| Specimen ID | 237992 |
| Group | Fishes |
| Genus | Poecilia |
| Species | vivipara |
| Common Name | Guaru |
| State | PR |
| County | Trujillo Alto |
| Locality | Loiza River at Ferry landing at Loiza Aldea and near mouth; Atlantic Ocean Dr. |
| Mapping Accuracy | Approximate |
| HUC8 Name | Eastern Puerto Rico |
| HUC8 Number | 21010005 |
| HUC10 Number | 2101000504 |
| Map | |
| Collection Day | 19 |
| Collection Month | 6 |
| Collection Year | 1955 |
| Year Accuracy | Actual |
| Potential Pathway | stocked for biocontrol |
| Status | established |
| Record Type | Specimen |
| Disposal | University of Michigan Museum of Natural History |
| Museum Cat Number | UMMZ 172752 |
| Verifier | C. L. Smith |
| Freshwater/Marine | Brackish |
| Size | 9-46 mm SL |
| Number Preserved | 110 |
