Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Fishes
Native Transplant
Collection Info
Point Map
Species Profile
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12 results for Gambusia affinis (Western Mosquitofish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1678614 AZMaricopa[No locality description provided]2019 15060106 Lower Salt 
302602 AZMaricopaArizona Canal1995 15060106 Lower Saltestablished
300061 AZMaricopaCentral Arizona Project Canal1970 15060106 Lower Saltestablished
163118 AZMaricopaPonds on Papago Golf Course in Papago Park, north Tempe1966 15060106 Lower Saltestablished
28023 AZMaricopaSalt River between Phoenix and Tempe1926 15060106 Lower Saltestablished
300052 AZMaricopaSalt River between Stewart Mtn. Dam and Granite Reef Diversion Dam1970 15060106 Lower Saltestablished
295441 AZMaricopaSalt River between Stewart Mtn. Dam and Granite Reef Diversion Dam2000 15060106 Lower Saltestablished
300068 AZMaricopaSalt River Project Canals1970 15060106 Lower Saltestablished
295461 AZMaricopaSalt River Project South Canal above Tempe and Consolidated canals2000 15060106 Lower Saltestablished
324195 AZMaricopaSalt River, Blue Point1996 15060106 Lower Saltestablished
302597 AZMaricopaSalt River, Stewart Mountain Dam1995 15060106 Lower Saltestablished
324199 AZMaricopaSouth Canal1996 15060106 Lower Saltestablished

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.

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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].

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