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Illinois record book

Biggest Flathead Catfish in Illinois

Verified measurements rank first, longest to shortest. Public unknown-length catches appear below them. Every measured flathead catfish in Illinois outranks an unknown length.

1 public catch1 waterHolds the USA recordIllinois regulations ↗
unknown length Flathead Catfish
Illinois Flathead Catfish Record

Flathead Catfish

@zach · Rend Lake

Nov 1, 2026

unknown length
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Top flathead catfish in Illinois

1
Flathead Catfish
@zach · Rend Lake · Nov 1, 2026
unknown length

Where the records are set

Rend Lake

1 public catch

unknown length

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USA Flathead Catfish records
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Anglers must hold a valid fishing license for the state they're fishing. Always follow your local fishing rules and regulations. Handle fish with speed and care: wet hands, minimal air time, quick release.

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