What special fishing regulations apply at Missouri River main stem?

Missouri River main stem carries 4 special-regulation overlays that override Iowa's statewide 2026 rules, covering Channel catfish, Yellow perch, and Northern pike. One of them reads: "Missouri River reciprocal compact (anglers fishing main stem may use IA or NE Fishing Licence — joint NE/IA boundary water under reciprocal compact); walleye + sauger combined 4 / day (8 possession), no special length limit (the 15 in min applies only on the Mississippi River); channel + blue + flathead catfish combined 15 / day (30 possession) no minimum (boundary-river / interior-stream limit; no separate flathead limit); paddlefish snag season open Feb 1 – Apr 30 (35–45 in protected slot — release all 35–45 in; paddlefish licence + tag required, annual quota 950 res / 50 NR tags)." Every overlay on this water body is listed in full above.

Do I need a fishing license to fish Missouri River main stem?

Yes. Missouri River main stem is in Iowa, so a valid Iowa fishing license is required just as it is anywhere else in the state, issued by Iowa Department of Natural Resources (Iowa DNR). The special regulations on this page change the bag, size, slot, or gear rules for Missouri River main stem; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Iowa rules.

Do Missouri River main stem's special rules replace Iowa's statewide limits?

Only where they conflict. Iowa's statewide 2026 regulations apply on Missouri River main stem by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.

Which species have special rules on Missouri River main stem?

Channel catfish, Yellow perch, and Northern pike have a water-body-specific rule on Missouri River main stem, each linking to its full Iowa regulations above. Species not listed here follow the statewide Iowa limits.

2026 regulation year

Missouri River main stem 2026 — Iowa Fishing Regulations

Iowa statewide rules apply unless overridden below.

Last updated June 9, 2026

Missouri River main stem carries 4 special-regulation overlays on top of Iowa's 2026 fishing rules — covering Channel catfish, Yellow perch, Northern pike. Verify the agency booklet before launching: in-season changes are not yet wired to this page.

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State-level special regulation

Missouri River reciprocal compact (anglers fishing main stem may use IA or NE Fishing Licence — joint NE/IA boundary water under reciprocal compact); walleye + sauger combined 4 / day (8 possession), no special length limit (the 15 in min applies only on the Mississippi River); channel + blue + flathead catfish combined 15 / day (30 possession) no minimum (boundary-river / interior-stream limit; no separate flathead limit); paddlefish snag season open Feb 1 – Apr 30 (35–45 in protected slot — release all 35–45 in; paddlefish licence + tag required, annual quota 950 res / 50 NR tags)
Source: Iowa special-water list

Per-species rules on Missouri River main stem

Channel catfish regulations →
No minimum, 15 / day combined (30 possession) boundary-river / interior-stream limit; Missouri River reciprocal compact (IA + NE Fishing Licence honored on main stem)
Yellow perch regulations →
No daily or possession limit on yellow perch; Missouri River reciprocal compact (IA + NE Fishing Licence honored on main stem)
Northern pike regulations →
5 / day (10 possession), no minimum; Missouri River reciprocal compact (IA + NE Fishing Licence honored)

Official source

Iowa Department of Natural Resources (Iowa DNR) publishes the authoritative 2026 Iowa fishing regulations. Special-regulation lakes and rivers are listed in the agency booklet — always verify before fishing.

Visit official Iowa fishing regulations →

Emergency-order channel

In-season closures, slot-limit changes, and run-count-driven harvest pauses are posted to Iowa Department of Natural Resources's emergency-order feed — check it before any Iowa trip during the active season.

Other special-regulation waters in Iowa

Browse all water bodies →

Frequently asked questions

What special fishing regulations apply at Missouri River main stem?: Missouri River main stem carries 4 special-regulation overlays that override Iowa's statewide 2026 rules, covering Channel catfish, Yellow perch, and Northern pike. One of them reads: "Missouri River reciprocal compact (anglers fishing main stem may use IA or NE Fishing Licence — joint NE/IA boundary water under reciprocal compact); walleye + sauger combined 4 / day (8 possession), no special length limit (the 15 in min applies only on the Mississippi River); channel + blue + flathead catfish combined 15 / day (30 possession) no minimum (boundary-river / interior-stream limit; no separate flathead limit); paddlefish snag season open Feb 1 – Apr 30 (35–45 in protected slot — release all 35–45 in; paddlefish licence + tag required, annual quota 950 res / 50 NR tags)." Every overlay on this water body is listed in full above.
Do I need a fishing license to fish Missouri River main stem?: Yes. Missouri River main stem is in Iowa, so a valid Iowa fishing license is required just as it is anywhere else in the state, issued by Iowa Department of Natural Resources (Iowa DNR). The special regulations on this page change the bag, size, slot, or gear rules for Missouri River main stem; they do not waive the license requirement. Free-fishing days and youth exemptions follow the statewide Iowa rules.
Do Missouri River main stem's special rules replace Iowa's statewide limits?: Only where they conflict. Iowa's statewide 2026 regulations apply on Missouri River main stem by default; the overlays above replace the matching statewide rules for the species or gear they name, while everything not specifically overridden still follows the statewide rule. When a water-body rule and the statewide rule disagree, the water-body rule wins.
Which species have special rules on Missouri River main stem?: Channel catfish, Yellow perch, and Northern pike have a water-body-specific rule on Missouri River main stem, each linking to its full Iowa regulations above. Species not listed here follow the statewide Iowa limits.

← Back to Iowa regulations overview