Thunnus obesus: List of frequency studies
| Locality: |
Year: from - to |
Sex: | Gear: | Frequency type: |
| Central north atlantic, USA | 2001 - 2002 | unsexed/mixed | other | absolute number measured |
| east of bermuda, USA | 2001 - 2002 | unsexed/mixed | other | absolute number measured |
| not specified, New Zealand | 1987 - 2002 | unsexed/mixed | other | absolute number measured |
| off abidjan, Senegal | 2001 - 2002 | unsexed/mixed | other | absolute number measured |
| off angola, Angola | 2001 - 2002 | unsexed/mixed | other | absolute number measured |
| off dakar, Senegal | 2001 - 2002 | unsexed/mixed | other | absolute number measured |
| off grand bank, USA | 2001 - 2002 | unsexed/mixed | other | absolute number measured |