Bythotrephes longimanus

Spiny waterflea

Collection Information for Bythotrephes longimanus

Results limited to HUC #04010202.
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
4960MNSt. LouisCloquet River from Island Lake to the St. Louis River199704010202Cloquetestablished
1605725MNSt. Louis[No locality description provided]201504010202Cloquetestablished
1685503MNSt. Louis[no locality description provided]199004010202Cloquetunknown
1605726MNSt. Louis[No locality description provided]201504010202Cloquetestablished
1605727MNSt. Louis[No locality description provided]201504010202Cloquetestablished
1605728MNSt. Louis[No locality description provided]201504010202Cloquetestablished
1685504MNSt. Louis[no locality description provided]199004010202Cloquetunknown
1685507MNSt. Louis[no locality description provided]199004010202Cloquetunknown
1685510MNSt. LouisIsland Lake199504010202Cloquetunknown
1685511MNSt. LouisCloquet River199504010202Cloquetunknown
1685512MNSt. LouisFish Lake199504010202Cloquetunknown
1893325MNSt. LouisIsland Lake Reservoir202204010202Cloquetestablished
1893324MNSt. LouisIsland Lake Reservoir202104010202Cloquetestablished

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