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Spiny Water Flea

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Spiny water flea
Scientific Name:
Bythotrephes longimanus (Leydig, 1860) (ITIS)
Synonym:
Bythotrephes cederstroemi (Berg et al. 2002)
Common Name:
Spiny water flea
Photo:
Spiny waterflea, adults - Photo by Gary Montz
Native To:
Date of U.S. Introduction:
First discovered in Lake Huron in 1984; established in all of the Great Lakes by 1987 (Cullis 1988)
Means of Introduction:
Accidentally introduced through ballast water (Berg et al. 2002)
Impact:
Has caused a decline in the population of zooplankton as a result of predation (Vanderploeg et al. 2002); may also compete with some native species, such as perch and small crustaceans (Branstrator and Lehman 1996)

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

Alberta Invasive Species Council (Canada).
See also: Fact Sheets for more information about individual invasive species, including those listed as "Prohibited Noxious" and "Noxious" under the Alberta Weed Control Act

Partnership

IUCN. Species Survival Commission. Invasive Species Specialist Group.
Ontario's Invading Species Awareness Program (Canada).
Northeast Aquatic Nuisance Species Panel.

New York Invasive Species Clearinghouse.

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
Minnesota Department of Natural Resources.
Massachusetts Department of Conservation and Recreation.
See also: Invasive Species Information for more resources

Academic

University of Minnesota. Minnesota Aquatic Invasive Species Research Center.
Pennsylvania State University. Pennsylvania Sea Grant.
See also: Aquatic Invasive Species: Resources for additional species information
University of Wisconsin Sea Grant Institute.
Paul Smith's College (New York). Adirondack Watershed Institute.
University of Minnesota. Minnesota Sea Grant.
Ohio State University. Ohio Sea Grant College Program.

Professional

Citations