Gambusia affinis
Gambusia affinis
(Western Mosquitofish)
Fishes
Native Transplant
Collection Info
Point Map
Species Profile
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28 results for Gambusia affinis (Western Mosquitofish)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
324272 AZPinalGila River and San Pedro River intersect1993 15050100 Middle Gilaestablished
324286 AZPinalGila River, Riverside1993 15050100 Middle Gilaestablished
324332 AZPinalLower Gila River, Box O Wash1993 15050100 Middle Gilaestablished
324299 AZPinalLower Gila River, Diamond A Ranch1993 15050100 Middle Gilaestablished
747903 CARiversideRiverside County: Corona; Temescal Creek at Auburndale Street1993 18070203 Santa Anaestablished
30465 CO Arkansas drainage1993 11020002 Upper Arkansasestablished
30464 CO Colorado drainage1993 14010001 Colorado Headwatersestablished
30467 CO Platte drainage1993 10190000 South Platteestablished
30466 CO Rio Grande drainage1993 13010001 Rio Grande Headwatersestablished
546789 NEBuffaloPlatte River, Rowe Sanctuary1993 10200101 Middle Platte-Buffaloestablished
546792 NEHitchcockRepublican River, Swanson Res. pool below dam1993 10250004 Upper Republicanestablished
546791 NELincolnSouth Platte River, 1s Sutherland, Hwy25 bridge1993 10190018 Lower South Platteestablished
546793 NEMorrillNorth Platte River, 1ssw Broadwater1993 10180009 Middle North Platte-Scotts Bluffestablished
1702428 NMSan JuanSan Juan river between Shiprock, NM and state boarder1993 14080105 Middle San Juan 
1702420 NMSan JuanSan Juan river near Colorado and New Mexico Border1993 14080105 Middle San Juan 
1702436 NMSan JuanSan Juan river near Shiprock, NM1993 14080105 Middle San Juan 
747765 OHFairfieldSouth Fork Licking River, Upstream State Route 791993 05040006 Lickingestablished
748072 OHMuskingumLicking, Muskingum, Ohio River, Dillon Lake @ most upstream boat ramp1993 05040006 Lickingestablished
237436 PRVillalbaToa Vaca Reservoir1993 21010004 Southern Puerto Ricoestablished
237437 PRVillalbaToa Vaca Reservoir on the Toa Vaca River in southern PR, just north of Guyabal1993 21010004 Southern Puerto Ricoestablished
860120 PRYaucoLucchetti Reservoir (Lago Lucchetti)1993 21010004 Southern Puerto Ricoestablished
43031 TN Barren drainage (in Tennessee)1993 05110002 Barrenestablished
268347 UTGarfieldColorado River, Cataract Canyon (RK 326-344)1993 14070001 Upper Lake Powellestablished
268345 UTSan JuanColorado River, above the confluence of the Green River (RK 0-80)1993 14030005 Upper Colorado-Kane Springsestablished
268346 UTSan JuanColorado River, from the confluence of the Colorado and Green Rivers to the first rapid in Cataract Canyon (RK 344-350)1993 14070001 Upper Lake Powellestablished
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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 [2/22/2026].

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.