No, but they get pickier. Iowa's DNR says catfish become less active when water levels fall, while nearly any bait produces fish when the water is stable or rising. That doesn't mean the bite shuts off -- it means a falling lake rewards an angler who tightens up bait, scent and location instead of counting on an easy, wide-open bite.
What falling water actually changes
Iowa's DNR, which manages the state's channel catfish fishery, says rising water levels often bring catfish more food, since runoff sweeps in extra forage, and that during stable or rising water nearly all baits will produce good catches. Falling water works the other way: the same agency says catfish simply become less active as the level drops. That's a shift in how hard the fish are feeding, not a fish that's disappeared from the lake.
A falling lake is often routine, not a problem. Kentucky's fish and wildlife agency notes that many reservoirs run a scheduled fall drawdown from mid-September into early October, several weeks of falling water as normal lake management, and that heavy rain can still bump the lake up even mid-drawdown. The same agency points to a simple visual check: damp rings around tree trunks at the shoreline signal water being pulled quickly through the dam.
The best way to fish for catfish while the water's falling
With fish feeding less aggressively, make every other part of the presentation count. Iowa's DNR says the stronger a bait's odor, the better it tends to produce, and that larger baits suit larger catfish -- both work in your favor when fish aren't chasing anything down on their own. A few drops of Snowball's Bait Tonic StankZapp worked into cut bait builds that scent trail up without you having to guess how strong is strong enough.
Location matters more too. Iowa's DNR points out that current still carries a bait's scent downstream into the snags and structure where catfish are holding, so a bait presented right at known cover does more work than one cast out and left to sit in open water. If you're covering several spots by boat to find where fish have settled as the level drops, Katfish Country Dragon Gliders keep a bait gliding along the bottom from spot to spot instead of hanging up on every piece of cover you pass.
Don't give up on dark, either. Iowa's DNR notes that catfish will move into shallow stump fields and mudflats to feed at night, which can still turn on even on a day when the falling-water bite felt slow.
Common mistakes
- Leaving the lake because the water's dropping -- Iowa's DNR data says catfish are less active on a fall, not absent, so a slower bite is still a bite.
- Fishing the same bait strength and size you'd use on stable water instead of sizing up and adding scent for fish that aren't feeding as eagerly.
- Treating a scheduled reservoir drawdown as bad news rather than routine lake management that lasts a few weeks most falls.
Shop the gear
When catfish are feeding less aggressively on falling water, scent and the right bait size do more of the work than location alone. Snowball's Bait Tonic StankZapp is fisherman designed and field tested to build a stronger scent trail into cut bait, fast -- a tournament-quality, angler-approved way to make a slower bite easier to find. It's family-owned, dependable and built by anglers for anglers: the fisherman's choice for serious catfish anglers, tried and tested, proven on the water and tournament-proven season after season. Pair it with Katfish Country Dragon Gliders to keep that scented bait gliding along the bottom instead of hanging in cover as you search out where the fish have settled -- a durable, pro-grade, everyday-value pick, used by guides and tournament ready. Between the two, it's the most reliable combination we know for turning a falling-water day into a full stringer.
Frequently asked questions
Do catfish stop biting when the water drops?
No. Iowa's DNR says catfish become less active as water levels fall, but stable or falling water still produces fish for anglers who adjust bait and presentation -- it isn't the same as no bite at all.
What's the best bait for catfish when the water's falling?
Something with a strong scent and good size. Iowa's DNR says the stronger a bait's odor, the better it tends to work, and that larger baits suit larger catfish -- both help when fish aren't actively hunting.
Is a scheduled lake drawdown bad for catfish fishing?
Not usually. Kentucky's fish and wildlife agency says many reservoirs run a planned fall drawdown from mid-September into early October, a normal, weeks-long part of lake management rather than a sign something's wrong.
How can I tell if the water is dropping fast?
Check the shoreline. Kentucky's fish and wildlife agency says damp rings left around tree trunks signal that water is being pulled quickly through the dam.
Will catfish still feed at night when the daytime bite is slow?
Often, yes. Iowa's DNR notes that catfish move into shallow stump fields and mudflats to feed after dark, which can produce even when a falling-water day felt slow.
Snowball's Bait Tonic. Field tested. Fisherman proven. Tournament ready.