Megacyclops viridis

A cyclopoid copepod

Collection Information for Megacyclops viridis

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)

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Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
240743MNSt. LouisLake Superior, Duluth Harbor199404180000Lake Superiorestablished

Citation for this information:
U.S. Geological Survey, 2026, Megacyclops viridis: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 6/4/2026