| Specimen ID | 1529858 |
| Group | Mammals |
| Genus | Myocastor |
| Species | coypus |
| Common Name | nutria |
| State | MA |
| County | Middlesex |
| Locality | Assabet River, west bank |
| Mapping Accuracy | Accurate |
| HUC8 Name | Concord River |
| HUC8 Number | 01070005 |
| HUC10 Name | Concord River |
| HUC10 Number | 0107000502 |
| HUC12 Name | North Brook-Assabet River |
| HUC12 Number | 010700050202 |
| Map
NAS ARM
| |
| Collection Day | 17 |
| Collection Month | 2 |
| Collection Year | 2019 |
| Year Accuracy | Actual |
| Potential Pathway | released pet | escaped captivity fur farm | dispersed |
| Status | unknown |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Photo | |
