| Specimen ID | 237997 |
| Group | Fishes |
| Genus | Poecilia |
| Species | vivipara |
| Common Name | Guaru |
| State | PR |
| County | Salinas |
| Locality | Shallow black mangrove slough on N shore of Mar Negro, Jobos Bay |
| Mapping Accuracy | Approximate |
| HUC8 Name | Southern Puerto Rico |
| HUC8 Number | 21010004 |
| HUC10 Number | 2101000404 |
| Map | |
| Collection Day | 28 |
| Collection Month | 2 |
| Collection Year | 1973 |
| 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 198776 |
| Verifier | R. R. Miller & F. D. Martin |
| Freshwater/Marine | Brackish |
| Size | 8-32 mm SL |
| Number Preserved | 133 |
