| Specimen ID | 1421401 |
| Group | Crustaceans-Amphipods |
| Genus | Echinogammarus |
| Species | ischnus |
| Common Name | scud |
| State | IL |
| County | Cook |
| Locality | Calumet Harbor, IL/IN |
| Mapping Accuracy | Accurate |
| HUC8 Name | Little Calumet-Galien |
| HUC8 Number | 04040001 |
| HUC10 Number | 0404000106 |
| HUC12 Number | 040400010606 |
| Map | |
| Collection Day | 13 |
| Collection Month | 9 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 30785 |
| Author: | Harris, B. |
| Date: | 2017 |
| Title: | Collection data on non-native aquatic species in Lake Michigan |
| Publisher: | U.S. Fish and Wildlife Service - Green Bay Fish and Wildlife Conservation Office |
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| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
