List of frequency studies for Thunnus albacares
Locality Year
from - to
Sex Gear Frequency type
Bohol Sea, Cuyo-East Pass, Illana and Tayabas bay, Philippines 1983 - 1988 unsexed/mixed  various gears  absolute number measured 
Darigayos Cove, La Union, Philippines 1981 - 1981 unsexed/mixed  hooks and lines  absolute number measured 
east of bermuda, USA 2001 - 2002 unsexed/mixed  other  absolute number measured 
Manus Is.(N), New Hanover Is. (N&S) & Bismarck Sea (E), Papua New Guinea 1977 - 1979 unsexed/mixed  other  % of sample 
New Hanover (north), Papua New Guinea 1978 - 1979 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 dakar, Senegal 2001 - 2002 unsexed/mixed  other  absolute number measured 
off grand bank, USA 2001 - 2002 unsexed/mixed  other  absolute number measured 
Sulu Sea, Philippines 1975 - 1976 unsexed/mixed  trawls  absolute number measured 
Taiwan (southern), Taiwan 1972 - 1972 unsexed/mixed  other  absolute number measured 
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