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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محيط مفتوحScombridae

At a glance

المياه
مياه مالحة
Habitat
محيط مفتوح
أقصى طول
140 cm
النطاق
حول العالم
الفصيلة
Scombridae
الرتبة
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

قد يصل طول Albacore tuna إلى نحو 140 سم، ويوجد غالبًا قرب محيط مفتوح.

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.

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