| Specimen ID | 1657488 |
| Group | Mollusks-Bivalves |
| Genus | Dreissena |
| Species | rostriformis |
| Subspecies | bugensis |
| Common Name | quagga mussel |
| State | AZ |
| County | Coconino |
| Locality | Colorado River, Grand Canyon National Park |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lower Colorado-Marble Canyon |
| HUC8 Number | 15010001 |
| HUC10 Name | Bright Angel Creek-Colorado River |
| HUC10 Number | 1501000106 |
| HUC12 Name | Grapevine Creek-Colorado River |
| HUC12 Number | 150100010609 |
| Map
NAS ARM
| |
| Collection Month | 5 |
| Collection Year | 2021 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | hitch hiker on small watercraft |
| Status | established |
| Comments | Reported as spreading extensively in the area. |
| Record Type | Personal communication |
| Verifier | U.S. Geological Survey |
| Freshwater/Marine | Freshwater |
| Size | adult |
| Photo | |
