Species Profile
Environmental Conservation Online System

Rio Grande Silvery minnow (Hybognathus amarus)

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

Listing Status:   

Lead Region:  Southwest Region (Region 2)
Date Listed: Jul 20, 1994

  • States/US Territories in which the Rio Grande Silvery minnow is known to occur:  New Mexico , Texas
  • USFWS Refuges in which the Rio Grande Silvery minnow is known to occur:  BOSQUE DEL APACHE NATIONAL WILDLIFE REFUGE , SEVILLETA NATIONAL WILDLIFE REFUGE
  • Countries in which the the Rio Grande Silvery minnow is known to occur:  Mexico

» Federal Register Documents

Most Recent Federal Register Documents (Showing 5 of 11 : view all)
Date Citation Page Title
04/09/2009 74 FR 16232 16233 Recovery Plan for the Rio Grande Silvery Minnow (Hybognathus amarus; draft amendment and supplement to the 2007 Draft revised recovery plan
12/08/2008 73 FR 74357 74372 Endangered and Threatened Wildlife and Plants; Establishment of a Nonessential Experimental Population of Rio Grande Silvery Minnow in the Big Bend Reach of the Rio Grande in Texas
02/22/2008 73 FR 9755 9756 Establishment of a Nonessential Experimental Population of Rio Grande Silvery Minnow in the Big Bend Reach of the Rio Grande in Texas
09/05/2007 72 FR 50918 50929 Establishment of a Nonessential Experimental Population of Rio Grande Silvery Minnow in the Big Bend Reach of the Rio Grande in Texas
01/18/2007 72 FR 2301 2302 Notice of Availability of the Draft Revised Recovery Plan for the Rio Grande Silvery Minnow (Hybognathus amarus)
Most Recent Special Rule Publications (Showing 3 of 3 )
Date Citation Page Title
12/08/2008 73 FR 74357 74372 Endangered and Threatened Wildlife and Plants; Establishment of a Nonessential Experimental Population of Rio Grande Silvery Minnow in the Big Bend Reach of the Rio Grande in Texas
02/22/2008 73 FR 9755 9756 Establishment of a Nonessential Experimental Population of Rio Grande Silvery Minnow in the Big Bend Reach of the Rio Grande in Texas
09/05/2007 72 FR 50918 50929 Establishment of a Nonessential Experimental Population of Rio Grande Silvery Minnow in the Big Bend Reach of the Rio Grande in Texas

» Recovery

Recovery Plan Information Search
Current Recovery Plan(s)
Date Title Plan Action Status Plan Status
01/18/2007 Draft Revised Rio Grande Silvery Minnow Recovery Plan View Implementation Progress Draft Revision 1
04/09/2009 Appendix H Rio Grande Silvery Minnow Population Viability Analysis: A Tool To Evaluate Progress Toward Recovery Supplement to the Draft Revised Rio Grande Silvery Minnow Recovery Plan View Implementation Progress Draft Revision 1
04/09/2009 Draft Revised Recovery Goals, Objectives, and Criteria Supplement to the Draft Revised Rio Grande Silvery Minnow Recovery Plan View Implementation Progress Draft Revision 1
Other Recovery Documents (Showing 2 of 2 )
Date Citation Page Title Document Type
04/09/2009 74 FR 16232 16233 Recovery Plan for the Rio Grande Silvery Minnow (Hybognathus amarus; draft amendment and supplement to the 2007 Draft revised recovery plan
  • Notice Draft Recovery Plan Availability
    • 01/18/2007 72 FR 2301 2302 Notice of Availability of the Draft Revised Recovery Plan for the Rio Grande Silvery Minnow (Hybognathus amarus)
  • Notice Draft Recovery Plan Availability

    • » Critical Habitat

    Current Critical Habitat Documents (Showing 5 of 5 )
    Date Citation Page Title Document Type Status
    02/19/2003 68 FR 8087 8135 Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Rio Grande Silvery Minnow; Final Rule; Final Rule Active
    06/06/2002 67 FR 39205 39235 Endangered and Threatened Wildlife and Plants; Designation of Critical Habitat for the Rio Grande Silvery Minnow; Proposed Rule Proposed Rule Not Required
    07/22/1999 64 FR 39560 ETWP; Final Designation of Critical Habitat for the Rio Grande Silvery Minnow - Correction Final Rule Not Required
    07/06/1999 64 FR 36274 36290 ETWP; Final Designation of Critical Habitat for the Rio Grande Silvery Minnow Final Rule Not Required
    03/01/1993 58 FR 11821 11826 Proposed Rule to List the Rio Grande Silvery Minnow as Endangered, With Critical Habitat Proposed Rule Not Required

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

    » Conservation Plans

    Safe Harbor Agreements (SHA): (learn more) (Showing 2 of 2 )
    SHA Plan Summaries
    Pueblo of Santa Ana Amendment # 1
    Pueblo of Santa Ana Safe Harbor Agreement

    » Petitions

    No petition findings have been published for the Rio Grande Silvery minnow.

    » 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