| Specimen ID | 242398 |
| Group | Fishes |
| Genus | Gambusia |
| Species | affinis |
| Common Name | Western Mosquitofish |
| State | IL |
| County | Cook |
| Locality | Winnetka, IL |
| Mapping Accuracy | Accurate |
| HUC8 Name | Chicago |
| HUC8 Number | 07120003 |
| HUC10 Name | North Branch Chicago River-Chicago Sanitary and Ship Canal |
| HUC10 Number | 0712000301 |
| HUC12 Name | Skokie River |
| HUC12 Number | 071200030101 |
| Map | |
| Collection Year | 1925 |
| Year Accuracy | Actual |
| Potential Pathway | stocked for biocontrol |
| Status | established |
| Reference 1 |
| Ref. Number: | 1415 |
| Author: | Krumholz, L.A. |
| Date: | 1948 |
| Title: | Reproduction in the western mosquitofish, Gambusia affinis affinis (Baird & Girard), and its use in mosquito control. |
| Journal: | Ecological Monographs |
| Volume: | 18 |
| Issue: | 1 |
| Pages: | 1-43 |
|
|
| Comments | Augmented the 1923 introduction into a private pond in Winnetka, IL. Descendent's of this stocking were still there in 1933 and provided the stock base for other introductions into Cook County, IL and southern Michigan |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
