Tube Fishing for Smallmouth Bass: The Complete Guide

Ask any serious tournament smallmouth angler what single bait they would choose if limited to one, and the answer is almost always the same: a tube jig. Not a drop shot, not a swimbait, not a jerkbait — a tube. The tube's crayfish-mimicking fall, the tentacle action that produces in even minimal current, and the ability to fish it through rocky substrate without constant snagging makes it the definitive smallmouth bait in both rivers and lakes.

The problem is that most anglers fish tubes wrong. They cast it out, let it sink, hop it off the bottom in big bounces, and wonder why they're not getting bites. Experienced tube anglers do almost the opposite — they drag slowly, fish on a slightly slack line, and let the tube's natural action do the work. This guide covers that technique in detail.

Rigging a Tube: Internal vs External Head

Two rigging methods exist for tube jigs. The internal head method — inserting the jig head inside the hollow body of the tube — produces a more natural, horizontal fall and the best tentacle action on the descent. This is the correct method for smallmouth. The external head method (hook through the nose, external jig head visible) produces a different fall angle and is less effective for the slow-drag smallmouth presentation.

To rig internally: thread the hook point through the bottom of the tube, turn the point to exit through the side of the tube body, and expose just the hook tip for weedless rigging. The tube should sit perpendicular to the hook shank when completed. Test the fall in clear water next to the boat — it should fall horizontally with the tentacles pulsing evenly. An uneven fall means the hook is off-center.

Color Selection: When to Use What

Smoke/Green Flake: The universal smallmouth tube color. Translucent smoke body with green flake catches available light naturally. Works in any clarity, any season, any depth. Start here and only change if you have specific evidence that another color outperforms it.

Brown/Orange (Crayfish Pattern): Primary color for rocky river fishing in summer when crayfish are the dominant forage. The orange tones match the soft-orange underbelly of a molting crayfish — the form most vulnerable to predation and the form smallmouth target specifically.

Watermelon/Red Flake: Clear, highly pressured water where smoke seems too flashy. The more subdued green tones work on fish that have seen smoke/green repeatedly. Late summer, high-pressure lakes.

Black/Blue: Night fishing and extremely stained river conditions. Maximum silhouette contrast for low-light and limited-visibility conditions.

River Tube Technique: The Upstream Cast

In river current, the most effective tube technique begins before the cast. Identify the current seam — the boundary between fast water and the soft pocket behind a rock or in a pool tail-out. Cast 45 degrees upstream of the target so the tube can drift naturally through the seam on a semi-slack line.

As the tube drifts, minimize rod movement. Mend the line upstream if current is pulling your line in an arc — this keeps the tube drifting naturally rather than swinging artificially across the current. Bites feel like the tube got heavy or the drift stopped unnaturally. Strike with a sideways rod sweep parallel to the water surface — not upward, which lifts the hook out of the fish's mouth in current.

Lake Tube Technique: The Slow Drag

Lake smallmouth require a completely different approach. Cast past the rocky structure, allow the tube to sink completely to bottom, then drag it slowly toward you with a rod motion from 8 to 11 o'clock — covering roughly 18 inches of bottom. Let the tube settle back down completely before the next drag. Count 3 seconds during each pause.

The majority of bites come during the fall after the drag, not during the drag itself. The drag lifts the tube off the bottom and disturbs a small puff of silt — the fall after the drag is when the tube looks most like a crayfish retreating to cover.