| Specimen ID | 272376 |
| Group | Crustaceans-Amphipods |
| Genus | Gammarus |
| Species | tigrinus |
| Common Name | tiger scud |
| State | MN |
| County | St. Louis |
| Locality | Lake Superior, Duluth Harbor |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Superior |
| HUC8 Number | 04180000 |
| HUC10 Number | 0418000002 |
| HUC12 Number | 041800000200 |
| Map | |
| Collection Year | 1985 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 19520 |
| Author: | Trebitz, A.S., C.W. West, J.C. Hoffman, J.R. Kelly, G.S. Peterson, and I.A. Grigorovich |
| Date: | 2010 |
| Title: | Status of non-indigenous benthic invertebrates in the Duluth-Superior Harbor and the role of sampling methods in their detection. |
| Journal: | Journal of Great Lakes Research |
| Volume: | 36 |
| Issue: | 4 |
| Pages: | 747-756 |
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| Comments | disjoint distribution at low frequency in Allouez Bay and Spirit Lake but not in the more urban/industrial portions of the system between. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
