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    Bluefin trevally caught on a fly with Alphonse Fishing Company

    The bluefin trevally

    The Bluefin Trevally is considered by many anglers as the most beautiful fish in the Carangidae family for its unique mix of colours and a variety of shades from blue to yellow. Fly saltwater anglers queue up to enjoy the power of the Bluefin trevally’s fighting. The bluefin trevally (Caranx melampygus) has an oblong body with a moderately steep forehead. The overall body colour is dark, dusky green with electric blue markings, especially along the dorsal fin base and the rear, straight region of the lateral line. The flanks and the dorsal surface are densely patterned with small, grey to black spots, which are frequently iridescent blue. The fins are translucent or dusky, except for the dorsal and anal fins, which are brilliant blue, while the pectoral fins are yellow. The these trevallies are also known as the bluefin jack, blue ula, or spotted trevally.

    Key facts about the bluefin trevally

    • Bluefin trevally average length 60 cm
    • Bluefin trevally average weight 3 - 7 kg
    • Bluefin trevally diet Carnivore
    • Bluefin trevally time to maturity 2 years
    • Bluefin trevally average age 4 years

    Finding a Bluefin Trevally

    This beautiful saltwater fish has a great affinity for coral reefs and rocky regions, where they usually hunts about a meter above the reef in small groups. Bluefin cover large areas in search of prey, and feed on smaller fish, shrimp, mantis shrimp, squid, and a variety of crabs. They have a habit of following larger fish, like GT, which drive out hidden prey.

    Best flies for bluefin trevally

    Over the years many methods have been hatched to catch the bluefin trevally with fly fishing tackle. 

    • Alphlexo Crab Fly

      Alphlexo Crab fly is a very realistic imitation of a real crab. It’s a mesh body with a set of 6 legs made of micro chenille and a little bit weighted to be sure it sinks better and faster. Generally, we want to use it in olive, tan, white, or brown to match the colour of the bottom of the habitat that we are fishing in.

      available On Island
    • Clouser Minnow

      On sizes 1/0 to 3/0 this fly imitates a swimming shrimp or even a baitfish. Generally we want this fly to be a bit heavier, so we tie it with dumbbell eyes or even tungsten eyes. Chartreuse over white, tan-white, blue-white or all brown seem to work well. We cast the fly and let it sink a bit, and then we strip fast but long strips. Strikes are quite strong.

      available On Island
    • Deceiver

      Bluefin Trevally prey on a large variety of food; but, they love to eat smaller baitfish that keep in tight shoals. A Deceiver pattern imitates these small fish, which is why it is so effective. It works best if it is lightly dressed, i.e., tied sparsely and stripped through the water as fast as possible.

      available On Island
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    Best Bluefin Trevally Rod Set Up

    Fly fishing is an art form that not everyone can master. It takes skill, patience, determination, and knowledge. The right rod will take you a lot closer to landing the catch. Bluefin trevally is the smaller cousin of the much larger giant trevally; however, they also deserve their fair share of respect as they are exceptionally powerful. Having a fast action rod to get the fly out in front of the fish is important and having enough pulling power in the rod to keep them away from going into the coral reefs is essential. The best fly fishing rods in terms of weight to target this species will therefore be 10 to 11-weight rods.

    Best Tides For Bluefin Trevally

    Pushing tides, especially the beginning of the push during a spring tide, is often a perfect time to fish for these fish in the surf. On the low tide, all of the prey, such as mullet, brassy trevally, and bonefish, are waiting at the edge of the lagoon or outside the reef to get back onto the flats. When the push begins, the fish start to move with the predators like these fish in pursuit, so be ready!

    The best weather conditions for sight fishing these blue hunters are sunny days with good light and slight to moderate wind. Water quality is crucial as bluefin trevally
    prefers cool, clear water, another reason for them being seen during the cold pushing tide.

    Making the catch

    "A stunning setting for a breathtaking experience. It was everything that I hoped for." - James Lowe

    Photos of the bluefin trevally caught on a fly

    A picture tells a thousand words. See what these say about bluefin trevallies caught with Alphonse Fishing Co™.
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    Past bluefin trevally catches

    Once the fish swims away and your adrenaline stops pumping, you'll be left with a great memory and hopefully a fantastic photo.

    Read more about where to catch the bluefin trevally here Read more

    DESTINATIONS

    We choose destinations that meet our anglers’ needs and desires. You can focus on one atoll or combine several for a richer and more varied experience.
    • Alphonse Atoll

      Alphonse Atoll

      Three atolls and islands called Alphonse, Bijoutier and St Francois.

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    • Cosmoledo Atoll

      Cosmoledo Atoll

      One atoll with a vast lagoon surrounded by nineteen islands.

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    • Astove Atoll

      Astove Atoll

      One atoll with an enclosed lagoon surrounded by flats and sheer drop offs.

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    • Farquhar Atoll

      Farquhar Atoll

      One atoll with a vast lagoon surrounded by nine islands.

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    • Amirante Islands

      Amirante Islands

      African Banks, Remire Reef, St Joseph’s Atoll and Poivre Atoll.

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    • Providence Atoll

      Providence Atoll

      One vast atoll with a shallow lagoon, sand banks, flats and channels.

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    MAKE YOUR BLUEFIN TREVALLY FISHING DREAM COME TRUE

    Turn your fly into a fish’s ultimate temptation. The Seychelles, with its 115 islands and deserted atolls, ideal weather and warm Indian Ocean waters, is renowned for being home to some of the world’s richest fishing grounds. You don’t even have to venture too far to break fishing records!

    Unique experiences like nowhere else

    Highlights

    • Home of the world's best fly fishing
    • Unique, bespoke trips to suit your needs
    • Located in the pristine remote outer islands of the Seychelles
    • Luxury accommodation and exquisite food
    • Unrivalled professional guides
    • Some of the richest fishing grounds in the world
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    Let us craft the ultimate bluefin trevally fly fishing experiences for you Enquire Now