Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Native Transplant

26 results for Gambusia affinis (Western Mosquitofish)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
324369 AZCochiseMiddle San Pedro River, Hughes Ranch1992 15050202 Upper San Pedroestablished
324254 AZGilaGila River, Christmas1992 15050100 Middle Gilaestablished
324339 AZPimaSan Pedro River, Dudleyville Crossing1992 15050305 Aguirre Valleyestablished
324271 AZPinalGila River and San Pedro River intersect1992 15050100 Middle Gilaestablished
324285 AZPinalGila River, Riverside1992 15050100 Middle Gilaestablished
324331 AZPinalLower Gila River, Box O Wash1992 15050100 Middle Gilaestablished
324314 AZPinalLower Gila River, Cochran1992 15050100 Middle Gilaestablished
324298 AZPinalLower Gila River, Diamond A Ranch1992 15050100 Middle Gilaestablished
324356 AZPinalLower San Pedro River, Aravaipa Creek1992 15050203 Lower San Pedroestablished
324362 AZPinalSan Pedro River, San Manuel Crossing1992 15050203 Lower San Pedroestablished
32006 FLAlachuaGainesville1992 03080102 Oklawahafailed
34041 IN western part of state1992  established
748269 KSPottawatomiePottawatomie State Lake #2, at edge of cattail area.1992 10270205 Lower Big Blueestablished
748102 KSRenoCow Creek, North bank, 3 miles North of Yoder1992 11030011 Cowestablished
546769 NEBuffaloLake McConaughy1992 10200101 Middle Platte-Buffaloestablished
546678 NEBuffaloPlatte River, s Elm Creek1992 10200101 Middle Platte-Buffaloestablished
546787 NEColfaxLoup River1992 10200201 Lower Platte-Shellestablished
546679 NEDawsonPlatte River, s Gothenburg1992 10200101 Middle Platte-Buffaloestablished
546681 NEGardenNorth Platte River, 1.5s Oshkosh1992 10180009 Middle North Platte-Scotts Bluffestablished
546803 NEHallRepublican River1992 10200101 Middle Platte-Buffaloestablished
546680 NELincolnNorth Platte River, 3n Hershey1992 10180014 Lower North Platteestablished
546708 NELincolnPlatte River1992 10190018 Lower South Platteestablished
546788 NEMerrickLoup River1992 10200103 Middle Platte-Prairieestablished
860119 PRYaucoLucchetti Reservoir (Lago Lucchetti)1992 21010004 Southern Puerto Ricoestablished
44619 UT state non-specific1992  established

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.

Data are not available for download from the web site. Please contact NAS staff for a custom query.


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 [1/27/2020].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.