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

18 results for Gambusia affinis (Western Mosquitofish)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1801273 AZMohaveLake Mead2016 15010005 Lake Mead 
1542537 ILWillRight descending wall downstream of dispersal barrier2016 07120004 Des Plainesestablished
1542163 ILWillRight descending wall, downstream of Cargill boat ramp2016 07120004 Des Plainesestablished
1650853 MOBarryBarry County, US-MO, US2016 11070207 Springestablished
1404932 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404933 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404934 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404935 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404936 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404937 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404938 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404939 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404940 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1404941 NVClarkLake Harriett- Spring Mountain Ranch State Park2016 15010015 Las Vegas Washeradicated
1322644 NVClarkSpring Mountain Ranch Pond2016 15010015 Las Vegas Washestablished
1257148 NYMontgomeryMohawk River, small bay on north side of river, near St. Johnsville2016 02020004 Mohawkunknown
1804488 NYNassau[No locality description provided]2016 02030202 Southern Long Island 
1804487 NYRichmond[No locality description provided]2016 02030104 Sandy Hook-Staten Island 

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 [2/21/2026].

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.