| Specimen ID | 237439 |
| Group | Fishes |
| Genus | Gambusia |
| Species | holbrooki |
| Common Name | Eastern Mosquitofish |
| State | PR |
| County | Santa Isabel |
| Locality | Coamo Reservoir |
| Mapping Accuracy | Accurate |
| HUC8 Name | Southern Puerto Rico |
| HUC8 Number | 21010004 |
| HUC10 Name | Rio Coamo to Rio Seco Watersheds |
| HUC10 Number | 2101000404 |
| HUC12 Name | Rio Coamo at Lago Coamo Dam |
| HUC12 Number | 210100040403 |
| Map | |
| Collection Year | 1925 |
| Year Accuracy | Actual |
| Potential Pathway | stocked for biocontrol |
| Status | established |
| Record Type | Specimen |
| Disposal | Smithsonian National Museum of Natural History |
| Museum Cat Number | USNM 88327 |
| Verifier | W. Earle |
| Freshwater/Marine | Freshwater |
| Number Preserved | 4 |
