Overview
The king of tropical predators, unmatched power and aggression.
Identification
Strong dorsal and anal finsLarge mouthBig eyesLonger upper caudal lobesSmall, tight scalesProminent lateral lineMuscular profileNo prominent vertical bars
- Body
- Sturdy, muscular body with a convex upper profile.
- Colouration
- Gray-silver on the back fading to silvery white on the belly; larger ones may have dark spots.
- Sexual dimorphism
- Absent/not noticeable
- Growth
- Rapid, especially in the early years.
Taxonomy
- Family
- Carangidae
- Order
- Perciformes
- Class
- Actinopterygii
Related species
Caranx sexfasciatusCaranx melampygusCaranx lugubrisCarangoides ferdauElagatis bipinnulata
Habitat & distribution
- Environment
- reefs, coast, open_sea
- Preferred bottom
- reef, sand
- Geographic distribution
- Found throughout the Indo-Pacific, from South Africa to Hawaii and from Australia to Japan.
- Micro-habitat
- Often hides among coral branches, near rocks and submerged structures.
Often found near reefs for protection from predators and easy access to food.
Presence by sea area
Af Sudafrica IndianoPeak
Af Mar Rosso NordPeak
Af Mar Rosso CentroPeak
Af Indiano EstPeak
As Mar ArabicoPeak
As Golfo BengalaPeak
As Mar Cinese SudPeak
Au Nw ShelfPeak
Au Nt TropicalePeak
Au Gbr NordPeak
Au Gbr CentroPeak
Au Coral SeaPeak
Oc FijiPeak
Oc PolinesiaPeak
Oc MicronesiaPeak
Oc PapuaPeak
Open Pacifico TropPeak
Open Indiano TropPeak
Diet
- Primary prey
- fish, squid, octopus
- Secondary prey
- crustaceans, mollusks
- Occasional prey
- seabirds, organic debris
- Feeding behaviour
- Aggressive and opportunistic predator, often active near the surface and patrolling along coral reefs.
- Natural predators
- sharks, saltwater crocodiles, sea snakes
Food competition with other predators can influence hunting dynamics.
Behaviour
- Activity
- diurnal
- Social behaviour
- solitary
- Aggressiveness
- high
- Migration
- Resident, but makes short local movements between day and night.
- Seasonal behaviour
- During warmer months, more often near the surface, while in cooler months retreats to deeper waters.
- Juveniles
- Juveniles form small groups for protection near reefs.
- Adults
- Adult individuals are usually solitary and very territorial.
Reproduction
- Spawning season
- November, December
- Spawning depth
- between 10 and 50 meters
- Eggs
- Pelagic eggs, very small and numerous.
- Larval stage
- Larvae drift with currents, feeding on plankton until metamorphosis.
- Sexual maturity
- varies between 4 and 6 years
When to catch Giant trevally
Activity calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PeakGoodLowInactive
Activity by season
Best times
Dayalba, tramonto
Nightnotte
This species shows peak fishing activity in spring, summer and autumn, when the productivity index (FPI) reaches its highest values.
Fishing activity decreases in winter, when conditions are less favourable.
Ideal conditions
Atmospheric pressure
Low
Extremely aggressive.
Medium
Active hunting along the reef.
High
Less active but still catchable.
Barometric trend
Water temperature
10°COptimal zone: 14-24°C27°C
Preferred tide: moving
Where to catch it
Best spots
coral reefscoastal areasshipwrecksatoll passes
Bottom preference
Spot type
Fishing techniques
Recommended
spinningpoppingdriftingjigging
Other applicable
PoppingSpinningShore JiggingVertical JiggingSlow JiggingLive BaitingTrolling OceanicoSpinning PesanteBeach FishingBolentinoBolentino MedioBolentino PesantePesca A Mosca In MareRock FishingSpinning MedioSpinning VeloceStreamerSurfcastingSurfcasting MedioSurfcasting NotturnoSurfcasting PesanteTraina Col VivoTraina Costiera
Recommended baits
live baitartificial lurespoppersjigs
Baits by pressure
Low
Metal jig pesante (100-300g)Popper grande (GT)Soft plastic grande (20-30cm)Stickbait lungo (pelagici)Wire rig con esca vivaJig head + softbaitMetal jig medio (40-100g)
Medium
Sgombro vivoCefalo vivoEsca viva (generica)Sugarello vivo
High
Metal jig pesante (100-300g)Popper grande (GT)Sgombro vivo
Catch & handling tips
- Fight
- Fights with power, swift bursts, and twists.
- Handling
- Use gloves to avoid cuts from fins and hold fish firmly when lifting.
- Release
- Handle gently, minimize time out of water, and use pliers to remove hooks.
Curiosities & culture
- Record catches
- The IGFA all-tackle record for the Giant Trevally is 72.80 kg caught in Tokara, Japan, in 2006. Scientific literature reports specimens exceeding 50 kg and reaching lengths over 170 cm.
- In the kitchen
- Highly valued for sashimi and sushi, though the meat can be prone to ciguatera.
- Cultural notes
- In Polynesian culture, considered a prestigious catch and a symbol of strength.
- Historical notes
- Traditionally caught using artisanal techniques on Pacific islands.
