Bigeye (Thunnus Obesus) can form either free schools or are associated with floating objects; juvenile Bigeye will form schools with juvenile Yellowfin and Skipjack tunas.

SPECIES CHARACTERISTICS

Size (cm) Weight (kg) Age (yrs)
Common 40-180 1.4-130
Maximum 230 210 15
Maturity 102-135 25-57 3-4

GEOGRAPHIC LIMITS

  • From 55-60° North and 45-50° South
  • Juveniles are seen in the equatorial region while adults are found at higher latitudes

SPECIES MANAGEMENT

The following four Bigeye stocks are assessed and managed by the RFMOs:

  • Atlantic Ocean
  • Eastern Pacific
  • Western Pacific
  • Indian Ocean
See Bigeye-related News