Bythotrephes longimanus
Bythotrephes longimanus
(spiny waterflea)
Crustaceans-Cladocerans
Exotic
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36 results for Bythotrephes longimanus (spiny waterflea)
Download Data

Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
276900 ILLakeLake Michigan1987 04190000 Lake Michiganunknown
276901 ILLakeLake Michigan1987 04190000 Lake Michiganunknown
4265 MI Lake Superior1987 04180000 Lake Superiorestablished
276903 MIAlleganLake Michigan1987 04190000 Lake Michiganunknown
276902 MIAlleganLake Michigan, Allegan County [likely off Saugatuck]1987 04190000 Lake Michiganunknown
276911 MIBenzieLake Michigan1987 04190000 Lake Michiganunknown
276909 MIBenzieLake Michigan1987 04190000 Lake Michiganunknown
276899 MIBerrienLake Michigan1987 04190000 Lake Michiganunknown
276897 MIBerrienLake Michigan, Berrien County [likely off mouth of St. Joseph River]1987 04190000 Lake Michiganunknown
269025 MIKeweenawLake Superior1987 04180000 Lake Superiorestablished
1425216 MIKeweenawLake Superior1987 04180000 Lake Superiorestablished
276905 MIMasonLake Michigan1987 04190000 Lake Michiganunknown
276908 MIMasonLake Michigan1987 04190000 Lake Michiganunknown
276914 MISchoolcraftLake Michigan1987 04190000 Lake Michiganunknown
276915 MISchoolcraftLake Michigan1987 04190000 Lake Michiganunknown
4266 MN Lake Superior1987 04180000 Lake Superiorestablished
276068 NYMonroeLake Ontario, Northumberland County, Nearest Intersection: Hamlin Beach State Park.1987 04280002 Lake Ontariounknown
269026 ON Lake Superior, Michipoten Bay1987 04180000 Lake Superiorestablished
1337387 ON Eastern Lake Superior1987 04180000 Lake Superiorestablished
276071 ON Lake Ontario, Northumberland County1987 04280002 Lake Ontariounknown
276069 ON Lake Ontario, Northumberland County1987 04280002 Lake Ontariounknown
276070 ON Lake Ontario, Northumberland County1987 04280002 Lake Ontariounknown
276073 ON Lake Superior, Thunder Bay District, Nearest Landmark: Cloud Bay, KM1987 04180000 Lake Superiorunknown
276074 ON Lake Superior, Thunder Bay District, Nearest Landmark: Terrace Bay, KM1987 04180000 Lake Superiorunknown
157327 ONONTCloud Bay, northwestern Lake Superior1987 04180000 Lake Superiorestablished
Page:12

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/22/2026].

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