Bythotrephes longimanus

Spiny waterflea

Collection Information for Bythotrephes longimanus

Results limited to HUC #04180000.
To see the collection list for the entire Great Lakes region, click here.
 To see the collection list for the entire United States, click here.
 Results also available in (click to export table to spreadsheet)

(click table headers to sort)
Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
4049MN Lake Superior198804180000Lake Superiorestablished
4266MN Lake Superior198704180000Lake Superiorestablished
250343MNCookLake Superior, EPA Station SU18199804180000Lake Superiorestablished
253183MNCookLake Superior, EPA Station SU18200204180000Lake Superiorestablished
253184MNCookLake Superior, EPA Station SU19200104180000Lake Superiorestablished
250344MNCookLake Superior, EPA Station SU19199804180000Lake Superiorestablished
255263MNCookLake Superior, EPA Station SU19200204180000Lake Superiorestablished
1709498MNSt. LouisSt. Louis River201804180000Lake Superior 
1709499MNSt. LouisSt. Louis River201804180000Lake Superior 
1709500MNSt. LouisSt. Louis River201804180000Lake Superior 
1709504MNSt. LouisSt. Louis River201804180000Lake Superior 
1709505MNSt. LouisSt. Louis River201804180000Lake Superior 

Citation for this information:
U.S. Geological Survey, 2026, Bythotrephes longimanus: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 1/11/2026