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

45 results for Gambusia affinis (Western Mosquitofish)
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Page:12
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
295556 AZ Gila River Basin2004  established
747960 AZGrahamGila River. Maps: 250K - Silver City, 24K - San Jose, 100K - Safford. Down stream mark - Town of San Jose.2004 15040005 Upper Gila-San Carlos Reservoirestablished
747957 AZMaricopaCampaign Creek2004 15060103 Upper Saltestablished
747959 AZPimaCienega Creek.2004 15050302 Rillitoestablished
274414 GU Masso River [unspecified location]2004 22010000 Guamunknown
274432 GU Sadog Gago River [unspecified location]2004 22010000 Guamunknown
274348 GU Almagosa drainage [unspecified location within drainage]2004 22010000 Guamunknown
274370 GU Chaot River [unspecified location]2004 22010000 Guamunknown
747849 KSHodgemanBuckner Creek2004 11030006 Bucknerestablished
747859 KSHodgemanBuckner Creek2004 11030006 Bucknerestablished
747843 KSHodgemanHackberry Creek2004 11030005 Pawneeestablished
747769 KSJohnsonKill Creek2004 10270104 Lower Kansas, Kansasestablished
747758 KSJohnsonKill Creek2004 10270104 Lower Kansas, Kansasestablished
747867 KSNessWalnut Creek2004 11030008 Lower Walnut Creekestablished
747870 KSNessWalnut Creek2004 11030008 Lower Walnut Creekestablished
747855 KSPawneePawnee River2004 11030005 Pawneeestablished
160064 NE state non-specific2004 10000000 Missouri Regionestablished
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
747913 NEGarden2 mi. S. Oshkosh, Site-107; T16N,R44W,Sec.3,SW1/4ofSE1/4; UTM 13T 721597E 4584435N; North Platte River2004 10180009 Middle North Platte-Scotts Bluffestablished
546611 NEGardenBlue Creek, Johnson site 1092004 10180009 Middle North Platte-Scotts Bluffestablished
546610 NEGardenNorth Platte River, Johnson site 1072004 10180009 Middle North Platte-Scotts Bluffestablished
747916 NEHayes7.5 mi. NE. Hayes Center, Site-94; T7N,R32W,Sec.11,SE1/4ofSW1/4; UTM 14T 337271E 4494145N; Republican River2004 10250007 Red Willowestablished
546614 NEHayesRed Willow Creek, Johnson site 942004 10250007 Red Willowestablished
747910 NEKeith0.5 mi. SW. Ogallala, Site-105; T13N,R39W,Sec.12,NE1/4ofNE1/4; UTM 14T 270576E 4555566N; South Platte River2004 10190018 Lower South Platteestablished
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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 [2/21/2026].

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.