Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Native Transplant

18 results for Gambusia affinis (Western Mosquitofish)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1427866 OHClermontEast Fork Little Miami River, dst Milford Parkway at New Finley Ray Park, 1 mile east of Terrace Park OH, Miami/Union township2012 05090202 Little Miamiestablished
1427905 OHCoshoctonWalhonding River, from confluence with Killbuck Creek to 1 mile ust confluence with Tuscarawas River, 3.5 miles east of Warsaw to 1.5 miles northeast of Coshocton OH, Bethlehem/Keene/Jackson townships2012 05040003 Walhondingestablished
1427933 OHGalliaOhio River, at gravel outwash at mouth of Hildebrand Run, 1 mile south of Eureka OH, Ohio township2012 05090101 Raccoon-Symmesestablished
1427907 OHMorganMuskingum River, at mouth of Doudna Run, 2.4 miles south southeast of McConnelsville OH, Malta township2012 05040004 Muskingumestablished
1427935 OHMorganMuskingum River, at mouth of Moores Run, 3.25 miles north northwest of Malta OH, Malta township2012 05040004 Muskingumestablished
1427883 OHMorganMuskingum River, below Rokeby Dam, southeast of Eagleport OH, Bloom township2012 05040004 Muskingumestablished
1427869 OHMorganMuskingum River, dst stockport at end long straight stretch as headed dst, 2.5 miles southeast of Stockport OH, Windsor township2012 05040004 Muskingumestablished
1427936 OHMuskingumMuskingum River, at mouth of Blunt Run dst Ellis Lock and Dam, 6 miles north of Zainesville OH, Muskingum/Washington township2012 05040004 Muskingumestablished
1427870 OHMuskingumMuskingum River, below Duncan Falls/Philo lock and dam, between Duncan Falls and Philo OH, Wayne/Harrison township line2012 05040004 Muskingumestablished
1427937 OHMuskingumMuskingum River, below lock and dam 10 dst the Y bridge, in Zanesville OH,2012 05040004 Muskingumestablished
1427885 OHMuskingumMuskingum River, below Zanesville lock and dam under the Y bridge, in Zanesville OH2012 05040004 Muskingumestablished
1427871 OHMuskingumMuskingum River, ust Philo Dam adjacent to SR 60, 1 mile west of Duncan Falls, Wayne township2012 05040004 Muskingumestablished
1427872 OHSciotoScioto River, from railroad bridge dst to US 52, west side of Porstmouth OH, Washington township2012 05060002 Lower Sciotoestablished
1427887 OHTuscarawasStillwater Creek, dst of Uhrich's Mill, in Uhrichsville OH, Mill township2012 05040001 Tuscarawasestablished
1427873 OHTuscarawasSugar Creek, ust of US 77, in Dover OH, Dover township2012 05040001 Tuscarawasestablished
1427912 OHTuscarawasTuscarawas River, at SR 259/21st St bridge, 3 miles southeast of New Philadelphia OH,2012 05040001 Tuscarawasestablished
1427940 OHWashingtonMuskingum River, adjacent to intersection of TR 123 and Muskingum River Rd/TR 32, 2.4 miles west northwest of Lowell OH, Adams township2012 05040004 Muskingumestablished
1427888 OHWashingtonMuskingum River, adjacent to SR 60 dst mouth of Coal Run, 0.5 miles dst Coal Run OH, Adams township2012 05040004 Muskingumestablished

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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/3/2024].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.