Bythotrephes longimanus

Spiny waterflea

Collection Information for Bythotrephes longimanus

Results limited to All Great Lakes Drainages.
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
160820OHLorainLake Erie at Lorain Harbor, Lorain198504260000Lake Erieestablished
160812OHErieLake Erie at Huron, OH, nearshore at the 6 to 12 m contour198504260000Lake Erieestablished
160803OHLorainLake Erie at Lorain, OH, nearshore at the 9 to 12 m contour198504260000Lake Erieestablished
160795OHCuyahogaLake Erie at Cleveland, OH, nearshore at the 9 to 12 m contour198504260000Lake Erieestablished
160787OHAshtabulaLake Erie at Ashtabula, OH, nearshore at the 6 to 12 m contour198504260000Lake Erieestablished
252866OHLakeLake Erie, EPA Station ER32199904260000Lake Erieestablished
255032OHLakeLake Erie, EPA Station ER32200204260000Lake Erieestablished
255031OHLakeLake Erie, EPA Station ER32200104260000Lake Erieestablished
250034OHLakeLake Erie, EPA Station ER32199804260000Lake Erieestablished
255033OHLakeLake Erie, EPA Station ER36200104260000Lake Erieestablished
250035OHLakeLake Erie, EPA Station ER36199804260000Lake Erieestablished
252987OHLakeLake Erie, EPA Station ER36199904260000Lake Erieestablished
250040OHOttawaLake Erie, EPA Station ER58199804260000Lake Erieestablished
252991OHCuyahogaLake Erie, EPA Station ER43199904260000Lake Erieestablished
255039OHCuyahogaLake Erie, EPA Station ER43200104260000Lake Erieestablished
250039OHCuyahogaLake Erie, EPA Station ER43199804260000Lake Erieestablished
255040OHCuyahogaLake Erie, EPA Station ER43200204260000Lake Erieestablished
250041OHLucasLake Erie, EPA Station ER59200104260000Lake Erieestablished
250042OHLucasLake Erie, USEPA Great Lakes National Program Office (GLNPO) monitoring station ER60199904260000Lake Erieestablished
255229OHLakeLake Erie, EPA Station ER78M200304260000Lake Erieestablished
255230OHLakeLake Erie, EPA Station ER78M200604260000Lake Erieestablished
250047OHLakeLake Erie, EPA Station ER78M199804260000Lake Erieestablished
255132OHLakeLake Erie, EPA Station ER78M200204260000Lake Erieestablished
252994OHLakeLake Erie, EPA Station ER78M199904260000Lake Erieestablished
255043OHLakeLake Erie, EPA Station ER78M200104260000Lake Erieestablished
276057OHAshtabulaLake Erie, Elgin County198504260000Lake Erieunknown
276058OHOttawaLake Erie, Elgin County198804260000Lake Erieunknown
276059OHErieLake Erie, Elgin County198804260000Lake Erieunknown
276061OHCuyahogaLake Erie, Elgin County198804260000Lake Erieunknown
160819OH Lake Erie, mid-lake in western and central basins, and westernmost portion of eastern basins198504260000Lake Erieestablished
1617599OHErieLake Erie, Sandusky Bay near Sandusky201904260000Lake Erieunknown

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