| Specimen ID | 270565 |
| Group | Crustaceans-Amphipods |
| Genus | Echinogammarus |
| Species | ischnus |
| Common Name | scud |
| Country | Canada |
| State | ON |
| Locality | St. Lawrence River, at Prescott, Ontario, Canada |
| Mapping Accuracy | Accurate |
| HUC8 Name | Headwaters St. Lawrence River |
| HUC8 Number | 04290001 |
| HUC10 Name | Headwaters St. Lawrence River |
| HUC10 Number | 0429000106 |
| HUC12 Name | 041503090000 |
| HUC12 Number | 042900010602 |
| Map | |
| Collection Day | 9 |
| Collection Month | 10 |
| Collection Year | 1997 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 16364 |
| Author: | Dermott, R., J. Witt, Y.M. Young, and M. Gonzalez |
| Date: | 1998 |
| Title: | Distribution of the Ponto-Caspian amphipod Echinogammarus ischnus in the Great Lakes and replacement of native Gammarus fasciatus. |
| Journal: | Journal of Great Lakes Research |
| Volume: | 24 |
| Issue: | 2 |
| Pages: | 442-452 |
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| Record Type | Literature |
| Freshwater/Marine | Freshwater |
