Colorado species

White Sucker in Colorado

Where white sucker swim in Colorado, and what to keep.

  • off chartlimit
  • 5 lb 6.7 ozrecord
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Photo of the species, not a Colorado water: USFWS Mountain-Prairie, Public domain

Colorado fish

White sucker across Colorado: rules and records

On the CPW chart white sucker counts as record only, and no chart row of its own apply to it.

A 5 lb 6.7 oz catch at Aurora Reservoir in 2011 tops the weight table. It shows up on 3 of the lake and stream pages below.

nonestatewide chart
5 lb 6.7 ozstate record
0special rules naming it
3water pages
Records

The white sucker marks to beat in Colorado

Certified weights

EntryWeightLengthAnglerWaterCountyYear
White Sucker5 lb 6.7 oz23.5 inJay GruppAurora ReservoirArapahoe2011

Longest released fish

EntryLengthAnglerWaterYear
White Sucker22.38 inSamantha VoncannonSouth Platte River2024

Heritage Master Angler lengths

EntryLengthAnglerWaterYear
White Sucker22.5 inShaun RossChatfield Reservoir

A new length record must beat the current one, or 22 inches where no record exists (the Master Angler qualifying length).

CPW Fishing Awards and Records and the 2026 brochure pages 6 and 7, retrieved October 25, 2026.

Rules in print

Rules beyond the chart for white sucker

  • b. Crustaceans: The following crustaceans may be possessed east of the Continental Divide: virile crayfish, waternymph crayfish, calico crayfish, ringed crayfish and Southern Plains crayfish. The following crustaceans may be possessed on either side of the Continental Divide: freshwater shrimp …p. 8

2026 Colorado Fishing brochure (Colorado Parks and Wildlife),, retrieved October 25, 2026.

Where to look

Lakes and streams with white sucker in their species lists

Lake pages naming white sucker

River pages naming white sucker

  • South Platte RiverJefferson County

CPW Boatable Waters and Quality Waters species fields and state record waters; largest waters first.

Related fish

More white sucker neighbors on the species list

In photos

Photo views of fishing water near White Sucker

South Platte River, Colorado
South Platte River
Photo: Jeffrey Beall, CC BY 3.0
Blue Mesa Reservoir, Colorado
Blue Mesa Reservoir
Photo: Victoria Stauffenberg, Public domain
Eleven Mile Reservoir, Colorado
Eleven Mile Reservoir
Photo: Jack Bilariusz, CC BY-SA 4.0
John Martin Reservoir, Colorado
John Martin Reservoir
Photo: U.S. Army Corps of Engineers, photographer not specified or unknown, Public domain
Answers

What CPW says about White sucker, in Q and A

How many white sucker fit in a legal Colorado day?

It has no row on the 2026 chart; species missing from the chart are either unlimited or restricted.

When was the Colorado white sucker record set?

5 lb 6.7 oz from Aurora Reservoir, by Jay Grupp in 2011.

What Colorado water is a good bet for white sucker?

3 water pages here list it, starting with Chatfield Reservoir, Aurora Reservoir and South Platte River.

Where do the white sucker rules differ from the chart?

No special-regulation entry names it, so the statewide chart applies unless a water closes or limits all fishing.

What kind of fish is white sucker for CPW?

Record only on the CPW species list; the chart zones that apply are statewide.

When is white sucker season open in Colorado?

Colorado waters are open all year, day and night, unless a special regulation closes them; no entry names it.

Does Colorado sell a special stamp for white sucker?

Everyone 16 and older needs a CPW fishing license: $44.87 a year for adult residents, $124.01 for nonresidents, or $18.07 for a resident one-day license.

Is there a catch-and-release record for white sucker?

Photograph it on a measuring device with a witness and release it; it must beat the current record, or 22 inches where none exists.

Pick water for white sucker

Open any water above for its ramps, species and Colorado limits.