Fishing Charters in Texas
Browse fishing charters in Texas that can help you catch flathead catfish.
Best Time to Catch Flathead Catfish
Flathead Catfish can be caught year-round in Gilmer. Right now in March, activity is Fair.
Seasonal Activity Chart

Flathead Catfish
If you're after a true whiskerfish, Gilmer, Texas, offers some fantastic flathead catfish opportunities. Lake Gilmer and nearby Lake Bob Sandlin are prime locations, known for harboring some real monsters. These lakes have plenty of timber and structure, exactly what flatheads love. The best time to target them is from late spring through early fall, when the water temperatures are warmer and they're actively feeding. Summer nights are especially productive. A local tip: focus on areas with submerged timber near creek channels. Many anglers have success drifting live bait like sunfish or bullheads. Be prepared for a fight; these fish can get huge, and the thick cover makes landing them a challenge. The flathead population in these East Texas lakes is healthy, with consistent reports of fish over 50 pounds, so bring your heavy gear!
Plan a Trip to Gilmer
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How to Catch Flathead Catfish
Detailed fishing techniques coming soon for Flathead Catfish in Gilmer.
Flathead Catfish Fishing Regulations in Texas
Open Season
Year-round
Daily Bag Limit
5 per day
Size Limit
18-inch minimum
License Required
Freshwater fishing license
For catfish, only 1 may be 30 inches or greater in length.
⚠️ Always verify current regulations with the Texas state wildlife agency before fishing.
Related Species in Texas
Frequently Asked Questions
What's the best bait for flathead catfish in Gilmer, TX?
Live bait is king when targeting flathead catfish. Bluegill, perch, or other small fish are excellent choices. Fish them near structure like submerged logs or rocky areas.
What size flathead catfish can I keep in Texas?
In Texas, the minimum size limit for flathead catfish is 18 inches. You can only keep flathead catfish that are 18 inches or longer.
What's the daily limit for flathead catfish in Texas?
The daily bag limit for flathead catfish in Texas is 5 fish per person. This applies to most public waters.
When is the best time to target flathead catfish near Gilmer, Texas?
Flathead catfish are most active during the warmer months, especially from late spring through early fall. Night fishing can be particularly productive.
More Flathead Catfish Fishing in Texas
Other Species to Fish in Gilmer
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