Western Mosquitofish
Gambusia affinis (Baird & Girard, 1853)
Taxonomy
| Kingdom | Animalia |
|---|---|
| Phylum | Chordata |
| Class | Teleostei |
| Order | Cyprinodontiformes |
| Family | Poeciliidae |
| Genus | Gambusia |
| Species | Gambusia affinis (Baird & Girard, 1853) |
Description
Diagnostic characters
- Ecological class
- Accidental
Distribution
Range
Known from four counties across two states.
Continent
North America
Country
United States
States and provinces
Alabama, Florida
Counties
- Alabama
- Jackson, Morgan
- Florida
- Alachua, Levy
Conservation and management
IUCN Red List
LC Least Concern
Assessed in 2019.
NatureServe
G5 Secure
National ranks
- Canada
- NNA
- United States
- N5 Secure
Subnational ranks
- Ontario
- SNA Not Applicable
- Alberta
- SNA Not Applicable
- Arizona
- SNA Not Applicable
- Michigan
- SNA Not Applicable
- Oregon
- SNA Not Applicable
- Texas
- S5 Secure
- Georgia
- SNR Unranked
- Illinois
- S4 Apparently Secure
- California
- SNA Not Applicable
- Nevada
- SNA Not Applicable
- North Carolina
- SNA Not Applicable
- Mississippi
- S5 Secure
- Utah
- SNA Not Applicable
- Oklahoma
- SNR Unranked
- Florida
- SNR Unranked
- Idaho
- SNA Not Applicable
- Washington
- SNA Not Applicable
- Kentucky
- S4 Apparently Secure
- New Jersey
- SNA Not Applicable
- Wisconsin
- SNA Not Applicable
- Colorado
- SNA Not Applicable
- Indiana
- S5 Secure
- New Mexico
- SNA Not Applicable
- Tennessee
- S5 Secure
- Louisiana
- S5 Secure
- Iowa
- SNA Not Applicable
- Navajo Nation
- SNA Not Applicable
- Missouri
- SNR Unranked
- Nebraska
- SNA Not Applicable
- Pennsylvania
- SNA Not Applicable
- Alabama
- S5 Secure
- Montana
- SNA Not Applicable
- Arkansas
- S4 Apparently Secure
- Kansas
- SNA Not Applicable
- Wyoming
- SNA Not Applicable
State and federal status
Not listed under the U.S. Endangered Species Act
References
- Marshall, N. 1947. The spring run and cave habitats of Erimystax harperi (Fowler). Ecology 28: 68–75. doi:10.2307/1932919
- Niemiller, M.L., Anderson, C.L., Maxwell, E.C., Midgette, H., Quering, C., Richards, M., Wilson, K. & Wirwa, N. 2025. A noteworthy range extension of the federally endangered Alabama Cave Shrimp (Palaemonias alabamae) south of the Tennessee River in northern Alabama. Southeastern Naturalist 24: N47-N58. doi:10.1656/058.024.0403
How to cite this account
Gambusia affinis (Baird & Girard, 1853). Cave Biology Data Portal, account SP-2482. https://cavebiology.org/species/gambusia-affinis/ (accessed 7 September 2026).
Data sources and funding are listed in the Acknowledgments.
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