Gambusia affinis

Western Mosquitofish

Collection Information for Gambusia affinis

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)

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Specimen IDStateCountyLocalityYearHUC NumberDrainage NameStatus
1892697MIAllegan[No locality description provided]202504050002Black-Macatawa 
1892698MIAllegan[No locality description provided]202504050002Black-Macatawa 
859935MIOaklandMinnow Pond Creek west of Farmington Road, Rouge River trib.201304090004Detroitunknown
35481MIMonroeMonroe County, SE corner198004260000Lake Erieestablished

Citation for this information:
U.S. Geological Survey, 2025, Gambusia affinis: U.S. Geological Survey, Nonindigenous Aquatic Species Database, Gainesville, FL, https://nas.er.usgs.gov, Access Date: 12/21/2025