Oncorhynchus mykiss
Oncorhynchus mykiss
(Rainbow Trout)
Fishes
Native Transplant
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25 results for Oncorhynchus mykiss (Rainbow Trout)
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Specimen IDCommon NameStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
164856 Rainbow TroutCO Colorado drainage1880 14010001 Colorado Headwatersestablished
30400 Rainbow TroutCO Colorado drainage1993 14010001 Colorado Headwatersestablished
267547 Rainbow TroutCO Colorado River2000 14010001 Colorado Headwatersestablished
1729159 Rainbow TroutCOEagle[No locality description provided]2021 14010003 Eagle 
267570 Rainbow TroutCOEagleEagle River2000 14010003 Eagleestablished
267577 Rainbow TroutCOEagleFryingpan River2000 14010004 Roaring Forkestablished
267679 Rainbow TroutCOEagleRuedi Creek2000 14010004 Roaring Forkestablished
262529 Rainbow TroutCOGarfieldColorado River, near Rifle1971 14010005 Colorado Headwaters-Plateaustocked
267675 Rainbow TroutCOGarfieldRoaring Fork River2000 14010004 Roaring Forkestablished
267528 Rainbow TroutCOGrandBlue River2000 14010002 Blueestablished
269959 Rainbow TroutCOGrandColorado River, near Parshall2009 14010001 Colorado Headwatersestablished
267579 Rainbow TroutCOGrandGranby/Shadow Mountain Lakes2000 14010001 Colorado Headwatersestablished
160261 coastal rainbow troutCOGrandLake Granby (=Granby Reservoir) on the Colorado River [~60 mi NW of Denver]1952 14010001 Colorado Headwatersstocked
30217 Kamloops troutCOGrandLake Granby (=Granby Reservoir) on the Colorado River [~60 mi NW of Denver]1951 14010001 Colorado Headwatersstocked
267760 Rainbow TroutCOGrandWilliams Fork Reservoir2000 14010001 Colorado Headwatersestablished
270039 Rainbow TroutCOGrandWilliams Fork Reservoir2009 14010001 Colorado Headwatersestablished
270040 Rainbow TroutCOGrandWolford Mountain Reservoir2009 14010001 Colorado Headwatersestablished
1676825 Rainbow TroutCOMesa[No locality description provided]2020 14010005 Colorado Headwaters-Plateau 
269975 Rainbow TroutCOMesaHighline Lake in Highline State Park, Ute Base Line, NW of Loma2008 14010005 Colorado Headwaters-Plateauestablished
267754 Rainbow TroutCOMesaVega Reservoir2000 14010005 Colorado Headwaters-Plateauestablished
1746777 Rainbow TroutCOPitkin[No locality description provided]2021 14010004 Roaring Fork 
1891987 Rainbow TroutCOPitkin[No locality description provided]2025 14010004 Roaring Fork 
269967 Rainbow TroutCOPitkinFryingpan River, at Baetis Bridge2009 14010004 Roaring Forkestablished
270028 Rainbow TroutCOPitkinRuedi Reservoir2009 14010004 Roaring Forkestablished
267558 Rainbow TroutCOSummitDillon Reservoir [Blue River]2000 14010002 Blueestablished

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 [1/20/2026].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.