Species learning profile
Albacore tuna
Thunnus alalunga
Albacore tuna (Thunnus alalunga) is a saltwater fish associated with open ocean habitat in Global. Its exceptionally long pectoral fins reach beyond the second dorsal fin.
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At a glance
- Eau
- Eau salée
- Habitat
- Haute mer
- Longueur maximale
- 140 cm
- Répartition
- Monde entier
- Famille
- Scombridae
- Ordre
- Scombriformes
Observe
How to identify Albacore tuna
- Its exceptionally long pectoral fins reach beyond the second dorsal fin.
- Guide context: open ocean habitat in Global.
- Reported maximum length: 140 cm — capable of growing longer than many people are tall. Maximum is not the same as typical adult size.
Field note: color, size, and markings can change with age, sex, season, depth, and lighting. Use several traits together.
Place and pattern
Where it lives—and how it behaves
Habitat and range
This species is associated with open ocean habitat across Global. With little fixed shelter, currents, temperature fronts, depth, and moving prey define its open-ocean world.
Behavior
Makes broad ocean migrations
Food-web connections
What it eats and why it matters
Diet
Fish, squid, and crustaceans.
Ecological role
Transfers energy across ocean basins.
Remember
One fact worth keeping
Albacore tuna peut atteindre environ 140 cm et vit souvent près de Haute mer.
Think like a conservationist
A conservation lens
Wide-ranging ocean fish can cross many jurisdictions, so bycatch, harvest limits, and international cooperation matter.
This habitat lens is not a current population-status assessment. Status can differ among regions and change as new assessments are published; follow the reference links and local fisheries or wildlife agencies for current decisions.
Recall
Quick knowledge check
Which habitat is most closely associated with Albacore tuna in this guide?
Keep exploring
References and further reading
Fishdle summarizes stable identification and ecology concepts in plain language. Taxonomy and population knowledge continue to change, so use primary assessments and regional authorities for conservation or management decisions.
Make connections