Devaux Gammarus Fly JBG00

Discover the Devaux Gammarus JBG00 Flies, an essential choice for fly anglers seeking authenticity, performance and innovation. Designed by the renowned French brand Devaux, these artificial flies perfectly imitate the freshwater shrimp, the gammarus, a favorite prey of many fish species, notably river trout. Their striking realism and great versatility make them indispensable allies for demanding enthusiasts.

Technical features

• Ultra-realistic hand-assembled design


• Synthetic and natural fibers for a translucent effect


• Premium hooks carefully selected


• Durable construction for multiple sessions


• Compatible with all leader types

The Devaux Gammarus JBG00 Flies are based on an exclusive design developed by specialists in the discipline. Their blend of translucent synthetic fibers and natural materials creates an extremely lifelike silhouette and movement in the water. Every detail, from the translucent back to the subtle body hue, faithfully reproduces the morphology and nuanced tones of living gammarus. The carefully chosen hook ensures strength, hooking efficiency and discretion in currents, guaranteeing a neat and enticing presentation.

Benefits and highlights
- Extremely realistic gammarus imitation, significantly increasing your chances of tempting wary fish.
- Handcrafted with the quality standards that made Devaux famous.
- Remarkable durability and retention of appearance even after multiple catches.
- Suitable for both sight-nymphing and controlled drift techniques, across all current types.
- Universal compatibility with various techniques and leader configurations.

Usage tips and recommended rigs
To fully exploit the potential of the Gammarus JBG00 Flies, rig them on thin, discreet leaders (recommended diameter: 0.12–0.16 mm). They perform best with sight-nymphing techniques or delicate presentations in clear water. Ideal when paired with a light nymph tip to explore margins and slow drifts. For action, gentle twitches or natural drift animations effectively simulate the movements of a real gammarus.

Testimonials and expert opinion
“Since the release of Devaux’s Gammarus JBG00 flies, I use them whenever fishing becomes demanding early in the season or when facing wary fish. Their stunning realism, robustness and ability to trigger strikes from picky trout make them a must-have in my fly box.” – Arnaud, professional fishing guide (2024)

FAQ and additional information
1. Are these flies suitable for reservoir fishing? Yes, their realism attracts both wild and stocked fish in still waters.
2. What species can be targeted with the Gammarus JBG00? Primarily trout, but also grayling, chub and other species that feed on gammarus.
3. How should I care for my Devaux flies? After each outing, rinse them in clean water and let them air dry to preserve their appearance and longevity.

By investing in the Devaux Gammarus JBG00 Flies, you choose the reference for modern fly fishing, dedicated to your passion and success on the water.