Fish Map

Western Mosquitofish - Gambusia affinis
Native Fish

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HUC CodeWatershed NameOccurrenceSource
03130002Middle Chattahoochee-Lake HardingCurrentNatureServe
03130003Middle Chattahoochee-Walter F. George ReservoirCurrentNatureServe
03130004Lower ChattahoocheeCurrentNatureServe
03130012ChipolaCurrentNatureServe
03140103YellowCurrentNatureServe
03140104BlackwaterCurrentNatureServe
03140106PerdidoCurrentNatureServe
03140107Perdido BayCurrentNatureServe
03140201Upper ChoctawhatcheeCurrentNatureServe
03140202PeaCurrentNatureServe
03140203Lower ChoctawatcheeCurrentNatureServe
03140301Upper ConecuhCurrentNatureServe
03140302PatsaligaCurrentNatureServe
03140303SepulgaCurrentNatureServe
03140304Lower ConecuhCurrentNatureServe
03140305EscambiaCurrentNatureServe
03150101ConasaugaCurrentNatureServe
03150105Upper CoosaCurrentNatureServe
03150106Middle CoosaCurrentNatureServe
03150107Lower CoosaCurrentNatureServe
03150108Upper TallapoosaCurrentNatureServe
03150109Middle TallapoosaCurrentNatureServe
03150110Lower TallapoosaCurrentNatureServe
03150201Upper AlabamaCurrentNatureServe
03150202CahabaCurrentNatureServe
03150203Middle AlabamaCurrentNatureServe
03150204Lower AlabamaCurrentNatureServe
03160101Upper TombigbeeCurrentNatureServe
03160102TownCurrentNatureServe
03160103ButtahatcheeCurrentNatureServe
03160104TibbeeCurrentNatureServe
03160105LuxapallilaCurrentNatureServe
03160106Middle Tombigbee-LubbubCurrentNatureServe
03160107SipseyCurrentNatureServe
03160108NoxubeeCurrentNatureServe
03160109MulberryCurrentNatureServe
03160110Sipsey ForkCurrentNatureServe
03160111LocustCurrentNatureServe
03160112Upper Black WarriorCurrentNatureServe
03160113Lower Black WarriorCurrentNatureServe
03160201Middle Tombigbee-ChickasawCurrentNatureServe
03160202SucarnoocheeCurrentNatureServe
03160203Lower TombigbeeCurrentNatureServe
03160204Mobile-TensawCurrentNatureServe
03160205Mobile BayCurrentNatureServe
03170001Chunky-OkatibbeeCurrentNatureServe
03170002Upper ChickasawhayCurrentNatureServe
03170003Lower ChickasawhayCurrentNatureServe
03170004Upper LeafCurrentNatureServe
03170005Lower LeafCurrentNatureServe
03170006PascagoulaCurrentNatureServe
03170007BlackCurrentNatureServe
03170008EscatawpaCurrentNatureServe
03170009Mississippi CoastalCurrentNatureServe
03180001Upper PearlCurrentNatureServe
03180002Middle Pearl-StrongCurrentNatureServe
03180003Middle Pearl-SilverCurrentNatureServe
03180004Lower PearlCurrentNatureServe
03180005Bogue ChittoCurrentNatureServe
05090103Little Scioto-TygartsCurrentNatureServe
05100101LickingCurrentNatureServe
05100102South Fork LickingCurrentNatureServe
05100205Lower KentuckyCurrentNatureServe
05110001Upper GreenCurrentNatureServe
05110002BarrenCurrentNatureServe
05110003Middle GreenCurrentNatureServe
05110004RoughCurrentNatureServe
05110005Lower GreenCurrentNatureServe
05110006PondCurrentNatureServe
05120108Middle Wabash-Little VermilionCurrentNatureServe
05120111Middle Wabash-BusseronHistoricNatureServe
05120112EmbarrasCurrentNatureServe
05120113Lower WabashCurrentNatureServe
05120114Little WabashCurrentNatureServe
05120115SkilletCurrentNatureServe
05120202Lower WhiteCurrentNatureServe
05120209PatokaCurrentNatureServe
05130101Upper CumberlandCurrentNatureServe
05130103Upper Cumberland-Lake CumberlandCurrentNatureServe
05130106Upper Cumberland-Cordell Hull ReservoirCurrentNatureServe
05130107CollinsCurrentNatureServe
05130108CaneyCurrentNatureServe
05130201Lower Cumberland-Old Hickory LakeCurrentNatureServe
05130202Lower Cumberland-SycamoreCurrentNatureServe
05130203StonesCurrentNatureServe
05130204HarpethCurrentNatureServe
05130205Lower CumberlandCurrentNatureServe
05130206RedCurrentNatureServe
05140101Silver-Little KentuckyCurrentNatureServe
05140103Rolling ForkCurrentNatureServe
05140201Lower Ohio-Little PigeonCurrentNatureServe
05140202Highland-PigeonCurrentNatureServe
05140203Lower Ohio-BayCurrentNatureServe
05140204SalineCurrentNatureServe
05140205TradewaterCurrentNatureServe
05140206Lower OhioCurrentNatureServe
06010104HolstonCurrentNatureServe
06010107Lower French BroadCurrentNatureServe
06010108NolichuckyCurrentNatureServe
06010201Watts Bar LakeCurrentNatureServe
06010204Lower Little TennesseeCurrentNatureServe
06010207PowellCurrentNatureServe
06010208EmoryCurrentNatureServe
06020001Middle Tennessee-ChickamaugaCurrentNatureServe
06020002HiwasseeCurrentNatureServe
06020003OcoeeCurrentNatureServe
06020004SequatchieCurrentNatureServe
06030001Guntersville LakeCurrentNatureServe
06030002Wheeler LakeCurrentNatureServe
06030003Upper ElkCurrentNatureServe
06030004Lower ElkCurrentNatureServe
06030005Pickwick LakeCurrentNatureServe
06030006BearCurrentNatureServe
06040001Lower Tennessee-BeechCurrentNatureServe
06040002Upper DuckCurrentNatureServe
06040003Lower DuckCurrentNatureServe
06040004BuffaloCurrentNatureServe
06040005Kentucky LakeCurrentNatureServe
06040006Lower TennesseeCurrentNatureServe
07090007GreenCurrentNatureServe
07110001Bear-WyacondaCurrentNatureServe
07110002North FabiusCurrentNatureServe
07110003South FabiusCurrentNatureServe
07110004The SnyCurrentNatureServe
07110006South Fork SaltCurrentNatureServe
07110007SaltCurrentNatureServe
07110008CuivreCurrentNatureServe
07110009Peruque-PiasaCurrentNatureServe
07120001KankakeeCurrentNatureServe
07120003ChicagoCurrentNatureServe
07120004Des PlainesCurrentNatureServe
07120005Upper IllinoisCurrentNatureServe
07130001Lower Illinois-Senachwine LakeCurrentNatureServe
07130003Lower Illinois-Lake ChautauquaCurrentNatureServe
07130008Lower SangamonCurrentNatureServe
07130009SaltHistoricNatureServe
07130011Lower IllinoisCurrentNatureServe
07140101Cahokia-JoachimCurrentNatureServe
07140102MeramecCurrentNatureServe
07140103BourbeuseCurrentNatureServe
07140105Upper Mississippi-Cape GirardeauCurrentNatureServe
07140106Big MuddyCurrentNatureServe
07140107WhitewaterCurrentNatureServe
07140108CacheCurrentNatureServe
07140202Middle KaskaskiaHistoricNatureServe
07140203ShoalCurrentNatureServe
07140204Lower KaskaskiaCurrentNatureServe
08010100Lower Mississippi-MemphisCurrentNatureServe
08010201Bayou De Chien-MayfieldCurrentNatureServe
08010202ObionCurrentNatureServe
08010203South Fork ObionCurrentNatureServe
08010204North Fork Forked DeerCurrentNatureServe
08010205South Fork Forked DeerCurrentNatureServe
08010206Forked DeerCurrentNatureServe
08010207Upper HatchieCurrentNatureServe
08010208Lower HatchieCurrentNatureServe
08010209LoosahatchieCurrentNatureServe
08010210WolfCurrentNatureServe
08010211Horn Lake-NonconnahHistoricNatureServe
08020100Lower Mississippi-HelenaCurrentNatureServe
08020201New Madrid-St. JohnsCurrentNatureServe
08020202Upper St. FrancisCurrentNatureServe
08020203Lower St. FrancisCurrentNatureServe
08020204Little River DitchesCurrentNatureServe
08020205LAnguilleCurrentNatureServe
08020301Lower White-Bayou Des ArcCurrentNatureServe
08020302CacheCurrentNatureServe
08020303Lower WhiteCurrentNatureServe
08020304BigCurrentNatureServe
08020401Lower ArkansasCurrentNatureServe
08020402Bayou MetoCurrentNatureServe
08030100Lower Mississippi-GreenvilleCurrentNatureServe
08030201Little TallahatchieCurrentNatureServe
08030202TallahatchieCurrentNatureServe
08030203YoconaCurrentNatureServe
08030204ColdwaterCurrentNatureServe
08030205YalobushaCurrentNatureServe
08030206Upper YazooCurrentNatureServe
08030207Big SunflowerCurrentNatureServe
08030208Lower YazooCurrentNatureServe
08030209Deer-SteeleCurrentNatureServe
08040101Ouachita HeadwatersCurrentNatureServe
08040102Upper OuachitaCurrentNatureServe
08040103Little MissouriCurrentNatureServe
08040201Lower Ouachita-SmackoverCurrentNatureServe
08040202Lower Ouachita-Bayou De LoutreCurrentNatureServe
08040203Upper SalineCurrentNatureServe
08040204Lower SalineCurrentNatureServe
08040205Bayou BartholomewCurrentNatureServe
08040206Bayou DArbonneCurrentNatureServe
08040207Lower OuachitaCurrentNatureServe
08040301Lower RedCurrentNatureServe
08040302CastorCurrentNatureServe
08040303DugdemonaCurrentNatureServe
08040304LittleCurrentNatureServe
08040305BlackCurrentNatureServe
08040306Bayou CocodrieCurrentNatureServe
08050001BoeufCurrentNatureServe
08050002Bayou MaconCurrentNatureServe
08050003TensasCurrentNatureServe
08060100Lower Mississippi-NatchezCurrentNatureServe
08060201Upper Big BlackCurrentNatureServe
08060202Lower Big BlackCurrentNatureServe
08060203Bayou PierreCurrentNatureServe
08060204Coles CreekCurrentNatureServe
08060205HomochittoCurrentNatureServe
08060206BuffaloCurrentNatureServe
08070100Lower Mississippi-Baton RougeCurrentNatureServe
08070201Bayou Sara-ThompsonCurrentNatureServe
08070202AmiteCurrentNatureServe
08070203TickpawCurrentNatureServe
08070204Lake MaurepasCurrentNatureServe
08070205TangipahoaCurrentNatureServe
08070300Lower GrandCurrentNatureServe
08080101AtchafalayaCurrentNatureServe
08080102Bayou TecheCurrentNatureServe
08080103VermillionCurrentNatureServe
08080201Mermentau HeadwatersCurrentNatureServe
08080202MermentauCurrentNatureServe
08080203Upper CalcasieuCurrentNatureServe
08080204Whiskey ChittoCurrentNatureServe
08080205West Fork CalcasieuCurrentNatureServe
08080206Lower CalcasieuCurrentNatureServe
08090100Lower Mississippi-New OrleansCurrentNatureServe
08090201Liberty Bayou-TchefunctaCurrentNatureServe
08090203Eastern Louisiana CoastalCurrentNatureServe
08090301East Central Louisiana CoastalCurrentNatureServe
08090302West Central Louisiana CoastalCurrentNatureServe
10240011Independence-SugarCurrentNatureServe
10240012PlatteCurrentNatureServe
10280101Upper GrandCurrentNatureServe
10280202Lower CharitonCurrentNatureServe
10280203Little CharitonCurrentNatureServe
10290102Lower Marais Des CygnesCurrentNatureServe
10290103Little OsageCurrentNatureServe
10290104MarmatonCurrentNatureServe
10290105Harry S. MissouriCurrentNatureServe
10290107Pomme De TerreCurrentNatureServe
10290108South GrandCurrentNatureServe
10290111Lower OsageCurrentNatureServe
10290201Upper CasconadeCurrentNatureServe
10290202Big PineyCurrentNatureServe
10290203Lower GasconadeCurrentNatureServe
10300101Lower Missouri-CrookedCurrentNatureServe
10300102Lower Missouri-MoreauCurrentNatureServe
10300103LamineCurrentNatureServe
10300200Lower MissouriCurrentNatureServe
11010001Beaver ReservoirCurrentNatureServe
11010003Bull Shoals LakeCurrentNatureServe
11010004Middle WhiteCurrentNatureServe
11010006North Fork WhiteCurrentNatureServe
11010007Upper BlackCurrentNatureServe
11010008CurrentCurrentNatureServe
11010009Lower BlackCurrentNatureServe
11010010SpringCurrentNatureServe
11010012StrawberryCurrentNatureServe
11010013Upper White-VillageCurrentNatureServe
11010014Little RedCurrentNatureServe
11030001Middle Arkansas-Lake McKinneyCurrentNatureServe
11030004Coon-PickerelCurrentNatureServe
11030009RattlesnakeCurrentNatureServe
11030010Gar-PeaceCurrentNatureServe
11030013Middle Arkansas-SlateCurrentNatureServe
11030014North Fork NinnescahCurrentNatureServe
11030015South Fork NinnescahCurrentNatureServe
11030016NinnescahCurrentNatureServe
11030017Upper Walnut RiverCurrentNatureServe
11030018Lower Walnut RiverCurrentNatureServe
11040002Upper CimarronCurrentNatureServe
11040006Upper Cimarron-LiberalCurrentNatureServe
11040007CrookedCurrentNatureServe
11040008Upper Cimarron-BluffCurrentNatureServe
11050001Lower Cimarron-Eagle ChiefCurrentNatureServe
11050002Lower Cimarron-SkeletonCurrentNatureServe
11050003Lower CimarronCurrentNatureServe
11060001Kaw LakeCurrentNatureServe
11060002Upper Salt Fork ArkansasCurrentNatureServe
11060003Medicine LodgeCurrentNatureServe
11060004Lower Salt Fork ArkansasCurrentNatureServe
11060005ChikaskiaCurrentNatureServe
11060006Black Bear-Red RockCurrentNatureServe
11070101Upper VerdigrisCurrentNatureServe
11070102FallCurrentNatureServe
11070103Middle VerdigrisCurrentNatureServe
11070104ElkCurrentNatureServe
11070105Lower VerdigrisCurrentNatureServe
11070106CaneyCurrentNatureServe
11070107BirdCurrentNatureServe
11070201Neosho HeadwatersCurrentNatureServe
11070204Upper NeoshoCurrentNatureServe
11070205Middle NeoshoCurrentNatureServe
11070206Lake O CherokeesCurrentNatureServe
11070207SpringCurrentNatureServe
11070208ElkCurrentNatureServe
11070209Lower NeoshoCurrentNatureServe
11080006Upper Canadian-Ute ReservoirCurrentNatureServe
11090201Lower Canadian-DeerCurrentNatureServe
11090202Lower Canadian-WalnutCurrentNatureServe
11090203LittleCurrentNatureServe
11090204Lower CanadianCurrentNatureServe
11100101Upper BeaverCurrentNatureServe
11100102Middle BeaverCurrentNatureServe
11100103ColdwaterCurrentNatureServe
11100104Palo DuroCurrentNatureServe
11100201Lower BeaverCurrentNatureServe
11100301Middle North CanadianCurrentNatureServe
11100302Lower North CanadianCurrentNatureServe
11100303Deep ForkCurrentNatureServe
11110101Polecat-SnakeCurrentNatureServe
11110102Dirty-GreenleafCurrentNatureServe
11110103IllinoisCurrentNatureServe
11110104Robert S. Kerr ReservoirCurrentNatureServe
11110105PoteauCurrentNatureServe
11110201Frog-MulberryCurrentNatureServe
11110202Dardanelle ReservoirCurrentNatureServe
11110203Lake Conway-Point RemoveCurrentNatureServe
11110204Petit JeanCurrentNatureServe
11110205CadronCurrentNatureServe
11110206Fourche La FaveCurrentNatureServe
11110207Lower Arkansas-MaumelleCurrentNatureServe
11120202Lower Salt Fork RedCurrentNatureServe
11120302Middle North Fork RedCurrentNatureServe
11120303Lower North Fork RedCurrentNatureServe
11120304Elm Fork RedCurrentNatureServe
11130101Groesbeck-SandyCurrentNatureServe
11130102Blue-ChinaCurrentNatureServe
11130201Farmers-MudCurrentNatureServe
11130202CacheCurrentNatureServe
11130203West CacheCurrentNatureServe
11130208Norhtern BeaverCurrentNatureServe
11130210Lake TexomaCurrentNatureServe
11130301Washita HeadwatersCurrentNatureServe
11130302Upper WashitaCurrentNatureServe
11130303Middle WashitaCurrentNatureServe
11130304Lower WashitaCurrentNatureServe
11140101Bois D Arc-IslandCurrentNatureServe
11140102BlueCurrentNatureServe
11140103Muddy BoggyCurrentNatureServe
11140104Clear BoggyCurrentNatureServe
11140105KiamichiCurrentNatureServe
11140106Pecan-WaterholeCurrentNatureServe
11140107Upper LittleCurrentNatureServe
11140108Mountain ForkCurrentNatureServe
11140109Lower Little ArkansasCurrentNatureServe
11140201McKinney-Posten BayousCurrentNatureServe
11140202Middle Red-CoushattaCurrentNatureServe
11140203Loggy BayouCurrentNatureServe
11140204Red ChuteCurrentNatureServe
11140205Bodcau BayouCurrentNatureServe
11140206Bayou PierreCurrentNatureServe
11140207Lower Red-Lake LattCurrentNatureServe
11140208Saline BayouCurrentNatureServe
11140209Black Lake BayouCurrentNatureServe
11140302Lower SulferCurrentNatureServe
11140304Cross BayouCurrentNatureServe
12010004Toledo Bend ReservoirCurrentNatureServe
12010005Lower SabineCurrentNatureServe
12020001Upper NechesCurrentNatureServe
12020002Middle NechesCurrentNatureServe
12020004Upper AngelinaCurrentNatureServe
12020005Lower AngelinaCurrentNatureServe
12030101Upper West Fork TrinityCurrentNatureServe
12030102Lower West Fork TrinityCurrentNatureServe
12030103Elm Fork TrinityCurrentNatureServe
12030104DentonCurrentNatureServe
12040201Sabine LakeCurrentNatureServe
12070101Lower Brazos-Little BrazosCurrentNatureServe
12070103NavasotaCurrentNatureServe
12090301Lower Colorado-CumminsCurrentNatureServe
12100201Upper GuadalupeCurrentNatureServe
12100202Middle GuadalupeCurrentNatureServe
12100203San MarcosCurrentNatureServe
12100204Lower GuadalupeCurrentNatureServe
12100301Upper San AntonioCurrentNatureServe
12100302MedinaCurrentNatureServe
12100303Lower San AntonioCurrentNatureServe
12100304CiboloCurrentNatureServe
12110106Upper FrioCurrentNatureServe
12110107HondoCurrentNatureServe
12110108Lower FrioCurrentNatureServe
12110109San MiguelCurrentNatureServe
12110110AtascosaCurrentNatureServe
12110111Lower NuecesCurrentNatureServe
12110208South Laguna MadreCurrentNatureServe
13020101Upper Rio GrandeCurrentNatureServe
13020201Rio Grande-Santa FeCurrentNatureServe
13020202JemezHistoricNatureServe
13020203Rio Grande-AlbuquerqueCurrentNatureServe
13020211Elephant Butte ReservoirCurrentNatureServe
13030101CaballoHistoricNatureServe
13030102El Paso-Las CrucesCurrentNatureServe
13040100Rio Grande-Fort QuitmanCurrentNatureServe
13040201Cibolo-Red LightCurrentNatureServe
13040203Black Hills-FresnoCurrentNatureServe
13040205Big BendCurrentNatureServe
13040208Reagan-SandersonCurrentNatureServe
13040212Amistad ReservoirCurrentNatureServe
13060001Pecos HeadwatersCurrentNatureServe
13060003Upper PecosCurrentNatureServe
13060004TaibanCurrentNatureServe
13060007Upper Pecos-Long ArroyoCurrentNatureServe
13060011Upper Pecos-BlackCurrentNatureServe
13070001Lower Pecos-Red Bluff ReservoirCurrentNatureServe
13070002DelawareCurrentNatureServe
13070008Lower PecosCurrentNatureServe
13080001Elm-SycamoreCurrentNatureServe
13080002San Ambrosia-Santa IsabelCurrentNatureServe
13080003International Falcon ReservoirCurrentNatureServe
13090001Los OlmosCurrentNatureServe
13090002Lower Rio GrandeCurrentNatureServe
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Citation:
FishMap.org. 2025. Western Mosquitofish - Gambusia affinis. Available online at http://fishmap.org/species/Western-Mosquitofish.html - last accessed September 7, 2025.

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Change Log

  • 02/05/2024 10:01:04
    Fixed issue with GBIF data being returned in eventDate field.
  • 11/20/2018 11:35:34
    Added iDigBio.org collection data to species maps.
  • 11/15/2018 15:19:23
    Added GBIF.org collection data to species maps.
  • 09/20/2018 21:25:13
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