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Thunnus albacares  (Bonnaterre, 1788)

Yellowfin tuna
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Image of Thunnus albacares (Yellowfin tuna)
Thunnus albacares
Picture by Archambault, C.


Philippines country information

Common names: Albakora, Badla-an, Badla-an
Occurrence: native
Salinity: marine
Abundance: | Ref:
Importance: commercial | Ref:
Aquaculture: | Ref:
Regulations: | Ref:
Uses: gamefish: yes;
Comments: Also Ref. 393, 2178, 6565.
National Checklist:
Country Information: https://www.cia.gov/library/publications/resources/the-world-factbook/geos/rp.html
National Fisheries Authority:
Occurrences: Occurrences Point map
Main Ref: Collette, B.B. and C.E. Nauen, 1983
National Database:

Classification / Names

Actinopterygii (ray-finned fishes) > Perciformes (Perch-likes) > Scombridae (Mackerels, tunas, bonitos) > Scombrinae
Common names | Synonyms | Catalog of Fishes (gen., sp.) | ITIS | CoL

Common names from other countries

Main reference

Size / Weight / Age

Max length : 239 cm FL male/unsexed; (Ref. 40637); common length : 150 cm FL male/unsexed; (Ref. 168); max. published weight: 200.0 kg (Ref. 26550); max. reported age: 9 years (Ref. 72462)

Length at first maturity
Lm 103.3, range 78 - 158 cm

Environment

Marine; brackish; pelagic-oceanic; oceanodromous (Ref. 51243); depth range 1 - 250 m (Ref. 6390), usually 1 - 100 m (Ref. 55289)

Climate / Range

Tropical; 15°C - 31°C (Ref. 168); 59°N - 48°S, 180°W - 180°E

Distribution

Worldwide in tropical and subtropical seas, but absent from the Mediterranean Sea. Highly migratory species, Annex I of the 1982 Convention on the Law of the Sea (Ref. 26139).
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Short description

Dorsal spines (total): 11 - 14; Dorsal soft rays (total): 12-16; Anal spines: 0; Anal soft rays: 11 - 16; Vertebrae: 39. Fish with very long second dorsal fin and anal fin, which in some may reach well over 20% of the FL. The pectoral fin is moderately long, usually reaching beyond the second dorsal fin origin but not beyond the end of its base. Color is black metallic dark blue changing through yellow to silver on the belly. The belly frequently has about 20 broken, nearly vertical lines. The dorsal and anal fins and finlets are bright yellow.

Biology     Glossary (e.g. epibenthic)

An oceanic species occurring above and below the thermoclines. Pelagic in open water , but rarely seen near reefs (Ref. 48637). They school primarily by size, either in monospecific or multi-species groups. Larger fish frequently school with porpoises, also associated with floating debris and other objects. Feed on fishes, crustaceans and squids. It is sensitive to low concentrations of oxygen and therefore is not usually caught below 250 m in the tropics (Ref. 28952, 30329). Peak spawning occurs during the summer, in batches (Ref. 9684, 51846). Eggs and larvae are pelagic (Ref. 6769). Encircling nets are employed to catch schools near the surface (Ref. 9340). Marketed mainly frozen and canned (Ref. 9684), but also fresh (Ref. 9340) and smoked (Ref. 9987). Highly valued for sashimi (Ref. 26938).

IUCN Red List Status (Ref. 115185)

Threat to humans

  Harmless



Human uses

Fisheries: highly commercial; aquaculture: experimental; gamefish: yes

Tools

Special reports

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Internet sources

Estimates of some properties based on models

Phylogenetic diversity index (Ref. 82805)
PD50 = 0.5039 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Trophic Level (Ref. 69278)
4.4   ±0.4 se; Based on diet studies.

Resilience (Ref. 69278)
Medium, minimum population doubling time 1.4 - 4.4 years (K=0.13-0.42; tm=2-5; tmax=8; Fec=200,000)

Vulnerability (Ref. 59153)
Moderate to high vulnerability (51 of 100)
Price category (Ref. 80766)
High