Iowa · USA
Rathbun Lake
- Region
- Iowa, USA
- Regulation zone
- Iowa statewide regulations
Species in Rathbun Lake
Black Crappie
Channel Catfish
Flathead Catfish
Largemouth Bass
Walleye
White Bass
White Crappie
Wiper (Hybrid Striped Bass)
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Seasons & limits — Iowa statewide regulations
| Species | Season | Limit | Notes |
|---|---|---|---|
| Walleye, sauger and saugeye (combined) | Continuous, except on West Okoboji, East Okoboji and Spirit lakes (open May 2, 2026 - February 14, 2027) | Combined daily 5 and possession 10; no length limit except special lakes (see specialWaters), which have a daily bag of 3 and possession of 6 plus length restrictions | — |
| Yellow bass, white bass, rock bass and hybrid striped bass (wiper) | Continuous | Inland waters: no daily, possession or length limits | — |
Always confirm regulations with the official state regulations before fishing — rules change, and waterbody-specific exceptions apply.
Waterbody-specific rules
- Walleye: 15-inch minimum length limit; daily bag limit 5 and possession limit 10
More Iowa lakes
Species: Iowa state fisheries lake records, via the Bump Board dataset.