Oncorhynchus mykiss
Oncorhynchus mykiss
(Rainbow Trout)
Fishes
Native Transplant
Collection Info
Point Map
Species Profile
Animated Map

13 results for Oncorhynchus mykiss (Rainbow Trout)
Download Data
Click here for listing in all states

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
30696 CO Big Thompson drainage1997 10190006 Big Thompsonestablished
1746254 COLarimer[No locality description provided]2018 10190006 Big Thompson 
1890362 COLarimer[No locality description provided]2024 10190006 Big Thompson 
1890597 COLarimer[No locality description provided]2025 10190006 Big Thompson 
1892024 COLarimer[No locality description provided]2025 10190006 Big Thompson 
267506 COLarimerBig Thompson River2000 10190006 Big Thompsonestablished
269304 COLarimerBig Thompson River, below Olympus Dam2009 10190006 Big Thompsonestablished
269451 COLarimerBoyd Lake2009 10190006 Big Thompsonestablished
269463 COLarimerCarter Lake Reservoir2009 10190006 Big Thompsonestablished
269524 COLarimerEstes Lake2008 10190006 Big Thompsonestablished
269612 COLarimerLake Loveland2008 10190006 Big Thompsonestablished
269646 COLarimerLon Hagler Reservoir2009 10190006 Big Thompsonestablished
158365 COLarimerRocky Mountain National Park1999 10190006 Big Thompsonestablished

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 [2/1/2026].

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.