| Specimen ID | 272665 |
| Group | Fishes |
| Genus | Gambusia |
| Species | affinis |
| Common Name | Western Mosquitofish |
| State | CA |
| County | Humboldt |
| Locality | Eureka Slough, upper, Arcata Bay. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Mad-Redwood |
| HUC8 Number | 18010102 |
| HUC10 Name | Humboldt Bay-Frontal Pacific Ocean |
| HUC10 Number | 1801010206 |
| HUC12 Name | Humboldt Bay |
| HUC12 Number | 180101020605 |
| Map | |
| Collection Year | 2001 |
| Year Accuracy | Actual |
| Potential Pathway | shipping hull fouling |
| Status | established |
| Reference 1 |
| Ref. Number: | 13651 |
| Author: | Boyd, M.J., T.J. Mulligan, F.J. Shaughnessy. |
| Date: | 2002 |
| Title: | Non-indigenous marine species of Humboldt Bay, California. |
| Publisher: | A Report to the California Department of Fish and Game. |
| Pages: | 118 |
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| Comments | In essentially freshwater conditions near mouth of Freshwater Slough. |
| Record Type | Literature |
| Freshwater/Marine | Brackish-Freshwater |
