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

9 results for Gambusia affinis (Western Mosquitofish)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
34163 KS Ninnescah River1945 11030016 Ninnescahcollected
44541 UTBox Eldermany localities north of Salt Lake City1945 16020300 Great Salt Lakeestablished
44538 UTDavismany localities north of Salt Lake City1945 16020300 Great Salt Lakeestablished
44540 UTMorganmany localities north of Salt Lake City1945 16020100 Weberestablished
44535 UTSalt LakeSalt Lake City and vicinity1945 16020204 Jordanestablished
44537 UTUtahPayson1945 16020202 Spanish Forkestablished
44536 UTUtahSaratoga Springs (Utah Lake?)1945 16020201 Utah Lakeestablished
44542 UTWashingtonsouthern Utah1945 15010000 Lower Colorado-Lake Meadestablished
44539 UTWebermany localities north of Salt Lake City1945 16020102 Lower Weberestablished

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 [2/19/2026].

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.