Monday, September 7, 2026

September Catfish

 


Flathead catfish we caught on a trotline


     Trotlines are productive, and they are enjoyable this time of year when the heat makes nighttime activity more acceptable. But trotlines are hard work, and they are dangerous. It has been said that trotlin­ing isn't "sporting." I can agree with that if you are after a small catfish. Trotlines set in shallow, flat lake coves where channel cat are abundant will often produce only small cats that don’t fight much, although there will usually be plenty of them. When you get ahold of a 30 or 40 pound flathead you have a struggle on your hands

    It takes time and knowledge of the channels and substrate to find big flathead, also known as ‘yellow’ catfish, in a large lake, and it's hard to set lines that don't become entangled, because of submerged stumps and dead timber. 

 

Grandpa Dablemont caught a 72 lb catfish the night I was born

       My grandfather, who was so much of a trotliner he considered all other types of fishing a waste of time, traveled often to Norfolk and Lake of the Ozarks with fishing clients where catfishing in his day was excellent. But he sought out the major tributaries and set his lines where the lake was more of a river. That’s where there were the distinct bluffs, overhangs and underwater ledges where flathead catfish seemed always to be found.

    That time of year, those tributaries see little fishing action. No one is that crazy about fishing in this September heat. Any small stream that feeds a lake, and has “bluff” holes will probably shelter some nice catfish. Of course the Ozark rivers that are free flowing also harbor big flathead, lots of them. And flatheads are especially hungry in September when the water is low, and the nights are dark. Find a deep hole, 15 to 20 feet deep with big rocks or a bluff, and you may find several flathead catfish in the 30- or 40-pound range.

    I've caught a half dozen 25-to 35-pound flathead out of one hole. Not on the same night of course. And once got three flat­head from 36 to 42 pounds taken from a bluff-hole on the upper portion of the War Eagle River near Huntsville. 

    Big rivers like the Missouri and the Osage get plenty of at­tention from trotline fisher­men after lunker cats that can get to be 80 to 100 pounds, but small streams don't. Some holes that we trotlined when I was a kid haven't been seri­ously fished in many years. Flathead don't move a great deal in the summer and early fall when the water is as low as it is now, and not yet cooled. They lie beneath a big rock or ledge or log in deep water, and sometimes wait for their meal to come to them. I believe their skin is sensitive to moonlight, explaining why they feed and prowl better on dark nights. They seem to really turn on when there are those violent late-summer storms at night that may even raise the river a couple of inches.

    Trotlines should run across the hole at an angle, within a few feet of any big rocks if pos­sible. If there's nothing but a bluff, angle the line across the hole just above the bluff, cut­ting through the deep water at a pretty good angle down­stream to the opposite bank. Tie to good solid roots or sapl­ings, and then go back to tie on sinker rocks to your main line every 12-15 feet. These rocks, picked up on a nearby gravel bar, should be about the size of your fist. The main line should be 300- to 400-pound test nylon, stretched fairly taut, but not tight along the surface before the weights are added. If there is a little slack in that main line the weights will stretch it and carry it down. You don’t want it loose enough for a big flathead to move it far enough to hang it up.  Loose trotlines don’t work well. For big flathead, use large number 6-0 or 4-0 hooks, and keep them sharp. They should be at­tached to the main line with 15 to 18 inch "stagion" lines, 50-70 pound test. Some trot-liners use a wire clip to attach these stagions, but with big flathead you shouldn’t mess with them.  Use slip knots and draw them good and tight. 

    To keep stag­ions from slipping up and down your main line, tie knots in the main line every one to two feet. The law requires that trot-line hooks be spread at least three feet apart, and not be left unattended for more than 24 hours. Each line must bear the name and address of the fisherman on a small wood or plastic tag, at one end. And you are allowed only thirty-three hooks.  If you are fishing in another state than Missouri, check to see if trotline laws are different.

Uncle Norten and I with a flathead caught on trotline

    In small streams, I use large live minnows, chubs, small suck­ers or live sunfish for bait, either seined or caught via hook and line. For flatheads you have to have live bait. Cut bait or dead bait works for channel catfish or blue catfish, but not for flatheads.  Night-crawlers do catch some flatheads but they are a poor substitute for live bait, usu­ally stripped off hooks by turtles or crayfish quickly. Have enough bait to run and rebait your lines every three or four hours dur­ing the night if you can stay awake. To do that have a good headlamp.

    Trotlining is dangerous be­cause if you get hooked, the weighted lines can pull you to the bottom. Have a good knife at your belt.  I keep two because I have needed them twice before to cut a line I got hooked by.  When I was 17 I got pulled out of my johnboat and entangled in a line when I lost my balance. Thank goodness for that sharp knife then. Never stand up when running trotlines and by all means use a good stable boat. Kayaks and small canoes, even 17 footers, are too risky for trotlining; those can get you drowned.  So if you drown because you capsize while you are trying to land a big hard pulling catfish from an inadequate boat, don’t complain to me, I warned you!

 

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