Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Native Transplant

80 results for Gambusia affinis (Western Mosquitofish)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
748132 KSCheyenneArikaree River2006 10250001 Arikareeestablished
747837 KSCheyenneSouth Fork Republican River2003 10250003 South Fork Republicanestablished
747838 KSClaySection SW 1/4 17, Bridge S. of Clay Center on Hwy 241995 10250017 Lower Republicanestablished
747835 KSCloudMarsh Creek2002 10250017 Lower Republicanestablished
747836 KSGearyRepublican River2002 10250017 Lower Republicanestablished
747882 KSGearyRepublican River2003 10250017 Lower Republicanestablished
747876 KSRepublicMarsh Creek2002 10250017 Lower Republicanestablished
37443 NE Republican (HUC6) non-specific1998 10250000 Republicanestablished
747907 NEDundyRepublican River at Benkelman; T1N,R37W,Sec.17; Republican River1996 10250004 Upper Republicanestablished
546649 NEDundyRepublican River, Benkelman1996 10250004 Upper Republicanestablished
747833 NEDundyunspecified1997 10250002 North Fork Republicanestablished
748022 NEFranklinRepublican River2007 10250016 Middle Republicanestablished
747911 NEFrontier10 mi. N. McCook (Dundy Co.), Site-261; T5N,R29W,Sec.31,NW1/4ofSW1/4; UTM 14T 358631E 4468437N; Republican River2004 10250007 Red Willowestablished
546658 NEFrontierRed Willow Creek, Johnson site 2612004 10250007 Red Willowestablished
748070 NEFurnasRepublican River at Arapahoe; T4N,R23W,Sec.24-25; Republican River1995 10250009 Harlan County Reservoirestablished
747756 NEFurnasRepublican River At Cambridge Diversion; T4N,R25W,Sec.27; Republican River1995 10250009 Harlan County Reservoirestablished
747908 NEFurnasRepublican River At Oxford; T3N,R21W,Sec.6-8; Republican River1995 10250009 Harlan County Reservoirestablished
748183 NEFurnasRepublican River, 0.5 mi. S Edison1987 10250009 Harlan County Reservoirestablished
748253 NEFurnasRepublican River, 0.5 mi. SE Holbrook1987 10250009 Harlan County Reservoirestablished
748191 NEFurnasRepublican River, 1 mi. S Cambridge1987 10250009 Harlan County Reservoirestablished
748185 NEFurnasRepublican River, 1 mi. S Oxford1987 10250009 Harlan County Reservoirestablished
748252 NEFurnasRepublican River, 2.5 mi. E Cambridge1987 10250009 Harlan County Reservoirestablished
546634 NEFurnasRepublican River, Arapahoe1995 10250009 Harlan County Reservoirestablished
748254 NEFurnasRepublican River, at Route 283 bridge, 1.5 mi. S Arapahoe1987 10250009 Harlan County Reservoirestablished
546639 NEFurnasRepublican River, Cambridge Diversion Dam1995 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 [4/19/2021].

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.