Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Native Transplant

87 results for Gambusia affinis (Western Mosquitofish)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
302592 AZCochiseMiddle San Pedro River, Hughes Ranch1995 15050202 Upper San Pedroestablished
302593 AZCochiseMiddle San Pedro River, Soza Ranch1995 15050203 Lower San Pedroestablished
302591 AZCochiseUpper San Pedro River, Charleston1995 15050202 Upper San Pedroestablished
302589 AZCochiseUpper San Pedro River, Hereford1995 15050202 Upper San Pedroestablished
302590 AZCochiseUpper San Pedro River, Lewis Springs1995 15050202 Upper San Pedroestablished
302602 AZMaricopaArizona Canal1995 15060106 Lower Saltestablished
302597 AZMaricopaSalt River, Stewart Mountain Dam1995 15060106 Lower Saltestablished
302594 AZPinalLower San Pedro River, Aravaipa Creek1995 15050203 Lower San Pedroestablished
302596 AZPinalLower San Pedro River, mouth1995 15050100 Middle Gilaestablished
302595 AZPinalLower San Pedro River, Swingle Wash1995 15050203 Lower San Pedroestablished
302588 AZPinalUpper Gila River, Hook & Line Ranch1995 15050100 Middle Gilaestablished
565132 CALakeClear Lake1995 18020116 Upper Cacheestablished
748273 KSChaseCottonwood River, approx. 4 mi. W of Cottonwood Falls1995 11070203 Lower Cottonwoodestablished
748272 KSChaseDiamond Creek, approx. 5 mi. NW of Cottonwood Falls1995 11070203 Lower Cottonwoodestablished
748270 KSChaseFox Creek, 4 mi. N of Cottonwood Falls1995 11070203 Lower Cottonwoodestablished
748274 KSChaseSouth Fork Cottonwood River, approx. 3 mi. SE of Cottonwood Falls1995 11070203 Lower Cottonwoodestablished
747838 KSClaySection SW 1/4 17, Bridge S. of Clay Center on Hwy 241995 10250017 Lower Republicanestablished
747993 KSRussellon Hwy 281, five miles south of Russell, KS (interstAte 70 in Russell) (WJM2827)1995 10260006 Middle Smoky Hillestablished
546752 NEBuffaloLake McConaughy1995 10200101 Middle Platte-Buffaloestablished
546650 NECusterWood River1995 10200101 Middle Platte-Buffaloestablished
546651 NEDeuelPlatte River1995 10190018 Lower South Platteestablished
546819 NEDeuelSouth Platte River, .6s Big Springs1995 10190018 Lower South Platteestablished
546820 NEDeuelSouth Platte River, at Western Canal1995 10190018 Lower South Platteestablished
546751 NEDodgePlatte River, North Bend1995 10200202 Lower Platteestablished
748070 NEFurnasRepublican River at Arapahoe; T4N,R23W,Sec.24-25; Republican River1995 10250009 Harlan County Reservoirestablished

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. [2021]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/16/2021].

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 queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.