| Specimen ID | 260636 |
| Group | Crustaceans-Crayfish |
| Genus | Pacifastacus |
| Species | leniusculus |
| Common Name | Signal Crayfish |
| State | CA |
| County | El Dorado |
| Locality | Lake Tahoe |
| Mapping Accuracy | Accurate |
| HUC8 Name | Lake Tahoe |
| HUC8 Number | 16050101 |
| HUC10 Name | Lake Tahoe |
| HUC10 Number | 1605010105 |
| HUC12 Name | Lake Tahoe |
| HUC12 Number | 160501010500 |
| Map | |
| Collection Year | 1916 |
| Year Accuracy | Actual |
| Potential Pathway | stocked |
| Status | established |
| Comments | P. leniusculus was found to be thriving in the lake proper in 1932. As many as 220 million estimated to be in the lake by 2011. Commercial fishing for them allowed on Nevada side. |
| Record Type | Literature |
| Earliest Record | drainage |
| Freshwater/Marine | Freshwater |
