| Specimen ID | 290854 |
| Group | Fishes |
| Genus | Atractosteus |
| Species | spatula |
| Common Name | Alligator Gar |
| State | CA |
| County | Los Angeles |
| Locality | Arroyo Seco stream channel in Brookside Golf Course, Pasadena. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Los Angeles |
| HUC8 Number | 18070105 |
| HUC10 Name | Upper Los Angeles River |
| HUC10 Number | 1807010502 |
| HUC12 Name | Arroyo Seco |
| HUC12 Number | 180701050209 |
| Map | |
| Collection Day | 6 |
| Collection Month | 7 |
| Collection Year | 2012 |
| Year Accuracy | Actual |
| Potential Pathway | released aquarium |
| Status | failed |
| Comments | No other individuals found in immediate vicinity of capture location or downstream areas. |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
| Number Collected | 1 |
| Size | 51 cm TL |
| Photo | |
