Species Profile
Environmental Conservation Online System

Fluvial Arctic grayling (Thymallus arcticus)

Kingdom: Animalia
Class: Actinopterygii
Order: Salmoniformes
Family: Salmonidae

Listing Status:   

General Information

Arctic grayling (Thymallus arcticus) is a freshwater fish in the same family (Salmonidae) as salmon, trout, and whitefish. A distinctive morphological characteristic of this fish is its large, sail-like dorsal fin. Arctic grayling is an obligate cool- or cold-water species. Individual fish can range widely, moving tens of miles on a seasonal or annual basis between spawning, rearing, and sheltering habitats.

Lead Region:  Mountain-Prairie Region (Region 6)

» Candidate Information

Candidate Notice of Review Documents (Showing 5 of 13 : view all)
Date Citation Page Title
09/12/2006 71 FR 53755 53835 Review of Native Species That Are Candidates or Proposed for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
05/11/2005 70 FR 24869 24934 Endangered and Threatened Wildlife and Plants; Review of Native Species That Are Candidates or Proposed for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule
05/04/2004 69 FR 24875 24904 Review of Species That Are Candidates or Proposed for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
06/13/2002 67 FR 40657 40679 Endangered and Threatened Wildlife and Plants; Review of Species That Are Candidates or Proposed for Listing as Endangered or Threatened; Annual Notice of Findings on Recycled Petitions; Annual Description of Progress on Listing Actions
10/30/2001 66 FR 54807 54832 ETWP; Review of Plant and Animal Species That Are Candidates or Proposed for Listing as Endangered or Threatened,Annual Notice of Findings on Recycled Petitions, and Annual Description of Progress on Listing Actions; Proposed Rule

» Federal Register Documents

Most Recent Federal Register Documents (Showing 5 of 18 : view all)
Date Citation Page Title
10/28/2009 74 FR 55524 55525 Status Review of Arctic Grayling (Thymallus arcticus) in the Upper Missouri River System
04/24/2007 72 FR 20305 20314 Revised 12-Month Finding for Upper Missouri River Distinct Population Segment of Fluvial Arctic Grayling
09/12/2006 71 FR 53755 53835 Review of Native Species That Are Candidates or Proposed for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions
05/11/2005 70 FR 24869 24934 Endangered and Threatened Wildlife and Plants; Review of Native Species That Are Candidates or Proposed for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions; Proposed Rule
05/04/2004 69 FR 24875 24904 Review of Species That Are Candidates or Proposed for Listing as Endangered or Threatened; Annual Notice of Findings on Resubmitted Petitions; Annual Description of Progress on Listing Actions

» Recovery

Recovery Plan Information Search

No recovery information is available for the Fluvial Arctic grayling, Upper Missouri River DPS.

» Critical Habitat

No critical habitat rules have been published for the Fluvial Arctic grayling, Upper Missouri River DPS.

» Conservation Plans

Candidate Conservation Agreements (CCA): (learn more) (Showing 2 of 2 )
CCA Plan Summaries
Fluvial Arctic grayling
Fluvial Arctic grayling II

» Petitions

Most Recent Petition Findings (Showing 3 of 3 )
Date Citation Page Title Finding
04/24/2007 72 FR 20305 20314 Revised 12-Month Finding for Upper Missouri River Distinct Population Segment of Fluvial Arctic Grayling
  • Notice 12 month petition finding, Not warranted
    • 07/25/1994 59 FR 37738 37741 ETWP; Finding on a Petition To List the Fluvial Population of the Arctic Grayling as Endangered
  • Notice 12 month petition finding, Warranted but precluded
    • 01/19/1993 58 FR 4975 4976 ETWP; 90-Day Finding and Commencement of Status Review for a Petition to List the Fluvial Population of the Arctic Grayling as Endangered; (Thymallus arcticus)
  • 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: November 22, 2009