Illinois · USA
Lake Decatur
- Region
- Illinois, USA
- Regulation zone
- Illinois statewide regulations
Species in Lake Decatur
Black Crappie
Bluegill
Channel Catfish
Common Carp
Flathead Catfish
Freshwater Drum
Hybrid Striped Bass
Largemouth Bass
Walleye
White Bass
White Crappie
Tap a species for Bump Board's full tactics guide.
Seasons & limits — Illinois statewide regulations
| Species | Season | Limit | Notes |
|---|---|---|---|
| Blue, Channel and Flathead Catfish | Open all year (no closed season) unless a site-specific rule applies | No daily harvest limit and no size limits (except site-specific regulations) | — |
| Bluegill, Redear Sunfish and other sunfish | Open all year (no closed season) unless a site-specific rule applies | No daily harvest limit and no size limits (except site-specific regulations) | — |
| Crappie (White, Black and Hybrid) | Open all year (no closed season) unless a site-specific rule applies | No daily harvest limit and no size limits (except site-specific regulations) | — |
| Walleye, Sauger and Saugeye | Open all year (no closed season) unless a site-specific rule applies | 14 inch minimum length limit (except the Mississippi and Wabash rivers); 6 per day in aggregate | — |
Always confirm regulations with the official state regulations before fishing — rules change, and waterbody-specific exceptions apply.
Waterbody-specific rules
- All Fish: 2 pole and line fishing only; bullfrogs may not be taken by spear; no bow fishing devices
- Large or Smallmouth Bass: 14 inch minimum length limit; 6 fish daily harvest limit
- White, Black, or Hybrid Crappie: 10 inch minimum length limit; 10 fish daily harvest limit
More Illinois lakes
Species: Illinois state fisheries lake records, via the Bump Board dataset.