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When are Largemouth Bass biting on Copan Lake?
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Fishing regulations at Copan Lake, OK
Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Oklahoma can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Blue catfish as of April 13th, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Memorable
Aggregate
Keep intact
Statewide bag limit is 15 blue catfish and/or channel catfish, in aggregate with only 1 blue catfish greater than 30-inches.
Site-specific regulations:
All U.S. Forest Service and State Park lakes (except Lake Murray): bag limit = 6 blue catfish and/or channel catfish, in aggregate
Fourche Maline River within the boundaries of Robbers Cave State Park from Carlton Lake Dam downstream to the southern park boundary: bag limit = 6 blue catfish and/or channel catfish, in aggregate
All Department Management Area ponds and fishing areas: bag limit = 6 blue catfish and/or channel catfish, in aggregate
All waters within the Wichita Mountains Wildlife Refuge: bag limit = 6 blue catfish and/or channel catfish, in aggregate
Ictalurus furcatus
Regulations for
FAQ about Copan Lake fishing
- Blue catfish - 21 members reported to have caught this fish
- Largemouth bass - 18 members reported to have caught this fish
- White bass - 9 members reported to have caught this fish
- @Bsoutdoortime reported a nice White bass.
- @noah-henderson reported a nice Blue catfish.
- @Amj591 reported a nice Blue catfish.
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