"},{"title":"Final Rule References Cited - Big Sandy and Guyandotte River Crayfishes","document_id":"FWS-R5-ES-2015-0015-0066"},{"title":"Cambarus veteranus Range WideConservation Status Survey","document_id":"FWS-R5-ES-2015-0015-0058"},{"title":"Cambarus callainus Range Wide Conservation Status Survey","document_id":"FWS-R5-ES-2015-0015-0057"},{"title":"Loughman 2014 Crayfish Biological Spp Report","document_id":"FWS-R5-ES-2015-0015-0003"},{"title":"2 Crayfish 12 Month Finding References Cited","document_id":"FWS-R5-ES-2015-0015-0002"}],"agency_name":null,"documents":[{"comment_count":42021,"comment_start_date":"2015-04-07","updated_at":"2023-02-28T20:13:27.185-05:00","comment_url":"https://www.regulations.gov/commenton/FWS-R5-ES-2015-0015-0001","allow_late_comments":null,"id":"FWS-R5-ES-2015-0015-0001","comment_end_date":"2015-06-09","regulations_dot_gov_open_for_comment":false}],"supporting_documents_count":6,"id":"FWS-R5-ES-2015-0015","title":"Listing the Big Sandy and Guyandotte River crayfishes as Threatened or Endangered"}],"document_number":"2015-07625","effective_on":null,"end_page":18739,"executive_order_notes":null,"executive_order_number":null,"full_text_xml_url":"https://www.federalregister.gov/documents/full_text/xml/2015/04/07/2015-07625.xml","html_url":"https://www.federalregister.gov/documents/2015/04/07/2015-07625/endangered-and-threatened-wildlife-and-plants-endangered-species-status-for-the-big-sandy-crayfish","images":{"EP07AP15.008":{"large":"https://img.federalregister.gov/EP07AP15.008/EP07AP15.008_large.png","medium":"https://img.federalregister.gov/EP07AP15.008/EP07AP15.008_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.008/EP07AP15.008_original_size.png"},"EP07AP15.007":{"large":"https://img.federalregister.gov/EP07AP15.007/EP07AP15.007_large.png","medium":"https://img.federalregister.gov/EP07AP15.007/EP07AP15.007_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.007/EP07AP15.007_original_size.png"},"EP07AP15.006":{"large":"https://img.federalregister.gov/EP07AP15.006/EP07AP15.006_large.png","medium":"https://img.federalregister.gov/EP07AP15.006/EP07AP15.006_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.006/EP07AP15.006_original_size.png"},"EP07AP15.005":{"large":"https://img.federalregister.gov/EP07AP15.005/EP07AP15.005_large.png","medium":"https://img.federalregister.gov/EP07AP15.005/EP07AP15.005_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.005/EP07AP15.005_original_size.png"},"EP07AP15.004":{"large":"https://img.federalregister.gov/EP07AP15.004/EP07AP15.004_large.png","medium":"https://img.federalregister.gov/EP07AP15.004/EP07AP15.004_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.004/EP07AP15.004_original_size.png"},"EP07AP15.003":{"large":"https://img.federalregister.gov/EP07AP15.003/EP07AP15.003_large.png","medium":"https://img.federalregister.gov/EP07AP15.003/EP07AP15.003_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.003/EP07AP15.003_original_size.png"},"EP07AP15.002":{"large":"https://img.federalregister.gov/EP07AP15.002/EP07AP15.002_large.png","medium":"https://img.federalregister.gov/EP07AP15.002/EP07AP15.002_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.002/EP07AP15.002_original_size.png"},"EP07AP15.001":{"large":"https://img.federalregister.gov/EP07AP15.001/EP07AP15.001_large.png","medium":"https://img.federalregister.gov/EP07AP15.001/EP07AP15.001_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.001/EP07AP15.001_original_size.png"},"EP07AP15.000":{"large":"https://img.federalregister.gov/EP07AP15.000/EP07AP15.000_large.png","medium":"https://img.federalregister.gov/EP07AP15.000/EP07AP15.000_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.000/EP07AP15.000_original_size.png"},"EP07AP15.010":{"large":"https://img.federalregister.gov/EP07AP15.010/EP07AP15.010_large.png","medium":"https://img.federalregister.gov/EP07AP15.010/EP07AP15.010_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.010/EP07AP15.010_original_size.png"},"EP07AP15.009":{"large":"https://img.federalregister.gov/EP07AP15.009/EP07AP15.009_large.png","medium":"https://img.federalregister.gov/EP07AP15.009/EP07AP15.009_medium.png","original_size":"https://img.federalregister.gov/EP07AP15.009/EP07AP15.009_original_size.png"}},"images_metadata":{"EP07AP15.008":{"large":{"identifier":"EP07AP15.008","content_type":"image/png","size":54055,"width":823,"sha":"5f929c1035cf1dd34a9c0ff9ea949414","url":"https://img.federalregister.gov/EP07AP15.008/EP07AP15.008_large.png","height":590},"medium":{"identifier":"EP07AP15.008","content_type":"image/png","size":22667,"width":480,"sha":"0d1133516c01d9eb6f16105937bc0528","url":"https://img.federalregister.gov/EP07AP15.008/EP07AP15.008_medium.png","height":344},"original_size":{"identifier":"EP07AP15.008","content_type":"image/png","size":70799,"width":1811,"sha":"314e2905e15c6c70a169496f574520fd","url":"https://img.federalregister.gov/EP07AP15.008/EP07AP15.008_original_size.png","height":1298}},"EP07AP15.007":{"large":{"identifier":"EP07AP15.007","content_type":"image/png","size":52900,"width":823,"sha":"db276fbf6d234196d7f45ebe225c15b3","url":"https://img.federalregister.gov/EP07AP15.007/EP07AP15.007_large.png","height":581},"medium":{"identifier":"EP07AP15.007","content_type":"image/png","size":26012,"width":475,"sha":"b9fc38d4239810ec27d1c0655aa7db00","url":"https://img.federalregister.gov/EP07AP15.007/EP07AP15.007_medium.png","height":336},"original_size":{"identifier":"EP07AP15.007","content_type":"image/png","size":41972,"width":1792,"sha":"ef2c698f115ab1a73cf79c49a1c620ac","url":"https://img.federalregister.gov/EP07AP15.007/EP07AP15.007_original_size.png","height":1266}},"EP07AP15.006":{"large":{"identifier":"EP07AP15.006","content_type":"image/png","size":59099,"width":822,"sha":"3544592b667ba1233dab85fa276f23e2","url":"https://img.federalregister.gov/EP07AP15.00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