| Specimen ID | 1635379 |
| Group | Fishes |
| Genus | Cottus |
| Species | asper |
| Common Name | Prickly Sculpin |
| State | CA |
| County | Los Angeles |
| Locality | Confluence of Littlerock Creek and Santiago Canyon, approximately 300 meters above Littlerock Reservoir. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Antelope-Fremont Valleys |
| HUC8 Number | 18090206 |
| HUC10 Name | Little Rock Wash |
| HUC10 Number | 1809020611 |
| HUC12 Name | Lower Little Rock Creek |
| HUC12 Number | 180902061102 |
| Map | |
| Collection Day | 31 |
| Collection Month | 5 |
| Collection Year | 2018 |
| Year Accuracy | Actual |
| Potential Pathway | canal |
| Status | established |
| Comments | Identification verified using fin ray counts specified in Page and Burr 1991. |
| Record Type | NAS sighting report |
| Freshwater/Marine | Freshwater |
| Number Collected | 500 |
| Number Preserved | 30 |
| Photo | |