Dry FliesGosling
The Gosling is a dry fly pattern designed by Loren Williams. This effective pattern combines traditional materials with proven techniques for consistent results in a variety of water conditions.
Spring, Summer, Fall
Intermediate
Trout
Feb 2026
Overview
Loren Williams created this pattern as a suggestive imitation of small mayflies and caddis, featuring soft CDC fibers for wing material. The delicate construction and neutral colors make it effective when trout are feeding on smaller insects. The pattern's low profile and sparse hackle allow it to settle naturally in the surface film, particularly valuable during calm water conditions.
Materials
Hook: 12 Mustad 9671 (or equivalent 2XL wet fly hook)
Thread: Black 6/0 or 8/0
Tail: Four fibers from tail of European cock pheasant
Rib: Fine gold round tinsel
Body: Amber seal's fur (or substitute)
Hackle: Mallard breast feather in front of (folded) bright orange hackle
Behavior & Presentation
Natural Behavior: Small adult caddisflies drift slowly downstream after falling from overhanging vegetation, their tent-shaped wings held motionless against their bodies. The soft CDC construction and sparse profile settle flush in the film, creating the low-riding, vulnerable appearance of spent Trichoptera in narrow spring creek channels.
Where Trout Eat It: Trout feed on small mayflies and caddis in Northeast stream film, rising from undercut lies tight to banks.
How to Fish It: Present low-profile CDC tight to structure with short casts, letting sparse hackle settle flush in film.
Best Water: Fish undercut banks with 12-24 inches overhead cover, narrow spring creek channels under 10 feet wide, and brush-lined pockets.
Strike Type: Trout positioned tight to undercut banks sip gently; watch for subtle surface disturbances and set smoothly when the fly disappears.
Fishing Strategy
Rigging Suggestions: Use a 9-12 foot leader tapering to 5X tippet for delicate presentations. Apply floatant to the body and hackle.
Seasonal Timing: Most effective during peak feeding periods at dawn and dusk. Water temperatures between 45-65°F typically produce best results.
Pro Tips: The neutral coloration makes this an excellent searching pattern when you're uncertain what's hatching. Fish it with confidence through likely water rather than targeting specific risers, as its visibility triggers opportunistic strikes.
Entomology
Caddisflies exhibit characteristic tent-winged profiles while resting on the surface, slowly drifting downstream after falling from vegetation or completing mating rituals. Trout consume these adult caddis readily because their tent-shaped wings make them highly visible on the water, and their slow drift provides fish ample time to inspect and strike.
- Order
- Trichoptera
- Common Name
- Caddisfly
- Organism Type
- insect
- Life Stage
- adult