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Sea Lamprey

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Sea lamprey
Scientific Name:
Petromyzon marinus (Linnaeus, 1758) (ITIS)
Common Name:
Sea Lamprey
Sea lamprey, adult - Photo by Lee Emery; U.S. Fish and Wildlife Service
Native To:
Atlantic Ocean (NAS Database)
Date of U.S. Introduction:
First discovered in Lake Ontario in 1835 (though whether or not it is native to Lake Ontario is disputed); first discovered in Lake Erie in 1921 (NAS Database)
Means of Introduction:
Spread into the Great Lakes through the Welland Canal (NAS Database)
Preys on native species (NAS Database)
Current U.S. Distribution:
Great Lakes

Distribution/Maps/Survey Status



Selected Resources

The section below contains selected highly relevant resources for this species, organized by source. To view all related content for this species, click on "View all resources for species" in the top left of this page.

Council or Task Force

Aquatic Nuisance Species Task Force.


IUCN. Species Survival Commission. Invasive Species Specialist Group.
Ontario's Invading Species Awareness Program (Canada).
Texas State University System. Texas Invasive Species Institute.

Federal Government

DOI. USGS. Wetland and Aquatic Research Center.
Provides distribution maps and collection information (State and County).

State and Local Government

Indiana Department of Natural Resources.

See also: Invasive Species for exotic animal and plant pests invading Indiana, causing economic and visual damage
New York Department of Environmental Conservation.

Wisconsin Department of Natural Resources.

Ohio Department of Natural Resources. Division of Wildlife.


Columbia University. Center for Environmental Research and Conservation.
University of Wisconsin Sea Grant.
University of Minnesota. Minnesota Sea Grant.


Great Lakes Fishery Commission.