| Specimen ID | 1651382 |
| Group | Coelenterates-Hydrozoans |
| Genus | Craspedacusta |
| Species | sowerbii |
| Common Name | freshwater jellyfish |
| State | MA |
| County | Worcester |
| Locality | George Nichols Reservoir |
| Mapping Accuracy | Accurate |
| HUC8 Name | Concord River |
| HUC8 Number | 01070005 |
| HUC10 Name | Concord River |
| HUC10 Number | 0107000502 |
| HUC12 Name | Headwaters Assabet River |
| HUC12 Number | 010700050201 |
| Map | |
| Collection Day | 9 |
| Collection Month | 8 |
| Collection Year | 2020 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | dispersed current |
| Status | established |
| Record Type | NAS sighting report |
| Verifier | Wesley Daniel (USGS) |
| Freshwater/Marine | Freshwater |
| Number Collected | 20 |
