Species Profile
Environmental Conservation Online System

Headwater chub (Gila nigra)

Kingdom: Animalia
Class: Actinopterygii
Order: Cypriniformes
Family: Cyprinidae

Listing Status:   

General Information

The headwater chub is a moderate sized cyprinid (member of the minnow family, Cyprinidae), usually dark gray to brown overall, silver laterally, and often with diffuse lateral lines on the sides. The body is usually slender, moderate in length, and moderately fusiform. The headwater chub is similar in appearance to roundtail chub, but generally smaller than roundtail chub (G. robusta), likely due to the smaller streams and other habitats in which it occurs.

Map of Species occurrence

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Map Image Map of Species occurrence Map of Species occurrence

This map represents our best available information about where a species is currently known to or or is believed to occur; however, it should NOT be used as an official species list for Section 7 Consultation purposes. To obtain an official species list for this purpose, please visit the Information, Planning, and Conservation (IPaC) System (click here: http://ecos.fws.gov/ipac)



  • States/US Territories in which the Headwater chub is known to or is believed to occur:  Arizona , New Mexico
  • US Counties in which the Headwater chub is known to or is believed to occur:  View All
Current Listing Status Summary
Status Date Listed Lead Region Where Listed
Southwest Region (Region 2)

» Candidate Information

Current Candidate Status

Listing Priority: 8
Magnitude:  Moderate to Low
Immediacy: Imminent
Taxonomy: Species
Species Assessment: Species Assessment Form for the Gila nigra -- 406Kb
Candidate Notice of Review Documents (Showing 5 of 7: view all)
Date Citation Page Title
11/21/2012 77 FR 69993 70060 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
10/26/2011 76 FR 66370 66439 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
11/10/2010 75 FR 69222 69294 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule
11/09/2009 74 FR 57804 57878 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
12/10/2008 73 FR 75176 75244 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule

» Federal Register Documents

Most Recent Federal Register Documents (Showing 5 of 9: view all)
Date Citation Page Title
11/21/2012 77 FR 69993 70060 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
10/26/2011 76 FR 66370 66439 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
11/10/2010 75 FR 69222 69294 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule
11/09/2009 74 FR 57804 57878 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
12/10/2008 73 FR 75176 75244 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule

» Conservation Plans

No conservation plans have been created for Headwater chub

» Petitions

Most Recent Petition Findings (Showing 5 of 5)
Date Citation Page Title Finding
11/21/2012 77 FR 69993 70060 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
  • Notice 12 month petition finding, Warranted but precluded
  • Notice CNOR
    • 10/26/2011 76 FR 66370 66439 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
  • Notice 12 month petition finding, Warranted but precluded
  • Notice CNOR
    • 11/10/2010 75 FR 69222 69294 Review of Native Species That Are Candidates for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule
  • Notice 12 month petition finding, Warranted but precluded
  • Notice 90-day Petition Finding, Substantial
  • Notice CNOR
    • 05/03/2006 71 FR 26007 26017 12-Month Finding on a Petition To List a Distinct Population Segment of the Roundtail Chub in the Lower Colorado River Basin and To List the Headwater Chub as Endangered or Threatened With Critical Habitat:
  • Notice 12 month petition finding, Warranted but precluded
    • 07/12/2005 70 FR 39981 39986 90-Day Finding on a Petition To List a Distinct Population Segment of the Roundtail Chub in the lower Colorado River Basin and To List the Headwater Chub as Endangered or Threatened With Critical Habitat
  • Notice 90-day Petition Finding, Substantial

    • » Life History

    No Life History information has been entered into this system for this species.

    » Other Resources

    NatureServe Explorer Species Reports -- NatureServe Explorer is a source for authoritative conservation information on more than 50,000 plants, animals and ecological communtities of the U.S and Canada. NatureServe Explorer provides in-depth information on rare and endangered species, but includes common plants and animals too. NatureServe Explorer is a product of NatureServe in collaboration with the Natural Heritage Network.

    ITIS Reports -- ITIS (the Integrated Taxonomic Information System) is a source for authoritative taxonomic information on plants, animals, fungi, and microbes of North America and the world.

    Last updated: June 18, 2013