Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Native Transplant

8 results for Gambusia affinis (Western Mosquitofish)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
35804 MN state non-specific1958  collected
35805 MNAnoka 1958 07000000 Upper Mississippi Regionfailed
35806 MNHennepinHennepin County, ponds1958 07010200 Upper Mississippi-Crow-Rumfailed
35807 MNRamseyRamsey County, ponds1958 07010206 Twin Citiesfailed
35809 MNScottScott County, ponds1958 07020012 Lower Minnesotafailed
35810 MNWashingtonWashington County, ponds1958 07000000 Upper Mississippi Regionfailed
39156 NVPershingLovelock area1958 16040108 Lower Humboldtestablished
748094 ORJosephineIrrigation ditch 5 miles west of Grants Pass at Schutzwohl Farm1958 17100310 Lower Rogueestablished

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.


The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/6/2020].

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