Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Fishes
Native Transplant
Collection Info
Point Map
Species Profile
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8 results for Gambusia affinis (Western Mosquitofish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1895275 UTJuab[No locality description provided]2025 16020201 Utah Lake 
1895278 UTJuab[No locality description provided]2025 16020201 Utah Lake 
1895280 UTJuab[No locality description provided]2025 16020201 Utah Lake 
44535 UTSalt LakeSalt Lake City and vicinity1945 16020204 Jordanestablished
44543 UTTooelebubbling spring just off Lake Point at the north end of the Oquirrh Mountains along the southern margin of Great Salt Lake1942 16020204 Jordanestablished
44537 UTUtahPayson1945 16020202 Spanish Forkestablished
44536 UTUtahSaratoga Springs (Utah Lake?)1945 16020201 Utah Lakeestablished
44654 UTUtahwaters just SE of Utah Lake1980 16020201 Utah Lakeestablished

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 [2/23/2026].

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