Salmo trutta
Salmo trutta
(Brown Trout)

169 results for Salmo trutta (Brown Trout)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
30384 CO Arkansas drainage1993 11020002 Upper Arkansasestablished
29963 CO Arkansas River1998 11020005 Upper Arkansas-Lake Meredithestablished
29953 CO Arkansas River1998 11020005 Upper Arkansas-Lake Meredithestablished
267495 CO Arkansas River2000 11020005 Upper Arkansas-Lake Meredithestablished
30683 CO Big Thompson drainage1997 10190006 Big Thompsonestablished
30680 CO Cache La Poudre drainage1997 10190007 Cache La Poudreestablished
164860 CO Colorado drainage1880 14010001 Colorado Headwatersestablished
164864 CO Colorado drainage1880 14010001 Colorado Headwatersestablished
30385 CO Colorado drainage1993 14010001 Colorado Headwatersestablished
30544 CO Colorado headwaters drainage1982 14010001 Colorado Headwatersestablished
267548 CO Colorado River2000 14010001 Colorado Headwatersestablished
30545 CO Gunnison (HUC6) non-specific1982 14020000 Gunnisonestablished
29997 CO North Platte River1998 10180001 North Platte Headwatersestablished
30388 CO Platte drainage1993 10190000 South Platteestablished
29979 CO Republican River1998 10250003 South Fork Republicanestablished
30387 CO Rio Grande drainage1993 13010001 Rio Grande Headwatersestablished
30260 CO San Luis Valley (Rio Grande headwaters drainage)1986 13010003 San Luisestablished
30724 CO South Platte (HUC6) non-specific1978 10190000 South Platteestablished
29985 CO South Platte River1998 10190003 Middle South Platte-Cherry Creekestablished
30682 CO St. Vrain drainage1997 10190005 St. Vrainestablished
30681 CO upper South Platte drainage1997 10190002 Upper South Platteestablished
30543 CO White River drainage1982 14050000 White - Yampaestablished
30542 CO Yampa River drainage1982 14050000 White - Yampaestablished
267595 CO Gunnison River [drainage]2000 14020000 Gunnisonestablished
30725 CO North Platte (HUC6) non-specific1978 10180000 North Platteestablished

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.


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. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [6/9/2023].

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