Trevally, Giant

(Caranx ignobilis)

Commonly referred to as G.Ts!

The giant trevally as its name suggests is the giant of the trevally species. Its enormous size and incredible power have gained the GT a reputation of a tackle destroying monster! They are a super aggressive predator that is capable of mind blowing surface strikes and is highly regarded around the world by many as being the hardest pulling sport fish imaginable. These bad boys are certainly not for the faint hearted or under gunned angler!

Distribution

Giant trevally can be located from as far south as Shark Bay right up to the magnificent Kimberley region throughout Western Australia and also parts of Queensland and the Northern Territory.

Growth

Giant trevally grow to a staggering 60kg in weight and measure up to 1.9m in length although a typical sized GT is around 10 – 15kg in most Australian locations.

Habitat

Giant trevally prefer shallow sand flats and reef with near by access to deeper water with large numbers of small bait fish present, they also frequent areas such as jetty’s, in shore reef systems and estuary’s. GT’s can also be encountered in deeper water to 50 meters when spawning and are often seen feeding amongst other pelagic species such as mackerel and tuna.

Identification

Giant trevally are often confused for brassy trevally –  Caranx papuensis and although there are many similarities between the two species the brassy trevally is easily identified by its yellow fin colouration as opposed to the darker fins and body colouration of the GT. Giant trevally generally have a much broader, deeper body shape to that of the brassy also. Sharp tail scoots are present at the base of the tail and the mouth is extremely powerful with some nasty teeth present.

Taste rating

  • Forty Taste Rating
    40%

GT’s like most trevally species are better known for their sporting abilities rather than their eating qualities!

Sport rating

  • One Hundred Sport Rating
    100%

GT’s like all trevally are a hard fighting species that will test the skill of most anglers, they are the ultimate when it comes to popper crunching, arm wrenching power!

Tackle requirements

Medium to heavy weight graphite rods in the 15 – 24kg range, around 6’ in length matched to strong, robust, spin reels in the 8000 – 10,000 class spooled with braided or gel spun lines with a breaking strain of 30 – 50lb are ideal for casting lures both from the shore and out in the boat for most trevally species including GT‘s. Trolling is also a popular technique and requires an overhead or spin combo spooled with 10 – 15kg brightly coloured nylon or braided line. Medium class lever drag reels and light rods are ideally suited for this exciting style of fishing. GT’s do have sharp teeth so heavy nylon or fluoro carbon leaders in the 100 – 200lb class are generally required to prevent being bitten through or rubbed off on structure.

Recommended baits, lures and rigs

Large mullet and whiting make great live baits for giant trevally, try fishing them on long, nylon or fluoro carbon leaders and running sinker rigs. It is also important to match your hook size to your bait. Medium to large sized hard bodied lures are also ideal for both casting from shore and trolling from a boat at around 4 – 6 knots for many species including trevally with metal slices, soft plastics, surface lures and fly’s also proving to be incredibly effective on this super aggressive species. Surface lures such as poppers and stick baits are not only especially effective but also visually spectacular when launched upon by large, powerful GT’s!

Handy hints and tips

Wearing a casting glove not only prevents line cuts during long casting sessions but also protects wet, soft hands from razor sharp tail scoots. You might also want to visit the local gym a few times before attempting to fish for G.T’S!

Preferred fishing times and tides

Rising or full tides are best suited for targeting most inshore species including trevally.

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