What makes a "community hole" keep producing year after year?

A community hole is a structural funnel sitting on a walleye travel route — the one reef top, saddle, or river hole where a broad movement of fish gets pinched through a small area, in every generation. Because walleye attach to conditions rather than territory, the spot never depends on particular resident fish: harvest and pressure remove individuals, and the route replaces them, which is why these places survive decades of being famous. Two caveats keep you honest. Timing is everything — a funnel only funnels when the seasonal movement is actually flowing through it. And concentration cuts both ways: community holes on spawning runs and wintering areas stack fish so densely that they are exactly where overharvest does real damage, which is why several of the best-known ones now sit inside sanctuaries or seasonal closures.

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