Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Fishes
Native Transplant
Collection Info
Point Map
Species Profile
Animated Map

36 results for Gambusia affinis (Western Mosquitofish)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
259211 CALos AngelesLos Angeles River2007 18070105 Los Angelesestablished
242506 ID Snake River below Shoshone Falls2007 17040212 Upper Snake-Rockestablished
748010 NEAdamsBlue River2007 10270206 Upper Little Blueestablished
748009 NEClayBlue River2007 10270206 Upper Little Blueestablished
748022 NEFranklinRepublican River2007 10250016 Middle Republicanestablished
748021 NEHarlanRepublican River2007 10250009 Harlan County Reservoirestablished
747803 NENuckollsLittle Blue River2007 10270206 Upper Little Blueestablished
747804 NENuckollsRepublican River2007 10250016 Middle Republicanestablished
748015 NEThayerBlue River2007 10270206 Upper Little Blueestablished
1788178 NYQueens[No locality description provided]2007 02030102 Bronx 
1788179 NYQueens[No locality description provided]2007 02030102 Bronx 
1788180 NYQueens[No locality description provided]2007 02030102 Bronx 
1788181 NYQueensWillow Lake2007 02030102 Bronx 
1788182 NYQueensWillow Lake2007 02030102 Bronx 
748087 OHButlerGreat Miami River @ R.M. 36.72007 05080002 Lower Great Miami, Indiana, Ohioestablished
747743 OHFranklinScioto River @ R.M. 20.42007 05060001 Upper Sciotoestablished
748001 OHPikeScioto River @ R.M. 35.52007 05060002 Lower Sciotoestablished
748139 OHPikeScioto River @ R.M. 36.62007 05060002 Lower Sciotoestablished
1427938 OHPikeScioto River, ust US 23, north of Piketon, Pee Pee/Seal township2007 05060002 Lower Sciotoestablished
747745 OHRossScioto River @ R.M. 63.52007 05060002 Lower Sciotoestablished
748000 OHRossScioto River @ R.M. 85.42007 05060002 Lower Sciotoestablished
747885 OHSciotoScioto River @ R.M. 18.32007 05060002 Lower Sciotoestablished
747744 OHSciotoScioto River @ R.M. 19.62007 05060002 Lower Sciotoestablished
748119 OHSciotoScioto River @ R.M. 20.52007 05060002 Lower Sciotoestablished
748181 OHSciotoScioto River @ RM 4.82007 05060002 Lower Sciotoestablished
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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.

Disclaimer:

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/21/2026].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted.

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