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How to Rig for Flathead Catfish

Pylodictis olivaris

Flatheads are predators that want live fish rather than stinky baits, which sets them apart from channel and blue catfish. They hide in logjams, undercut banks, and deep holes by day and hunt at night, so the best fishing is after dark in summer. Use heavy tackle, since a big flathead heads straight back into the timber once hooked.

Answer at a glance
Best rig
Fish-Finder Rig
Best bait
Live bait such as a small sunfish or bullhead where legal, fished near logjams and deep holes at night
Where
river, lake
Typical size
20–45 in
Season
Peak season: summer
Realistic Fish-Finder Rig fishing rig setup
#1 Best Match

Fish-Finder Rig

beginnerriver · lake

The sinker slides freely on the main line, so a fish can pick up bait and move off without feeling resistance. Good in heavier surf or current where a fixed weight would spook a bite.

  • Main line15-20 lb monofilament
  • Leader20 lb fluorocarbon
  • Leader length12-18in from swivel to hook
  • Hooks5/0 - 8/0 circle hook
  • WeightSliding sinker, 2 - 4oz
  • Line to sinkerSlides freely above swivel, no fixed drop length
  • BaitLive bait such as a small sunfish or bullhead where legal, fished near logjams and deep holes at night
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Realistic Float Rig fishing rig setup
Float Rig
A float suspends bait at a fixed depth instead of dragging it on the bottom, letting current or light wave action carry it naturally past holding fish.
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Main lineThree-way swivelDropper6-18inBank sinkerLeader 24-48inHook
Three-Way Rig
A three-way swivel splits the rig into a short dropper to the weight and a longer leader to the bait, so the bait swings just off the bottom while the weight bounces along below it.
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Main lineEgg sinkerSwivelLeader 18-24inPeg floatCircle hook, cut bait
Santee Cooper Rig
A fish-finder style catfish rig with a small peg float on the leader a few inches above the hook, which lifts cut bait off the bottom and keeps it swaying in view while the sinker drags or sits on the mud.
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Source & regulation note

Technique guidance is educational. Seasons, size limits, bag limits, closures, and protected areas can change. Always verify the current rules before fishing or keeping fish.

FishBase species profile ↗NOAA Fisheries / state agencies ↗Editorial methodology

Fishing regulations vary by location and season. Check current local regulations before fishing.

Last reviewed: 2026-09-26

Common Questions

What is the best rig for Flathead Catfish?

The Fish-Finder Rig is the top recommendation for Flathead Catfish. The sinker slides freely on the main line, so a fish can pick up bait and move off without feeling resistance. Good in heavier surf or current where a fixed weight would spook a bite.

What bait works for Flathead Catfish?

Check the recommended rig cards above for bait notes specific to Flathead Catfish.

When is the best time to catch Flathead Catfish?

Peak season: summer. Typical size runs 20–45 in. Always check current regulations before keeping fish.

Where do you catch Flathead Catfish?

Flathead Catfish is caught while river, lake fishing. Flatheads are predators that want live fish rather than stinky baits, which sets them apart from channel and blue catfish. They hide in logjams, undercut banks, and deep holes by day and hunt at night, so the best fishing is after dark in summer. Use heavy tackle, since a big flathead heads straight back into the timber once hooked.