Bythotrephes longimanus
Bythotrephes longimanus
(spiny waterflea)
Crustaceans-Cladocerans
Exotic
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12 results for Bythotrephes longimanus (spiny waterflea)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
4266 MN Lake Superior1987 04180000 Lake Superiorestablished
4049 MN Lake Superior1988 04180000 Lake Superiorestablished
250343 MNCookLake Superior, EPA Station SU181998 04180000 Lake Superiorestablished
253183 MNCookLake Superior, EPA Station SU182002 04180000 Lake Superiorestablished
250344 MNCookLake Superior, EPA Station SU191998 04180000 Lake Superiorestablished
253184 MNCookLake Superior, EPA Station SU192001 04180000 Lake Superiorestablished
255263 MNCookLake Superior, EPA Station SU192002 04180000 Lake Superiorestablished
1709498 MNSt. LouisSt. Louis River2018 04180000 Lake Superior 
1709499 MNSt. LouisSt. Louis River2018 04180000 Lake Superior 
1709500 MNSt. LouisSt. Louis River2018 04180000 Lake Superior 
1709504 MNSt. LouisSt. Louis River2018 04180000 Lake Superior 
1709505 MNSt. LouisSt. Louis River2018 04180000 Lake Superior 

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.

Disclaimer:

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 [2/3/2026].

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