Bythotrephes longimanus
Bythotrephes longimanus
(spiny waterflea)
Crustaceans-Cladocerans
Exotic
Collection Info
Point Map
Species Profile
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Impacts

18 results for Bythotrephes longimanus (spiny waterflea)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1893325 MNSt. LouisIsland Lake Reservoir2022 04010202 Cloquetestablished
1773750 NYOnondaga[No locality description provided]2022 04140201 Seneca 
1882249 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882250 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882251 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882252 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882253 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882254 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882255 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882256 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882257 QUE Fleuve Saint-Laurent2022 04290008 Raisin River-St. Lawrence River 
1882242 QUE Rivière Richelieu2022 04300109 Richelieu River 
1882243 QUE Rivière Richelieu2022 04300109 Richelieu River 
1882244 QUE Rivière Richelieu2022 04300109 Richelieu River 
1882245 QUE Rivière Richelieu2022 04300109 Richelieu River 
1882246 QUE Rivière Richelieu2022 04300109 Richelieu River 
1882247 QUE Rivière Richelieu2022 04300109 Richelieu River 
1882248 QUE Rivière Richelieu2022 04300109 Richelieu River 

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 [2/21/2026].

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