| Specimen ID | 1322795 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | sp. |
| Common Name | a dreissenid mussel |
| State | MT |
| Locality | Tiber Reservoir [Lake Elwell] |
| Mapping Accuracy | Accurate |
| HUC8 Name | Marias |
| HUC8 Number | 10030203 |
| HUC10 Name | Dead Indian Coulee-Marias River |
| HUC10 Number | 1003020321 |
| HUC12 Name | Tiber Reservoir |
| HUC12 Number | 100302032102 |
| Map | |
| Collection Month | 11 |
| Collection Year | 2016 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on small watercraft | dispersed |
| Status | failed |
| Reference 1 |
| Ref. Number: | 29184 |
| Author: | Montana Fish, Wildlife and Parks |
| Date: | 2016 |
| Title: | Water samples test positive for invasive mussel larvae in Tiber Reservoir. |
| Publisher: | Montana Fish, Wildlife and Parks |
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| Comments | First positive test for larvae in the state. Specimen identified to Dreissena mussel. Montana FWP and USFWS divers spent 3 days in August 2017 and found no adults. A five year restriction was placed on the lake for boating. No additional detections in this waterbody. |
| Record Type | Literature |
| Verifier | Montana Fish, Wildlife and Parks |
| Freshwater/Marine | Freshwater |
| Year Class | veliger |
