| Specimen ID | 1464123 |
| Group | Crustaceans-Amphipods |
| Genus | Gammarus |
| Species | tigrinus |
| Common Name | tiger scud |
| State | IL |
| County | Alexander |
| Locality | Mississippi River |
| Mapping Accuracy | Accurate |
| HUC8 Name | Upper Mississippi-Cape Girardeau |
| HUC8 Number | 07140105 |
| HUC10 Name | Hobbs Creek-Mississippi River |
| HUC10 Number | 0714010508 |
| HUC12 Name | Horseshoe Lake-Mississippi River |
| HUC12 Number | 071401050804 |
| Map | |
| Collection Year | 2005 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker |
| Status | unknown |
| Reference 1 |
| Ref. Number: | 31483 |
| Author: | Angradi, T.R. |
| Date: | 2018 |
| Title: | Nonindigenous mollusks and amphipods in the upper Mississippi drainage. |
| Publisher: | US Environmental Protection Agency |
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| Reference 2 |
| Ref. Number: | 27544 |
| Author: | Grigorovich, I.A., T.R. Angradi, E.B. Emery, and M.S. Wooten. |
| Date: | 2008 |
| Title: | Invasion of the upper Mississippi River system by saltwater amphipods. |
| Journal: | Fundamental and Applied Limnology |
| Volume: | 173 |
| Issue: | 1 |
| Pages: | 67-77 |
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| Record Type | Literature |
| Verifier | U.S. Environmental Protection Agency |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
