Species Profile
Environmental Conservation Online System

River lamprey (Lampetra ayresi)

Kingdom: Animalia
Class: Cephalaspidomorphi
Order: Petromyzontiformes
Family: Petromyzontidae

Listing Status:   

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 River lamprey is known to or is believed to occur:  Alaska , California , Oregon , Washington
  • US Counties in which the River lamprey is known to or is believed to occur:  View All
Current Listing Status Summary
Status Date Listed Lead Region Where Listed
Pacific Region (Region 1)

» Candidate Information

Candidate Notice of Review Documents (Showing 1 of 1)
Date Citation Page Title
11/15/1994 59 FR 58982 59028 ETWP; Animal Candidate Review for Listing as Endangered or Threatened Species.

» Federal Register Documents

Most Recent Federal Register Documents (Showing 5 of 8: view all)
Date Citation Page Title
07/25/2005 70 FR 42533 42535 Notice of Intent to Conduct Public Scoping Meetings and to Prepare an Environmental Impact Statement Related to the Family Forest Habitat Conservation Plan
12/27/2004 69 FR 77158 77167 Endangered and Threatened Wildlife and Plants; 90-Day Finding on a Petition To List Three Species of Lampreys as Threatened or Endangered
01/05/2001 66 FR 1089 1091 Availability of a Final Environmental Impact Statement for the Tacoma Water Department Habitat Conservation Plan, King County, WA
03/15/2000 65 FR 13947 13948 Extension of Public Comment Period for Draft Environmental Impact Statement and Application for an Incidental Take Permit for the Tacoma Water Department, Green River Watershed, Habitat Conservation Plan, King County, Washington
01/31/2000 4603 Availability of a Draft Environmental Impact Statement and Receipt of an Application for Incidental Take Permits for the Tacoma Water Department, Green River Watershed, Habitat Conservation Plan, King County, Washington

» Recovery

Recovery Plan Information Search

No recovery information is available for the River lamprey.

» Critical Habitat

Current Critical Habitat Documents (Showing 1 of 1)
Date Citation Page Title Document Type Status
05/10/1999 64 FR 24998 25007 Proposed Critical Habitat for the Oregon Coast Coho Salmon Evolutionarily Significant Unit Proposed Rule Final designated

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

» Conservation Plans

Habitat Conservation Plans (HCP) (learn more) (Showing 4 of 4)
HCP Plan Summaries
Cedar River Watershed HCP
City of Kent Clark Springs Water Supply
City of Tacoma, Tacoma Water HCP
Storedahl's Daybreak Mine Expansion and Habitat Enhancement Project HCP

» Petitions

Most Recent Petition Findings (Showing 1 of 1)
Date Citation Page Title Finding
12/27/2004 69 FR 77158 77167 Endangered and Threatened Wildlife and Plants; 90-Day Finding on a Petition To List Three Species of Lampreys as Threatened or 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: June 20, 2013