| Specimen ID | 1886044 |
| Group | Coelenterates-Hydrozoans |
| Genus | Craspedacusta |
| Species | sowerbii |
| Common Name | freshwater jellyfish |
| State | NJ |
| County | Morris |
| Locality | Lake Denmark |
| Mapping Accuracy | Accurate |
| HUC8 Name | Hackensack-Passaic |
| HUC8 Number | 02030103 |
| HUC10 Name | Rockaway River |
| HUC10 Number | 0203010304 |
| HUC12 Name | Upper Rockaway River |
| HUC12 Number | 020301030401 |
| Map | |
| Collection Day | 29 |
| Collection Month | 8 |
| Collection Year | 2025 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker on waterfowl | hitch hiker on aquatic plants | hitch hiker with stocked fish |
| Comments | Lake Denmark off the boat ramp toward the spillway |
| Record Type | NAS sighting report |
| Verifier | Wesley Daniel (USGS) |
| Number Collected | 3000 |
