| Specimen ID | 237993 |
| Group | Fishes |
| Genus | Poecilia |
| Species | vivipara |
| Common Name | Guaru |
| State | PR |
| County | Bayamon |
| Locality | Bayamon River, old mouth at San Juan Bay in San Juan |
| Mapping Accuracy | Accurate |
| HUC8 Name | Eastern Puerto Rico |
| HUC8 Number | 21010005 |
| HUC10 Name | Bahia de San Juan-Atlantic Ocean |
| HUC10 Number | 2101000508 |
| HUC12 Name | Bahia de San Juan-Atlantic Ocean |
| HUC12 Number | 210100050800 |
| Map | |
| Collection Day | 24 |
| Collection Month | 7 |
| 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 172783 |
| Verifier | C. L. Smith |
| Freshwater/Marine | Brackish |
| Size | 30-47 mm SL |
| Number Preserved | 3 |
