| Specimen ID | 242397 |
| Group | Fishes |
| Genus | Gambusia |
| Species | affinis |
| Common Name | Western Mosquitofish |
| State | IL |
| Locality | state non-specific |
| Mapping Accuracy | Centroid |
| Centroid Type | State |
| Map | |
| Collection Year | 1979 |
| Year Accuracy | Publication Year |
| Potential Pathway | stocked for biocontrol |
| Status | established |
| Reference 1 |
| Ref. Number: | 105 |
| Author: | Smith, P.W. |
| Date: | 1979 |
| Title: | The fishes of Illinois. |
| Publisher: | University of Illinois Press |
| Pages: | 314 pp |
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| Comments | Native to the southern third of Illnois, G. affinis has become widespread through introductions; Smith 1979 states it is thus likely to be found almost anywhere in the state although severe winters may limit northern populations outside the natural range of the species. |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
