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Colorado Fish Species

Arctic Char
Arctic Grayling
Black Bullhead
Black Crappie
Blue Catfish
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
Golden Trout
Grass Carp
Green Sunfish
Greenback Cutthroat
Hybrid Striped Bass(wiper/palmetto)
Lake Chub
Lake Trout
Largemouth Bass
Longnose Sucker
Mountain Whitefish
Northern Pike
Orangespotted Sunfish
Rainbow Trout
Redear Sunfish
River Carpsucker
Roundtail Chub
Sacramento Perch
Smallmouth Bass
Snake River Cutthroat
Spottail Shiner
Spotted Bass
Striped Bass
Sunfish (Bream)
Tiger Muskie
Tiger Trout
White Bass
White Crappie
White Sucker
Yellow Bullhead
Yellow Perch
Yellowstone Cutthroat

View another fish:
FishExplorer Lakes with Brook Trout
Alberta Park Reservoir
Alexander Lake
Antero Reservoir
Atkinson Reservoir
Lake Avery (Big Beaver Reservoir)
Barker Reservoir
Beaver Creek Reservoir
Beaver Lake
Bellaire Lake
Big Meadows Reservoir
Black Lake - RMNP
Blue Mesa Reservoir
Box Lake & Drainage - RMNP
Brainard Lake - IPWA
Brown Lakes SWA
Browns Lake
Carson Lake
Chinn's Lake
Clear Creek Reservoir
Comanche Reservoir
Copeland Lake - RMNP
Corn Lake
Cottonwood Lake #1 (Grand Mesa)
Cottonwood Lake (Buena Vista)
Crater Lake (Hyslop Lake) - IPWA
Crater Lakes - JPWA
Creedmore Lakes
Crystal Creek Reservoir
Crystal Lakes
Curtain Ponds
De Camp Reservoir
Deep Lake
Deep Slough Reservoir
DeWeese Reservoir
Diamond Lake - IPWA
Dome Lakes
East Delaney
Echo Lake
Fall River Reservoir
Fish Creek Reservoir
Forest Lakes - IPWA
Forty Acre Lake
Fourth Lake - RMNP
Georgetown Lake
Gibson Lake
Glacier Springs Retention Pond (Grand Mesa)
Glass Lake - RMNP
Golden Gate Canyon State Park
Grand Lake
Gross Reservoir
Hassell Lake
Haviland Lake
Homestake Reservoir
Hotel Twin Lake
Idaho Springs Reservoir
Island Lake (Grand Mesa)
Jasper Lake - IPWA
Jefferson Lake
Jenny Lake - IPWA
Jumbo Reservoir (Grand Mesa)
Kidney Lake
Laramie Lake
Left Hand Reservoir - IPWA
Lincoln Lake
Little Gem Reservoir
Lone Pine Lake - RMNP
Long Lake - IPWA
Lost Lake (Grand Mesa, Mesa Creek)
Lost Lake - JPWA
Lower Cataract Lake
Manitou Lake
McDonough Reservoir
Meadow Creek Reservoir
Mesa Lake
Mirror Lake (Almont)
Mirror Lake - RMNP
Mitchell Lakes - IPWA
Monarch Lake
Neversweat Reservoir
North Michigan Reservoir
O'Haver Lake
Officers Gulch Pond
Ouzel Lake - RMNP
Paonia Reservoir
Parvin Lake
Peacock Pool - RMNP
Pearl Lake
Platoro Reservoir
Pony Lake - IPWA
Porter Reservoir #1
Porter Reservoir #4 (Little Davies)
Rainbow Lake
Rainbow Lakes - IPWA
Red Deer Lake - IPWA
Rim Rock Lake (Reservoir)
Rito Hondo Reservoir
Road Canyon Reservoir
Rock Lake & Little Rock Lake - RMNP
Rosemont Reservoir
Saint Marys Lake
Lake San Cristobal
Shadow Mountain Reservoir
Shaw Lake
Silver Lake (Grand Mesa)
Skaguay Reservoir
Sky Pond - RMNP
Slack-Weiss Reservoir
South Mesa Lake
Sprague Lake - RMNP
Spring Creek Reservoir
Stagecoach Reservoir
Sunset Lake
Sylvan Lake
The Loch (Vale) - RMNP
Trap Lake
Trappers Lake
Trickle Park Reservoir
Trujillo Meadows Lake
Upper Cataract Lake
Upper Reservoir - Palmer Lake
Urad Reservoir - Upper
Vallecito Reservoir
Vega Reservoir
Lake Verna & Spirit Lake - RMNP
Ward Creek Reservoir
Ward Lake
Weir & Johnson Reservoir
Wellington Lake
Williams Creek Reservoir
Woods Lake
Yamcolo Reservoir
FishExplorer Rivers with Brook Trout
Arapaho Creek - IPWA
Arkansas River Headwaters
Baker Creek (Baker Gulch) - RMNP
Bear Creek
Beaver Creek & Red Gulch - RMNP
Big Thompson River - North Fork - RMNP
Big Thompson River - RMNP
Black Canyon Creek - RMNP
Boulder Brook - RMNP
Bowen Gulch (near Gaskil) - RMNP
Cache La Poudre River - North Fork (Below Seaman Res)
Cache La Poudre River - RMNP
Cascade Creek - IPWA
Cascade Creek - RMNP
Chapin Creek - RMNP
Clear Creek
Colorado River - RMNP - Kawuneeche to Headwaters
Columbine Creek - RMNP
Cony Creek - RMNP
Corral Creek - RMNP
Cow Creek - RMNP
Eagle River (Lower)
Eagle River (Upper)
East Inlet Creek - RMNP
Echo Creek - RMNP
Fall River - RMNP
Fraser River
Frying Pan River
Glacier Creek - RMNP
Grand Ditch - RMNP
Gunnison River (Upper)
Hague Creek - RMNP
Hidden Valley Creek - RMNP
Icy Brook - RMNP
Jasper Creek - Lower & South Fork- IPWA
Jasper Creek - Upper - IPWA
La Poudre Pass Creek - RMNP
Lake Fork of the Gunnison River
Left Hand Creek - IPWA
Lion Lakes Drainage - RMNP
Meadow Creek - IPWA
Michigan River - Below Meadow Crk Res
Middle Boulder Creek - North Fork - IPWA
Middle Boulder Creek - South Fork - IPWA
Middle Saint Vrain Creek - IPWA
Mill Creek - RMNP
Mitchell Creek (below Mitchell Lake) - IPWA
Mummy Pass Creek - RMNP
North Inlet Creek - RMNP
North Saint Vrain - RMNP
Onahu Creek - RMNP
Ouzel Creek - RMNP
Paradise Creek - RMNP
Roaring Fork - RMNP
Roaring Fork River - Upper
Roaring River - RMNP
South Boulder Creek - Headwaters to Moffat Tunnel
South Boulder Creek - Moffet Tunnel to Rollinsville
South Platte - Eleven Mile Canyon
South Saint Vrain Creek (below Long Lake) - IPWA
South Saint Vrain Creek (between Long Lake and Lake Isabelle) - IPWA
South Saint Vrain Creek (East of Brainard Lake)
Spruce Creek (middle) - RMNP
Timber Creek - RMNP
Tonahutu Creek - RMNP
West Creek - RMNP
Willow Creek - RMNP
Wind River - RMNP
Only lakes in the Fish Explorer database are included in this listing. Lakes we feature on this website are hyperlinked.
Brook Trout
Brook trout are actually a char, in the same family as lake trout and bull trout.  Originally their range was limited to eastern North America, but through stocking programs they are now found throughout the west also. One of the more brightly colored char, they typically have a dark olive to blackish back transitioning to a whitish belly. Distinctive vermiform (wormlike) markings cover the back.  The lower fins have a distinctive white edge, bordered by black and the remaining fin being a reddish-orange.  Their sides have red spots, often with a bluish halo. These slender fish also have a square tail. While brookies are frequently viewed as a small fish, seldom getting much over 12 inches, the world record brook trout is more than 14 pounds.
Brook trout are fall spawners, generally in October and November. They seek riffle areas with gravel in streams, spring areas or shores currents for spawning. The females use their tails to sweep out a redd where she’ll lay 100 – 400 eggs. Brookie eggs require continuous oxygenation. Depending on water temperatures, the eggs will incubate 2 to 3 months before hatching. Compared to many fish, brook trout are sensitive as to their environment, requiring clean, cold highly oxygenated (50 to 60 degrees) water, be it streams or lakes.
Brook trout are voracious feeders consuming zooplankton, crustaceans, worms, fish, terrestrial insects, and aquatic insects. They frequently feed on whatever is most readily available. This feature makes them extremely popular with anglers and they will readily take a wide variety of flies and lures.

Brook Trout in Colorado

An entry to Colorado in the late 1800s, the brook trout feeds on aquatic and terrestrial insects and will rise to a large range of small lures, baits and flies. Brook trout have white spots (worm-shaped on top) on a dark background with tri-colored outlined fins (orange, black and white). This prolific fish often becomes overpopulated and can out-compete other trout. They are typically found in higher elevation lakes, beaver dams and streams.

Above Courtesy of Colorado Division of Wildlife 

Colorado Record 

Kept             7 lb 10 oz
Released    26 inches

Colorado Master Angler Award qualifying length for Brook Trout is 16"

Most Recent Brook Trout Forum Posts
The Mesa is gorgeous, good fishing 01.13.21 by Team CO.F.F.
Brookies through the ice! 12.11.20 by The Fishing Junky
Eating the Freshest Brook Trout 12.10.20 by Team CO.F.F.
Fall Brookies 10.09.20 by CoachK
Brainard Lakes & Brookies 08.24.20 by Forkin-Fish
Sheep creek 08.21.20 by GW fish
Brook Trout Articles, Blogs, & Podcasts
Blog: Unconfirmed Rumors? 05.26.19 by Mike McConnell
Blog: Early Ice Frenzy 11.28.18 by Dave Bryant
Blog: First Ice Trout 12.07.16 by Bernie Keefe
Blog: Fresh Water Drum 07.27.15 by David Coulson
Blog: Mud Mud Mud, The Ending 06.15.15 by Dale Daugherty
Blog: Mud Mud Mud 06.13.15 by Dale Daugherty
Blog: Filling Commitments 06.09.15 by David Coulson
Blog: Rocky Mountain High 06.03.15 by David Coulson
Blog: Early Ice Fishing Techniques 12.30.14 by Austin Parr
Blog: Fifteen, But Who’s Counting? – Oh, I Am! 10.17.14 by David Coulson