Overview
Large tropical pelagic, fast and powerful, one of the most coveted catches.
Identification
Long pectoral finsYellow dorsal and anal finsProminent lateral lineStreamlined bodyLong second dorsalCrescent-shaped finsPowerful musculatureRelatively large eyes
- Body
- Streamlined and hydrodynamic body, with very pronounced crescent-shaped fins.
- Colouration
- Dark blue body on the back, silvery on the sides and belly, with bright yellow fins.
- Sexual dimorphism
- Absent/not prominent
- Growth
- Rapid, particularly in juvenile stages to quickly reach large sizes.
Taxonomy
- Family
- Scombridae
- Order
- Scombriformes
- Class
- Actinopterygii
Related species
Thunnus thynnusThunnus alalungaThunnus maccoyiiThunnus obesusThunnus orientalis
Habitat & distribution
- Environment
- open_sea
- Preferred bottom
- pelagic
- Geographic distribution
- Widespread in all tropical and subtropical waters of the Atlantic, Pacific, and Indian Oceans.
- Micro-habitat
- Often found near schools of other pelagic fish and in nutrient-rich currents.
Favors open waters but doesn't shy away from coastal incursions if prey is plentiful.
Presence by sea area
Tirreno NordPeak
Tirreno CentroPeak
Tirreno SudPeak
Adriatico NordPeak
Adriatico CentroPeak
Adriatico SudPeak
Ionio NordPeak
Ionio CentroPeak
Sardegna OvestPeak
Sardegna EstPeak
Sicilia TirrenoPeak
Sicilia Ionio CanalePeak
Eu Mediterraneo OvestPeak
Eu Mediterraneo EstPeak
Eu Azzorre Madeira CanariePeak
Af Atlantico Trop EPeak
Af Golfo GuineaPeak
Af Sudafrica IndianoPeak
Af Indiano EstPeak
Na Costa Est SudPeak
Na Golfo MessicoPeak
Na CaraibiPeak
Na Baja CaliforniaPeak
Sa Brasile NordPeak
Sa Brasile EstPeak
Sa Pacifico SePeak
As Mar ArabicoPeak
As Mar Cinese SudPeak
As Giappone SudPeak
Au Nw ShelfPeak
Au Gbr NordPeak
Au Coral SeaPeak
Oc FijiPeak
Oc PolinesiaPeak
Oc MicronesiaPeak
Oc PapuaPeak
Open Pacifico TropPeak
Open Atlantico TropPeak
Open Indiano TropPeak
Open Indiano TempPeak
Diet
- Primary prey
- fish, squid, crustaceans
- Secondary prey
- cephalopods, small tunas, sardines
- Occasional prey
- jellyfish, plankton
- Feeding behaviour
- Active hunter both day and night, capable of rapid surface bursts to catch prey.
- Natural predators
- sharks, larger succeeding tunas, humans
Uses hunting strategies that vary with prey size and environmental conditions.
Behaviour
- Activity
- diurnal
- Social behaviour
- large_schools
- Aggressiveness
- medium
- Migration
- Migratory, follows ocean currents and nutrient upwelling seasons.
- Seasonal behaviour
- Often approaches the coast in warmer months and follows food-rich currents.
- Juveniles
- Juveniles form large schools and move in warm surface waters.
- Adults
- Adults can form large pelagic schools and are often found with other pelagic species.
Reproduction
- Spawning season
- June, July, August
- Spawning depth
- Pelagic, at the surface over open tropical waters.
- Eggs
- Pelagic eggs, small and transparent, floating freely in water columns.
- Larval stage
- Larvae are pelagic, delicate and transparent, with rapid growth in food-rich waters.
- Sexual maturity
- 2-3 years
When to catch Yellowfin tuna
Activity calendar
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
PeakGoodLowInactive
Activity by season
Best times
Dayalba, mattina, tramonto
Night—
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
Feeding frenzy on surface.
Medium
Active hunting at mid-water.
High
Deeper, less predictable.
Barometric trend
Water temperature
10°COptimal zone: 14-24°C27°C
Preferred tide: moving
Where to catch it
Best spots
oceanic ridgesnutrient-rich currentsareas with abundant small fish
Bottom preference
Spot type
Fishing techniques
Recommended
trollingdriftingspinningsaltwater fly fishing
Other applicable
Trolling OceanicoLive BaitingDriftingDrifting LeggeroPoppingSpinning OffshoreSpinning PesanteTraina CostieraVertical Jigging
Recommended baits
live baitfishsquidfeather luresjigs
Baits by pressure
Low
Cedar plugMetal jig extra heavy (300g+)Popper grande (GT)Skirted trolling (Pusher/Chugger)Soft plastic grande (20-30cm)Stickbait lungo (pelagici)Feather jig
Medium
Goggle-eye vivoSardina vivaSgombro vivoTonnetto vivoAcciuga vivaEsca viva (generica)Pezzo di pesce
High
Cedar plugGoggle-eye vivoMetal jig extra heavy (300g+)
Catch & handling tips
- Fight
- Energetic fight with powerful runs and fast lateral thrashing.
- Handling
- Use gloves and pliers, avoid excessive physical stress.
- Release
- Ensure the fish is lively, releasing it quickly with minimal handling.
Curiosities & culture
- Record catches
- The IGFA all-tackle world record for yellowfin tuna is 193.68 kg, set in 1977 at Cabo San Lucas, Mexico. It's a popular species in sport-fishing, with catches over 100 kg considered trophies.
- In the kitchen
- Widely used in Japanese cuisine as sashimi, and Mediterranean cuisine grilled or canned.
- Cultural notes
- Symbol of power and speed, often celebrated in coastal maritime art.
- Historical notes
- For centuries, yellowfin tuna has been central to the nautical economies of many coastal civilizations.
