NymphTim's Water Boatman
Tim's Water Boatman is a realistic imitation of the aquatic insects that trout feed on heavily in stillwaters. This pattern features a gunmetal glass bead for weight and realistic head, a mottled bustard thinskin shellback that creates the distinctive domed profile, pearl lateral scale flash, a body of black peacock ice dub, and black superfloss legs that suggest the oar-like appendages water boatmen use for swimming. UV resin coating completes the fly with durability and a realistic sheen.
Year Round
Intermediate
Trout
Dec 2025
Overview
This Charlie Craven pattern from Charlie's Fly Box represents a highly effective stillwater pattern that imitates water boatmen - aquatic insects that are abundant in lakes and ponds. Water boatmen swim to the surface to collect air bubbles, making them vulnerable to trout throughout the water column. The mottled bustard thinskin creates the distinctive mottled appearance of natural water boatmen backs while the pearl lateral scale underneath adds the silvery flash of trapped air bubbles. The gunmetal glass bead provides just enough weight to sink the fly while adding a realistic head shape. Black superfloss creates the extended rear legs that water boatmen use for propulsion. The ice dub body provides both color and subtle flash. UV resin coating over the shellback creates durability and the glossy, wet appearance of natural insects.
Materials
Hook: Tiemco 3769, #14-16
Bead: Glass Bead (medium), gunmetal
Weight: Lead Wire, .010
Thread: UNI 8/0, black
Shellback: Thinskin, mottled bustard
Flash: Lateral Scale, pearl
Body: Ice Dub, black peacock
Legs: Superfloss, black
Coating: Solarez UV Resin
Behavior & Presentation
Natural Behavior: Water boatmen propel themselves through mid-water depths using rapid oar-like leg strokes, surfacing periodically to capture air bubbles before diving back toward vegetation. Their jerky swimming and constant vertical movement make them conspicuous year-round prey in lakes and ponds.
Where Trout Eat It: Trout cruise mid-column in lakes and ponds, intercepting water boatmen during their air-refilling ascents and descents.
How to Fish It: Use erratic strip-pause retrieves mimicking the darting swimming motion, or fish upward toward the surface to imitate air-seeking behavior.
Best Water: Work weed edges where water boatmen concentrate, drop-offs along vegetation transitions, and shoals with aquatic plant growth.
Strike Type: Strikes feel like firm pulls or steady line draws as fish intercept the moving pattern mid-retrieve.
Fishing Strategy
Rigging Suggestions: Fish on a 12-foot leader with 4X-5X fluorocarbon tippet. Use a floating line and count down to reach different depths. Can also be fished under an indicator for a more static presentation.
Seasonal Timing: Effective year-round in stillwaters, with peak activity during warmer months when water boatmen are most active. Can be particularly productive.
Pro Tips: This is a sinking pattern designed to probe the water column. The dark coloration provides visibility to fish while the pearl flash suggests the air bubble water boatmen carry with them.
Entomology
Water boatmen swim actively through stillwater environments using their oar-like hind legs, periodically surfacing for air bubbles that shimmer visibly before diving back toward aquatic vegetation. Their jerky swimming motion and year-round availability make them important forage in lakes and ponds where trout readily intercept them during their constant vertical migrations.
- Order
- Hemiptera
- Family
- Corixidae
- Common Name
- Water Boatman
- Organism Type
- insect
- Life Stage
- general