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

View another fish:
FishExplorer Lakes with White Sucker
Alexander Lake
Lake Arbor
Aurora Reservoir
Lake Avery
Barker Reservoir
Barnum Park Lake
Baron Lake
Barr Lake
Bear Creek Lake
Blue Mesa Reservoir
Boulder Reservoir
Boyd Lake
Carter Lake
Centennial Park
Chatfield Reservoir
Cherry Creek Reservoir
Clear Creek Reservoir
Crown Hill Lake
Deep Slough Reservoir
DeWeese Reservoir
Douglas Reservoir
East Delaney
Eleven Mile Reservoir
Frantz Lake SWA
Garland Park Lake (Lollipop Lake)
Lake Geneva
Golden Gate Canyon State Park
Gross Reservoir
Harriman Lake
Lake Henry
Horseshoe Reservoir (Lathrop SP)
Horsetooth Reservoir
Idaho Springs Reservoir
Island Lake (Grand Mesa)
Jackson Lake
Jenny Lake
Lake John
Jumbo Reservoir (Julesburg)
Kendrick Reservoir
Little Gem Reservoir
Lonetree Reservoir
Lake Loveland
Main Reservoir
McCall Lake
McIntosh Lake
McKay Lake
McPhee Reservoir
Paonia Reservoir
Pomona Lake
Rocky Mountain Lake
Ruedi Reservoir
Sanchez Reservoir
Sands Lake SWA
Skaguay Reservoir
Sloan Lake
Smith Reservoir (Lakewood)
Soda Lakes
Spinney Mountain Reservoir
St. Vrain State Park (Barbour Ponds)
Stagecoach Reservoir
Stalker Lake
Standley Lake
Sunset Lake
Teal Lake
Trinidad Reservoir
Twin Lakes
Twin Lakes Park Ponds
Union Reservoir
Vallecito Reservoir
Ward Lake
Wellington Lake
FishExplorer Rivers with White Sucker
Only lakes in the Fish Explorer database are included in this listing. Lakes we feature on this website are hyperlinked.
White Sucker
The white sucker is probably the most common and widely distributed sucker. Its natural range is from northern Canada to Florida, throughout the uplands of eastern North America, and west to the Rockies. While not considered a highly desirable fish, it is a large enough fish to be sought by anglers, often for cut bait.  They are potentially an underutilized sport fish, as their flesh has a fine, sweet flavor and it is sometimes sold as “freshwater mullet.”
 
White suckers are cylindrically shaped.  The back and head are an olive-brown color transitioning to a light yellowish hue on the sides and a whitish belly.  The lower lip is split into two parts and wider than high. The rounded snout does not extend beyond the fleshy upper lip.    Maximum length is about 24 inches and five pounds.    
 
The preferred habitat of white suckers is cool, clear rivers, streams and lakes. However they are tolerant low oxygen and silted waters. Suckers generally feed on the bottom, dining on aquatic plants, algae, and small invertebrates. White suckers are schooling fish and are moderately active in the daytime, but do most of their feeding at sunrise and sunset.
 
In spring, when water temperatures reach about 50 degrees, white suckers make their spawning runs, or migrations. White suckers lay their eggs on gravel beds in lake and river shallows, generally after dark.  Neither parent cares for the eggs or young. Sexual maturity arrives at three to eight years. Life expectancy appears to be about 15 years.

White Sucker in Colorado

Habitat
The species inhabits lakes, streams and rivers throughout Colorado. In streams, adult white sucker are found in pools and runs but require low-to-moderate currents. Rip-rap banks, bridge abutments, boulders, and undercut banks are preferred locations in streams and rivers. Younger white suckers, less than 6 inches, are found in runs and riffles with moderate velocity and backwater areas (Propst 1982). White suckers tolerate a wide variety of conditions including river stretches greatly enriched from domestic sewage treatment plant effluents. Propst (1982) often found the white sucker to be the most common fish at such locations, although numbers were lower than at similar, unpolluted sites.

Description
A robust sucker, round to oval in cross section; snout rounded and fleshy, scarcely overhanging the mouth; mouth ventral; no notch or indentation at the lateral connection of lower and upper lips, thick upper lip with 4-8 rows of papillae, lower lip with deep median cleft, median indentation of lower lip separated from the edge of the lower jaw by two or less rows of papillae. The dorsal fin not falcate, with 10-13 rays. Scales are moderate in size; less than 75 scales along lateral line. Adults are darker dorsally (olivaceous) fading to white on the stomach. Young are olivaceous to white. During spawning season, males and females may become very dark on the back and sides. Length at the end of first year from 4-6 inches. Adults may be longer than 20 inches and weigh about 2-3 pounds.

Range in Colorado
In Colorado, the species is native and abundant on the eastern slope. Many introductions of this species and the longnose sucker, also an East Slope native, to West Slope waters occurred when the fish were mixed with trout plants from eastern hatcheries and through the fisherman's bait bucket. Populations of these East Slope suckers have become numerous on the West Slope while flannelmouth and bluehead suckers, native to the upper Colorado River Basin, have disappeared from some West Slope waters.

Courtesy of Natural Diversity Information Source, CDOW

Colorado State records for sucker

Kept                    23.25 inches, 4 lb 5.5 oz
Released          open

Master Angler minimum qualifying length is 22 inches
Most Recent White Sucker Forum Posts
Ok, ID experts..... 05.17.16 by D-Zilla
White sucker? 04.19.16 by Mike V.
white sucker and catfish 03.30.16 by Predator
Rare catch 10.02.13 by Jacob J
The mysterious sucker 05.10.13 by FishinRook
Mother sucker 05.06.13 by FishinRook
Fresh/live bait 01.29.13 by Duckbutter
SUCKERS: Wanted dead or Alive 10.20.12 by Bassackwards
White Sucker Articles, Blogs, & Podcasts
Blog: Fresh Water Drum 07.27.15 by David Coulson
Blog: Fifteen, But Who’s Counting? – Oh, I Am! 10.17.14 by David Coulson
Blog: Ill-mannered Angler 03.11.13 by Brice Boling
Blog: Boomerang Tool Co. Grip 11.07.12 by Joshua Christensen
Blog: DIY No Drill Removable Kayak Fish FInder 09.29.12 by Joshua Christensen
Article: The Trip of a Life Time 05.21.12 by David Coulson
Blog: Take Your Time 04.12.12 by Joshua Christensen
Blog: Spring (Rebirth) New podcasts coming Soon! 04.11.12 by Tim Emery
Blog: It's your fault! 02.21.12 by Tim Emery
Colorado White Sucker Photos by Fish Explorer Members
by Predator - by Mr.Sinister - by Kev-o - Ice sucker by jonjon85 - by Billybob - Caught in the first gravel pond south of the main lake. by sharkbite1985 - by spinn3r - by FISHRANGLER - CPR for you to catch also. by McCwallsky - First 3 Pounder of the Year.