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Bluefin-Trevally

The Bluefin Trevally

“Considered by many anglers as the most beautiful fish in the Carangidae family for its unique mix of colors and a variety of shades from blue to yellow, the Bluefin Trevally is a ferocious contender for the fly angler to enjoy the power of its fighting.”

The Bluefin Trevally (Caranx melampygus) has an oblong body with a moderately steep forehead. The overall body color is a 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 that are brilliant blue while the pectoral fins are yellow. The Bluefin Trevally is also known as the bluefin jack, blue ula or spotted trevally.

KEY INFO

  • Common Length 60 cm
  • Max Weight 40 kg
  • Diet Predator
  • Time to maturity 2 years
  • Average Age 4 years

Finding a Bluefin Trevally

This beautiful fish has a great affinity for coral and rocky regions where it usually hunts in small groups about a meter above the reef. The Bluefin Trevally covers large areas in search of prey and its diet includes other smaller fish, shrimps, Mantis Shrimps, squids and a variety of crabs.  It has a habit of following larger fish which may assist it by driving out hidden prey, we see this often happening as the Bluefin will swim among a school of Giant Trevally.

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Best Flies for Bluefin Trevally

Over the years many methods have been hatched to catch the Bluefin Trevally with fly fishing tackle. 

  • Alflexo crab

    Alflexo Crab is very similar imitation of 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 color of the bottom or the habitat that we are fishing in.

    available On Island
  • Clouser minnow

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

    available On Island
  • Brush Flies

    To target bigger Bluefin, who hunt for big prey, use a bait fish imitation. Size of the flies should be 2/0 to 6/0 and fly about 10 to 15 cm in total length. Fishing on the sand requires more natural colors such as white, tan and olive. When fishing the surf or on a darker bottom we want to use slightly darker colors such as black-red, blue, dark green and brown to match the habitat again.

    available On Island
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Best Rods for Bluefin Trevally

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.
  • Smaller fish

    A #9 wt works well with 25lb leader and crab and shrimp imitations to fish for small to medium size fish (1lb-5lb).

    Avaialble On Island
  • Larger fish

    If we fish in the surf or targeting big fish 11 or even 12wt rod with 50 lb to 80 lb leaders and a brush fly are a good choice.

    Avaialble On Island
  • Fast action

    Medium/fast to fast action rods will provide you with good power to make faster casts and make casting a little easier on windy conditions.

    Avaialble On Island
Best Tides Bluefin

Best Tides

Pushing tides, especially the beginning of the push during a spring tide is often a very good time to fish for Bluefin trevally in the surf. On the low tide, all of the prey such as Mullet, Brassy trevally, and Bonefish are waiting at the lagoon edge or outside the reef to get back on to the flats. When the push begins the fish start to move and the predators like Bluefin will be 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 prefer 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

Past Catches

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

Read more about the Bluefin Trevally below straight from our experts 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

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    Alphonse Atoll

    A dream destination for any fly fisherman, Alphonse Atoll in Seychelles is renowned for its expansive sea flats, which provide easy wading and world class fishing.  The atolls are regarded as some of the most pristine, untouched islands in the world yet Alphonse Atoll is just a 60-minute flight from Mahé.

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  • Cosmoledo Atoll

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    Cosmoledo Atoll

    Cosmoledo Atoll is just a stone’s throw away from the world heritage site of Aldabra, often referred to as the Galapagos of the Indian Ocean. Its ecosystem is pristine with saltwater flats and a huge variety of fish species, attracting fly fishermen from around the world. It is home to a newly built eco-camp, dedicated to the atoll’s conservation.

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  • Astove Atoll

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    Astove Atoll

    The home of the biggest giant trevallies in the Indian Ocean, this island in the Seychelles offers superb fly fishing in a shallow lagoon surrounded by sheer drop-offs. Just over a thousand kilometres from Mahe, this atoll forms part of the remote Aldabra group of atolls. Uninhabited since 1969, this atoll has seen very little human presence which makes for a wild and unique experience.

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  • Poivre Island

    Amirante-Islands

    Poivre Island

    Poivre Atoll offers the best of both worlds with stunning flats and arguably one of the best jigging and popping spots that the Amirantes Atolls have to offer. Known for record breaking Dogtooth Tuna and some of the best Indo-Pacific Permit fishing in the Seychelles, Poivre offers the ultimate challenge for any game fisherman worth his salt.

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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 worlds best fly fishing
  • Unique, bespoke trips to suite your needs
  • Located in the pristine remote outer islands of the Seychelles
  • Luxury accommodation and exquisite food
  • Unrivaled professional guides
  • Some of the richest fishing grounds in the world
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Latest Blog Posts

Read what our expert guides have to say or what fish our guests have been catching
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