| Specimen ID | 237860 |
| Group | Fishes |
| Genus | Dorosoma |
| Species | petenense |
| Common Name | Threadfin Shad |
| State | PR |
| County | Utuado |
| Locality | Caonillas Reservoir |
| Mapping Accuracy | Accurate |
| HUC8 Name | Cibuco-Guajataca |
| HUC8 Number | 21010002 |
| HUC10 Name | Rio Grande de Arecibo Watershed |
| HUC10 Number | 2101000204 |
| HUC12 Name | Rio Caonillas at Lago Caonillas Dam |
| HUC12 Number | 210100020408 |
| Map | |
| Collection Month | 2 |
| Collection Year | 2007 |
| Year Accuracy | Actual |
| Potential Pathway | stocked for forage |
| Status | established |
| Record Type | Personal communication |
| Freshwater/Marine | Freshwater |
