| Specimen ID | 1711184 |
| Group | Crustaceans-Cladocerans |
| Genus | Daphnia |
| Species | lumholtzi |
| Common Name | a waterflea |
| State | CA |
| County | Los Angeles |
| Locality | Castaic Lagoon |
| Mapping Accuracy | Accurate |
| HUC8 Name | Santa Clara |
| HUC8 Number | 18070102 |
| HUC10 Name | Castaic Creek |
| HUC10 Number | 1807010203 |
| HUC12 Name | Middle Castaic Creek |
| HUC12 Number | 180701020305 |
| Map | |
| Collection Day | 17 |
| Collection Month | 2 |
| Collection Year | 2023 |
| Year Accuracy | Actual |
| Potential Pathway | hitch hiker | dispersed |
| Comments | D. lumhotlzi specimens were observed in plankton tows collected at Castaic lagoon throughout the waterbody. Tows were collected for early detection monitoring of quagga/zebra mussels by the California Department of Fish and Wildlife. Tows were collected on 1/13/23 and microscopy observations were made on 2/17/23. |
| Record Type | NAS sighting report |
| Verifier | Joycelyn Ho (California Department of Fish and Wildlife) |
| Freshwater/Marine | Freshwater |