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Colorado Fish Species

Arctic Char
Arctic Grayling
Black Bullhead
Black Crappie
Blue Catfish
Bluegill
Bluehead sucker
Bonytail Chub
Brook Trout
Brown Trout
Channel Catfish
Colorado Pikeminnow
Colorado River Cutthroat
Common Carp
Creek Chub
Cutbow Trout
Cutthroat Trout
Emerald Shiner
Flannelmouth Sucker
Flathead Catfish
Flathead Chub
Freshwater Drum
Gizzard Shad
Golden Shiner
Goldfish
Grass Carp
Green Sunfish
Greenback Cutthroat
Hybrid Striped Bass(wiper/palmetto)
Kokanee
Lake Chub
Lake Trout
Largemouth Bass
Longnose Sucker
Mountain Whitefish
Northern Pike
Orangespotted Sunfish
Pumpkinseed
Rainbow Trout
Redear Sunfish
River Carpsucker
Roundtail Chub
Rudd
Sacramento Perch
Sauger
Saugeye
Smallmouth Bass
Splake
Spottail Shiner
Spotted Bass
Striped Bass
Tiger Muskie
Tiger Trout
Walleye
White Bass
White Crappie
White Sucker
Yellow Perch
Yellowstone Cutthroat

View another fish:
FishExplorer Lakes with Brown Trout
Antero Reservoir
Barker Reservoir
Bear Creek Lake
Beaver Creek Reservoir
Beaver Lake
Big Creek Lake(upper)
Big Meadows Reservoir
Blue Mesa Reservoir
Bonham Reservoir
Boyd Lake
Brainard Lake
Carter Lake
Chambers Lake
Chatfield Reservoir
Cheesman Reservoir
Clear Creek Reservoir
Comanche Reservoir
Cottonwood Lake (Buena Vista)
Cowdrey Lake
Crater Lakes
Crawford Reservoir
Crystal Creek Reservoir
Daigre and Wahatoya Lake
DeWeese Reservoir
Dillon Reservoir
Dome Lakes
Dowdy Lake
East Delaney
Eleven Mile Reservoir
Estes Lake
Evergreen Lake
Franz Lake SWA
Georgetown Lake
Golden Gate Canyon State Park
Granby Lake
Grand Lake
Green Mountain Reservoir
Gross Reservoir
Hohnholz Lake #2
Hohnholz Lake #3
Horsetooth Reservoir
Isabel Lake
Jefferson Lake
Lake John
Kidney Lake
KOA Lake
Lefthand Creek Reservoir
Lemon Reservoir
Manitou Lake
Marys Lake
McPhee Reservoir
Miramonte Reservoir (Dan Noble SWA)
Mirror Lake (Almont)
Mirror Lake - RMNP
Monument Lake (El Paso County)
Mount Elbert Forebay
Mountain Home Reservoir
Narraguinnep Reservoir
Navajo Reservoir
North Delaney
North Michigan Reservoir
Paonia Reservoir
Parvin Lake
Pine Valley Ranch Pond
Pinewood Reservoir
Platoro Reservoir
Rampart Reservoir
Ridgway Reservoir
Rifle Gap Reservoir
Ruedi Reservoir
Lake San Cristobal
Sanchez Reservoir
Sands Lake SWA
Seaman Reservoir
Seymour Lake
Shadow Mountain Reservoir
Slack-Weiss Reservoir
South Delaney
Spinney Mountain Reservoir
Sprague Lake - RMNP
Spring Creek Reservoir
Stagecoach Reservoir
Standley Lake
Sunset Lake
Sylvan Lake
Tarryall Reservoir
Taylor Park Reservoir
Thunder Lake - RMNP
Totten Lake
Trinidad Reservoir
Trujillo Meadows Lake
Turquoise Lake
Twin Lakes
Union Reservoir
Vallecito Reservoir
Vega Reservoir
Ward Creek Reservoir
Watson Lake
West Lake
Williams Fork Reservoir
Willow Creek Reservoir
Wolford Mountain Reservoir
Yamcolo Reservoir
FishExplorer Rivers with Brown Trout
Animas River, Durango
Arkansas River Below Pueblo Reservoir
Arkansas River Headwaters
Arkansas River Lower
Baker Creek (Baker Gulch) - RMNP
Bear Creek
Beaver Creek
Big Thompson River - Canyon
Big Thompson River - Loveland
Big Thompson River - RMNP
Blue River (Below Dillon Res)
Blue River (Below Green Mtn Res)
Boulder Brook - RMNP
Boulder Creek - Fourmile Creek to US 36
Boulder Creek - North Boulder Creek to Fourmile Creek
Bowen Gulch (near Gaskil) - RMNP
Cache La Poudre River (Fort Collins Area)
Cache La Poudre River (Lower Canyon)
Cache La Poudre River (Upper Canyon)
Cache La Poudre River - North Fork (Phantom Canyon)
Cascade Creek - RMNP
Clear Creek
Colorado River - RMNP - Below Shadow Mountain
Colorado River - RMNP - Kawuneeche to Headwaters
Colorado River Byers Canyon to Kremmling
Colorado River Glenwood Canyon
Colorado River Glenwood Spgs to Rifle
Colorado River Granby to Byers Canyon
Colorado River Pumphouse to Dotsero
Cony Creek - RMNP
Cow Creek - RMNP
Eagle River (Lower)
Eagle River (Upper)
Fall River - RMNP
Fountain Creek
Frying Pan River
Grand Ditch - RMNP
Gunnison River (Black Canyon)
Gunnison River (Upper)
Hidden Valley Creek - RMNP
Mill Creek - RMNP
North Fork Big Thompson River - RMNP
North Inlet Creek - RMNP
North St. Vrain - RMNP
Ouzel Creek - RMNP
Roaring Fork River - Upper
Roaring Fork River - Lower
Roaring Fork River - Middle
Roaring River - RMNP
South Boulder Creek - Gross Reservoir to US 36
South Boulder Creek - Moffet Tunnel to Rollinsville
South Boulder Creek - Rollinsville to Gross Reservoir
South Platte - Cheesman Canyon
South Platte - Deckers
South Platte - Dream Stream
South Platte - Eleven Mile Canyon
Williams Fork River
Yampa River - Steamboat Springs
Yampa River - Steamboat to Hayden
Yampa River below Stagecoach Res
Only lakes in the Fish Explorer database are included in this listing. Lakes we feature on this website are hyperlinked.
Brown Trout
A close relative of the Atlantic salmon, brown trout were brought to North American waters from Europe. Brown trout have thrived in America, having been introduced into 45 of the 50 states.  They are one of the more popular trout species, possibly due their reputation as a more difficult fish to catch, and in part due to their higher tolerance for warmer waters than other trout species.
 
Brown trout are frequently dark to golden brown along the back, sometimes with brassy appearance. Their yellowish sides are marked with dark brown to black spots, mixed with orange to red spots often haloed in pale blue. The belly is typically whitish. Breeding males often develop a hooked jaw. 
 
Brown trout spawn are fall spawners, starting in late October, sometimes extending into December. Redds are typically dug by the females in gravelly riffles. After the eggs are fertilized the female covers them with fine gravel, then fry hatch the following spring. The diet of adult brown trout includes insects and their larvae, crustaceans, mollusks, amphibians, small rodents and other fish.  Brown trout often actively feed during the day, as long as they are undisturbed. Larger fish typically become more active at night. 

Brown Trout in Colorado

The brown trout was first brought into this state in the 1890s land is now abundant from high mountain streams to broad rivers flowing onto the plains. These fish can be difficult to catch, but many anglers have good success during their fall spawning runs. A large dark spotting pattern and reddish dots can help anglers distinguish these fish from rainbows and cutthroats.

Above courtesy of Colorado Division of Wildlife

Colorado Records

Kept             36.4 inches, 30 lb 8 oz
Released     38 inches

Qualifying length for a Colorado Master Angler Award for Brown Trout is 22 inches.
 

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Brown Trout Articles, Blogs, & Podcasts
Blog: Skip the Dunkin Donuts 08.05.14 by Alan Peak
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Blog: People are Starting to Come Outside 04.14.14 by Alan Peak
Blog: Trouting from a Kayak 12.30.13 by Brady Garrett
Blog: Dream Stream Report 10.15.13 by Dan Courtright
Blog: Survey Says! Trout Trout Trout 05.14.13 by Ben Swigle
Blog: Cache la Poudre: Fishing after the fire 04.25.13 by Ben Swigle
Blog: Boomerang Tool Co. Grip 11.07.12 by Joshua Christensen
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