| Specimen ID | 270555 |
| Group | Crustaceans-Mysids |
| Genus | Mysis |
| Species | diluviana |
| Common Name | opossum shrimp |
| State | MT |
| County | Lake |
| Locality | Swan Lake |
| Mapping Accuracy | Accurate |
| HUC8 Name | Swan |
| HUC8 Number | 17010211 |
| HUC10 Name | Lower Swan River |
| HUC10 Number | 1701021104 |
| HUC12 Name | Swan Lake |
| HUC12 Number | 170102110401 |
| Map | |
| Collection Year | 1968 |
| Year Accuracy | Actual |
| Potential Pathway | stocked for forage |
| Status | established |
| Reference 1 |
| Ref. Number: | 19382 |
| Author: | Byron, E. |
| Date: | 2010 |
| Title: | Canyon Ferry's balancing act. |
| Journal: | Montana Outdoors |
| Volume: | 2010 |
| Issue: | May/June |
| Pages: | 26-33 |
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| Comments | FWP stocked mysis in Swan and Whitefish lakes as food for kokanee salmon in 1968. |
| Record Type | Literature |
| Earliest Record | locale |
| Freshwater/Marine | Freshwater |
| Specimen Impact | The freshwater shrimp ended up downstream in Flathead Lake, where they directly competed with young kokanee and cutthroat trout for zooplankton,taking food from the very species they were intended to help. Kokanee and cutthroat populations crashed. |
