Species Profile
Environmental Conservation Online System

Unarmored Threespine stickleback (Gasterosteus aculeatus williamsoni)

Kingdom: Animalia
Class: Actinopterygii
Order: Gasterosteiformes
Family: Gasterosteidae

Listing Status:   

Lead Region:  California/Nevada Region (Region 8)
Date Listed: Oct 13, 1970

  • States/US Territories in which the Unarmored Threespine stickleback is known to occur:  California

» Federal Register Documents

Most Recent Federal Register Documents (Showing 5 of 5 )
Date Citation Page Title
03/05/2008 73 FR 11945 11950 Initiation of 5-Year Reviews of 58 Species in California and Nevada; Availability of Completed 5-Year Reviews in California, Nevada and Southern Oregon
07/09/1996 61 FR 36021 36023 ETWP; 90-Day Finding on a Petition to List the Santa Ana Speckled Dace, Santa Ana Sucker, and the Shay Creek Threespine Stickleback as Endangered
11/17/1980 45 FR 76012 76015 Proposed Designation of Critical Habitat for Endangered Unarmored Threespine Stickleback
10/13/1970 35 FR 16047 16048 Appendix D - United States List of Endangered Native Fish and Wildlife; 35 FR 16047 16048
08/25/1970 35 FR 13519 13520 Notice of Proposed Rule Making (Conservation of Endangered Species and Other Fish or Wildlife)

» Recovery

Recovery Plan Information Search
Current Recovery Plan(s)
Date Title Plan Action Status Plan Status
12/26/1985 Unarmored Threespine Stickleback Recovery Plan, Revised View Implementation Progress Final Revision 1
Other Recovery Documents (Showing 1 of 1 )
Date Citation Page Title Document Type
03/05/2008 73 FR 11945 11950 Initiation of 5-Year Reviews of 58 Species in California and Nevada; Availability of Completed 5-Year Reviews in California, Nevada and Southern Oregon
  • Notice 5-year Review, Initiation
    • Five Year Review
    Date Title
    06/15/2009 Unarmored Threespine Stickleback 5-Year Review

    » Critical Habitat

    Current Critical Habitat Documents (Showing 1 of 1 )
    Date Citation Page Title Document Type Status
    11/17/1980 45 FR 76012 76015 Proposed Designation of Critical Habitat for Endangered Unarmored Threespine Stickleback Proposed Rule Not Required

    To learn more about critical habitat please see http://criticalhabitat.fws.gov

    » Conservation Plans

    Habitat Conservation Plans (HCP) (learn more) (Showing 1 of 1 )
    HCP Plan Summaries
    Newhall Farm Seasonal Crossings

    » Petitions

    Most Recent Petition Findings (Showing 1 of 1 )
    Date Citation Page Title Finding
    07/09/1996 61 FR 36021 36023 ETWP; 90-Day Finding on a Petition to List the Santa Ana Speckled Dace, Santa Ana Sucker, and the Shay Creek Threespine Stickleback as Endangered
  • Notice 90-day Petition Finding, Not 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: November 22, 2009