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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
Golden Trout
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
Snake River Cutthroat
Splake
Spottail Shiner
Spotted Bass
Striped Bass
Sunfish (Bream)
Tiger Muskie
Tiger Trout
Walleye
White Bass
White Crappie
White Sucker
Yellow Bullhead
Yellow Perch
Yellowstone Cutthroat

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.
 

Most Recent Brown Trout Forum Posts
Buttery Browns 04.15.21 by Team CO.F.F.
Browns in local creek 03.05.21 by The Fishing Junky
Day Salvaging Brown 02.24.21 by bharper
Arkansas Browns 02.05.21 by Barnacles
Wish You Were Here 12.28.20 by 1fishwilly
Brown Trout Articles, Blogs, & Podcasts
Blog: What to do about "ice out" 04.15.20 by Bill Prater
Blog: Spinfishing open water in winter 02.03.20 by Bill Prater
Blog: 2019 South Park: Season Premiere 05.01.19 by Mike McConnell
Blog: Not everything is frozen 02.01.17 by David Coulson
Blog: First Ice Trout 12.07.16 by Bernie Keefe
Blog: Winter Streamer Fishing 01.13.16 by Rob Stout
Blog: Fall Brown Trout. Night Time is the Right Time. 11.30.15 by Devin Gelsinger
Blog: Fresh Water Drum 07.27.15 by David Coulson
Blog: Fishing Staycation - Days Four through Six 06.26.15 by David Coulson
Blog: Filling Commitments 06.09.15 by David Coulson
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