| Specimen ID | 1893421 |
| Group | Mollusks-Bivalves |
| Genus | Limnoperna |
| Species | fortunei |
| Common Name | Golden Mussel |
| State | CA |
| County | Contra Costa |
| Locality | Old River |
| Mapping Accuracy | Accurate |
| HUC8 Name | San Joaquin Delta |
| HUC8 Number | 18040003 |
| HUC10 Name | Old River |
| HUC10 Number | 1804000306 |
| HUC12 Name | Lower Old River |
| HUC12 Number | 180400030605 |
| Map | |
| Collection Day | 1 |
| Collection Month | 7 |
| Collection Year | 2025 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed | hitch hiker on small watercraft |
| Reference 1 |
| Ref. Number: | 46485 |
| Author: | California Department of Fish and Wildlife |
| Date: | 2025 |
| Title: | Detection records of Golden Mussel (Limnoperna fortunei) |
| Publisher: | California Department of Fish and Wildlife |
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| Comments | Location description: Rock Slough; Life stage: Veliger; Verification method: DNA |
| Record Type | Literature |
| Verifier | California Department of Fish and Wildlife |
| Freshwater/Marine | Freshwater |
