The F-Fly Olive Cul De Canard Trout Fly is a renowned dry fly, celebrated for its simplicity and effectiveness in trout fishing. Originating from the innovative designs of Marjan Fratnik in the 1980s, this fly has become a staple in anglers' boxes. Its key feature is the use of Cul De Canard (CDC) feathers, which provide exceptional buoyancy and a natural appearance on the water's surface.
The olive colour mimics a variety of natural insects, making it versatile across different fishing conditions. Lightweight and easy to cast, the F-Fly is particularly effective during hatches, enticing even the most selective trout. Its minimalist design ensures it lands softly, reducing the risk of spooking fish..
F-Fishing Fly Olive Cul De Canard Trout Fishing Fly
- Fishing Techniques.
The Olive Cul De Canard (CDC) Trout Fishing Fly is best used in clear, slow-moving waters where trout are feeding on the surface. To maximise effectiveness, present the fly delicately by using a light tippet and a long leader to avoid spooking the fish. Cast upstream and allow the fly to drift naturally with the current, mimicking an emerging insect. Use a dead-drift presentation, ensuring the fly floats naturally without drag. For retrieves, employ a gentle twitching motion to imitate a struggling insect, which can trigger strikes from curious or opportunistic trout. Adjust tactics based on water conditions and fish behaviour.
Key Seasons - when is this
CDC Trout Fly
most effective?
The Olive Cul De Canard fly is most effective during the spring and autumn months when olive hatches are prevalent. In spring, focus on March to May, as the warming waters trigger the emergence of olives, making this fly particularly enticing to trout. Autumn, from September to November, also sees a resurgence of olive hatches, providing another prime opportunity. This fly excels in overcast conditions or when there's a light drizzle, as these conditions often encourage olives to hatch. Use it in slow-moving waters or pools where trout are likely to be feeding on the surface.
How does the Turrall F-Fly Olive Cul De Canard Trout Fly imitate a key stage in a fish's diet?
The Olive Cul De Canard fly is designed to mimic the emerging stage of the Baetis mayfly, commonly known as the Blue-Winged Olive. This fly represents the crucial moment when the nymph transitions to a dun, floating just beneath or on the water's surface. During this stage, the mayfly is vulnerable, making it an easy target for trout.
The CDC (Cul De Canard) feathers used in the fly's construction provide buoyancy and a lifelike appearance, effectively imitating the natural shimmer and movement of the emerging insect. Trout are particularly drawn to this stage as it offers a high-protein meal with minimal effort.
F-Fly Olive Cul De Canard Trout Fly expertly tied
by Turrall for maximum performance.
The Turrall F-Fly Olive Cul De Canard Trout Fly is expertly tied using high-quality materials to ensure maximum performance on the water. Crafted with precision, the fly features premium Cul De Canard feathers, known for their natural buoyancy and lifelike movement, creating a realistic profile that effectively mimics natural insects. The olive colouration is carefully selected to match a variety of aquatic environments, enhancing its effectiveness in attracting trout. Turrall's meticulous attention to detail ensures each fly is durable and reliable, making it a must-have for any angler seeking success.
Perfect for UK waters, this fly is a testament to Turrall's commitment to quality and performance.
Turrall F-Fly Olive Cul De Canard Trout Fly CU29
- Turrall Premium Award-Winning Flies – The Best in Fly Fishing
England is the birthplace of fly fishing, and Turrall & Co. Ltd. is proud to be its longest-established company of professional fly dressers, crafting premium flies since the mid-nineteenth century. Over the years, Turrall has earned prestigious recognition from The Sunday Times, Country Living Magazine, and EFTTEX – the leading European Fishing Tackle Trade Association.
Every Turrall fly is the result of traditional craftsmanship fused with modern innovation, delivering consistent, high-performance results on the water. Turrall use only the finest materials, starting with high carbon steel hooks—needle-ground, surgically sharp, and double-coated for durability. Matched with world-class feathers and furs, including
Metz Genetic Hackles where appropriate, these hand-tied patterns are trusted by fly anglers worldwide.
