Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Native Transplant

10 results for Gambusia affinis (Western Mosquitofish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
33265 ID Bear drainage1990 16010200 Lower Bearestablished
242506 ID Snake River below Shoshone Falls2007 17040212 Upper Snake-Rockestablished
33269 ID Snake River [drainage] above Shoshone Falls1990 17040000 Upper Snakeestablished
33487 IDAdaBoise River at Boise1980 17050114 Lower Boiseestablished
747956 IDCanyonSnake River nr Marsing.2003 17050103 Middle Snake-Succorestablished
33413 IDElmorefour ponds in Elmore County1974 17050100 Middle Snake-Boiseestablished
33412 IDElmorefour ponds in Elmore County1978 17050100 Middle Snake-Boiseestablished
33486 IDElmoreSnake River at C J Strike Reservoir1980 17050101 C.J. Strike Reservoirestablished
33488 IDNez PerceClearwater River near WA state line1980 17060306 Clearwaterestablished
33408 IDNez Percelevee ponds at Lewiston1978 17060306 Clearwatercollected

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 [7/21/2024].

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