Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Native Transplant

105 results for Gambusia affinis (Western Mosquitofish)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
27703 AZ upper Colorado drainage (level 2); widely stocked1980 14070006 Lower Lake Powellestablished
27701 AZ widely stocked in lower Colorado drainage (level 2)1980 15030104 Imperial Reservoirestablished
295556 AZ Gila River Basin2004  established
300048 AZ San Pedro River north of Mexican border1970 15050100 Middle Gilaestablished
27511 AZ state non-specific1926 15000000 Lower Colorado Regionestablished
27939 AZ state non-specific1961 15000000 Lower Colorado Regionestablished
27528 AZ state non-specific1973 15000000 Lower Colorado Regionestablished
27865 AZCochiseHouse Pond, San Bernardino National Wildlife Refuge1983 15080302 San Bernardino Valleyestablished
164004 AZCochiseLeslie Canyon National Wildlife Refuge2005 15080301 Whitewater Drawestablished
324369 AZCochiseMiddle San Pedro River, Hughes Ranch1992 15050202 Upper San Pedroestablished
324370 AZCochiseMiddle San Pedro River, Hughes Ranch1994 15050202 Upper San Pedroestablished
302592 AZCochiseMiddle San Pedro River, Hughes Ranch1995 15050202 Upper San Pedroestablished
324185 AZCochiseMiddle San Pedro River, Hughes Ranch1996 15050202 Upper San Pedroestablished
302593 AZCochiseMiddle San Pedro River, Soza Ranch1995 15050203 Lower San Pedroestablished
27863 AZCochiseSan Bernardino Creek1980 15080302 San Bernardino Valleyestablished
164007 AZCochiseSan Bernardino National Wildlife Refuge2005 15080302 San Bernardino Valleyestablished
747955 AZCochiseSan Pedro River.2003 15050202 Upper San Pedroestablished
302591 AZCochiseUpper San Pedro River, Charleston1995 15050202 Upper San Pedroestablished
324184 AZCochiseUpper San Pedro River, Charleston1996 15050202 Upper San Pedroestablished
302589 AZCochiseUpper San Pedro River, Hereford1995 15050202 Upper San Pedroestablished
324181 AZCochiseUpper San Pedro River, Hereford1996 15050202 Upper San Pedroestablished
302590 AZCochiseUpper San Pedro River, Lewis Springs1995 15050202 Upper San Pedroestablished
324182 AZCochiseUpper San Pedro River, Lewis Springs1996 15050202 Upper San Pedroestablished
324183 AZCochiseUpper San Pedro River, Lewis Springs1996 15050202 Upper San Pedroestablished
747954 AZGilaCherry Creek.2003 15060103 Upper 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.


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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [7/21/2024].

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.