The OPRT is an organization established to prevent the over-exploitation of tunas and utilize them in a sustainable manner.
Please support us so that people can continue to enjoy eating delicious tunas forever.
Click here for becoming a supporting member
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What's new?

7/3/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (May 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (April 2024)
6/7/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (April 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (March 2024)
6/5/2024
The OPRT adopted the Revision to OPRT Policy on Bycatch Issues at the General Meeting held on June 3.
5/1/2024
The OPRT published its Newsletter International No. 87.
5/1/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (March 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (February 2024)
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About
Sustainable use of tunasHistory of the OPRT
and its activities.
About
Tuna long line fisheriesSummary of tuna longline fishing.
About TunasSpecies of tuna, living areas, nutrition, etc.
About the OPRTArticles of Association, Membership, business plan.
The OPRT is calling for supporting MembersPlease support us so that people can continue to enjoy eating delicious tunas forever.