Gammarus fasciatus
Gammarus fasciatus
(a freshwater amphipod)
Crustaceans-Amphipods
Native Transplant

22 results for Gammarus fasciatus (a freshwater amphipod)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
157156 MI Lake Huron1874 04240002 Lake Huronestablished
157151 MIAlgerLake Superior, Munising1996 04180000 Lake Superiorestablished
1882594 MIBaySaginaw River2023 04080206 Saginawestablished
1882595 MIBaySaginaw River2023 04080206 Saginawestablished
1882596 MIBaySaginaw River2023 04080206 Saginawestablished
1882598 MIBaySaginaw River2023 04080206 Saginawestablished
1882593 MIBaySaginaw River2023 04080206 Saginawestablished
1882597 MIBaySaginaw River2023 04080206 Saginawestablished
1882599 MIBaySaginaw River2023 04080206 Saginawestablished
1882591 MIBaySaginaw River2023 04240002 Lake Huronestablished
1882592 MIBaySaginaw River2023 04240002 Lake Huronestablished
157150 MIChippewaLake Superior, at Sault Ste. Marie2001 04200002 St. Marysestablished
1710231 MIChippewaSt. Mary's River2015 04200002 St. Marys 
1710234 MIChippewaSt. Mary's River2015 04200002 St. Marys 
1710235 MIChippewaSt. Mary's River2015 04200002 St. Marys 
157153 MIKeweenawLake Superior, Copper Harbor2001 04180000 Lake Superiorestablished
157152 MIMarquetteLake Superior, Marquette2001 04180000 Lake Superiorestablished
279748 MIOttawaLake Michigan, Grand Rapids Water, Grand Rapids, Michigan1874 04190000 Lake Michiganestablished
1882576 MIWayneDetroit River2023 04090004 Detroitestablished
1882577 MIWayneDetroit River2023 04090004 Detroitestablished
1882578 MIWayneDetroit River2023 04090004 Detroitestablished
1882575 MIWayneDetroit River2023 04090004 Detroitestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.


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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/1/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.