Colorado Fishing Compliance Checklist

Source: Colorado Parks and Wildlife (CPW). Generated by FishFig — informational only, not legal advice.

1 · What license do you need?

AnglerAnnual fee
Residentverify locally
Non-residentverify locally

Source: verify locally — see Colorado Parks and Wildlife (CPW) current license fees and regulations.. Verify the exact product and any one-day or short-term options with the agency.

2 · Size & bag limits

SpeciesMin sizeBag limitCitation
All species—verify locallysee Colorado Parks and Wildlife (CPW) current fishing regulations.

3 · Required stamps & report cards

License fees and size/bag limits for Colorado are pending verification. Each state sets its own resident and nonresident fees and per-species limits — always confirm with Colorado Parks and Wildlife (CPW) before fishing.

4 · Legal citations

5 · Who to contact

State agency & contact

Licenses, regulations, and stocking are set by the agency below. When FishFig can’t verify a figure, contact them directly.

Colorado Parks and Wildlife (CPW)

Address6060 Broadway, Denver, CO 80216
EmailGeneral inquiries: use the contact form on the agency website.

FishFig is an independent guide and is not affiliated with Colorado Parks and Wildlife (CPW). Verify every figure with the agency before purchasing a license, keeping fish, or relying on stocking data.

6 · Work the checklist in this order

Read the sections on this sheet in sequence, because each one can invalidate the one before it. The license comes first: without a current one, nothing else on the sheet matters. The limits come second, and they are statewide defaults. The stamps and report cards come third — a species endorsement or a harvest card can be required on top of the license, and holding the license alone does not satisfy it. The waterbody-specific rules come last, and they win: where a named lake, river section, or zone has its own size, slot, bag, or season rule, that rule replaces the statewide default on this sheet.

Two habits catch most of what a printed sheet cannot. Fill in the water you actually intend to fish before you leave, and check that specific water’s current regulation rather than relying on the statewide line. And photograph or write down the tag, date, and location of anything you keep that may fall under a reporting requirement — the obligation usually attaches to the fish, not to the license, so a fully licensed angler can still be out of compliance for failing to register a catch inside the window.

This sheet is deliberately narrow. It states the fees and statewide limits FishFig can attribute to a Colorado Parks and Wildlife (CPW) publication, and it names the agency for everything else, rather than printing a number that may already be out of date. In-season closures, emergency orders, drawdowns, and special-regulation waters are published by the agency and are not tracked here.

7 · Limits, reporting and inspection rules tracked for Colorado

Every figure below is read from FishFig's verified Colorado data layer and names its source. Where a value could not be verified it reads "verify locally" rather than a placeholder number.

Size and bag limits tracked for Colorado

Colorado has 13 statewide limits resolved in this tool — Bluegill, Brook Trout, Brown Trout, Channel Catfish, Crappie, Flathead Catfish, Largemouth Bass and Muskellunge (Muskie), among 13 in the tracked set. Each entry below carries the agency citation it came from.

Bluegill: bag 20 (sunfish aggregate; 20 possession); season Year-round. Citation: Colorado Parks and Wildlife — 2026 Statewide Bag & Possession Limits. https://www.eregulations.com/colorado/fishing/statewide-bag-possession-limits

Brook Trout: bag 4 (trout aggregate; 8 possession) + 10 brook trout 8 in or smaller in addition; season Year-round. Citation: Colorado Parks and Wildlife — 2026 Statewide Bag & Possession Limits. https://www.eregulations.com/colorado/fishing/statewide-bag-possession-limits

Brown Trout: bag 4 (trout aggregate; 8 possession); season Year-round. Citation: Colorado Parks and Wildlife — 2026 Statewide Bag & Possession Limits. https://www.eregulations.com/colorado/fishing/statewide-bag-possession-limits

Channel Catfish: bag 10 (channel, flathead, blue aggregate; 10 possession); season Year-round. Citation: Colorado Parks and Wildlife — 2026 Statewide Bag & Possession Limits. https://www.eregulations.com/colorado/fishing/statewide-bag-possession-limits

Crappie: bag 20 (white and black combined; 20 possession); season Year-round. Citation: Colorado Parks and Wildlife — 2026 Statewide Bag & Possession Limits. https://www.eregulations.com/colorado/fishing/statewide-bag-possession-limits

Flathead Catfish: bag 10 (channel, flathead, blue aggregate; 10 possession); season Year-round. Citation: Colorado Parks and Wildlife — 2026 Statewide Bag & Possession Limits. https://www.eregulations.com/colorado/fishing/statewide-bag-possession-limits

These are statewide general rules only. Slot limits, special-regulation waters, catch-and-release stretches, and zone-by-zone seasons override them — and a general rule that is absent from this list is not the same as no restriction. Confirm the rule for the exact water you are fishing with Colorado Parks and Wildlife (CPW) before keeping a fish.

Mandatory harvest reporting in Colorado

Colorado requires mandatory harvest reporting or registration for specific species. The tracked rule set covers all species.

Reporting window: N/A. How to report: No mandatory species-specific harvest registration in Colorado; standard bag/possession limits apply. General mandatory angler-reporting clauses may apply for special managed fisheries. N/A. Citation: Colorado Parks and Wildlife — 2026 Colorado Fishing Regulations

A reporting requirement usually attaches to the fish, not the license: you can be fully licensed and still be out of compliance for failing to register a tagged or sensitive species within the stated window. Record the tag number and the date before you leave the water.

Boat inspection and invasive species rules in Colorado

Colorado has a tracked aquatic-invasive-species requirement for boaters: ANS Stamp.

Fee or cost: Non-resident $50 (resident $25); required on every motorboat and sailboat even during the 60-day exemption..

Inspection: Mandatory AIS inspection at one of 77 stations before launching any trailered/motorized boat..

60-day non-resident exemption with valid home-state registration, but the ANS stamp and universal inspection always apply. Green Seal issued on exit after passing inspection.

Citation: Colorado Parks & Wildlife — Aquatic Nuisance Species (ANS) stamp & inspection (C.R.S. 33-10.5-104.5).

Free fishing days in Colorado

Reported license-free dates for 2026: June 6–7, 2026. Most states waive the license only, not the rules — size and bag limits, gear restrictions, seasons, and any required report card still apply, and some states still require a free or zero-cost license to be issued before you fish.

Reported for 2026 by public aggregators and may not match the official state schedule. Always confirm the current year’s dates and any species/stamp exceptions with the agency before planning.

Source: Compiled from 2026 public Free-Fishing-Day roundups (modefreefinds.com, heyitsfree.net, fishkillflea.com). Not an official source — verify with the state agency. (compiled 2026-08-29).

Always confirm current fees, seasons, and closures with Colorado Parks and Wildlife (CPW) before fishing. This checklist is a planning aid and may not reflect in-season changes.

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