What's new?

2025

1/10/2025
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (November 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (October 2024)

2024

12/1/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (October 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (September 2024)
11/1/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (September 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (August 2024)
10/2/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (August 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (July 2024)
9/25/2024
Distribution of YouTube videos to increase consumption of natural and frozen tuna.
9/4/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (July 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (June 2024)
8/1/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (June 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (May 2024)
7/26/2024
A new article has been added to Jiro's Critical Eye (Importance of understanding fishery dynamics)
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)
5/1/2024
A new article has been added to Jiro's Critical Eye (Production trends in artificially-hatched fries of bluefin tuna)
4/1/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (February 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (January 2024)
3/25/2024
The OPRT published its Newsletter International No. 86.
3/4/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (January 2024)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (December 2023)
2/2/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (December 2023)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (November 2023)
1/12/2024
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (November 2023)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (October 2023)
1/11/2024
The following information has been updated: Total allowable catch (TAC) and national quotas for southern bluefin tuna

2023

12/27/2023
The OPRT published its Newsletter International No. 85.
12/22/2023
The following information has been updated: Catches of major tunas by area; Catches of tunas by fishing method and Trends in annual tuna purchase quantities
12/20/2023
A new article has been added to Jiro's Critical Eye (A hope for early application of AI stereo cameras for bluefin tuna farming)
12/7/2023
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (October 2023)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (September 2023)
11/2/2023
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (September 2023)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (August 2023)
10/18/2023
A new article has been added to Jiro's Critical Eye (Thoughts on an illustrative map of Average Fishing Status)
10/11/2023
A new article has been added to Jiro's Critical Eye (Parasites in the nasal cavity of yellowfin tuna)
10/4/2023
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (August 2023)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (July 2023)
9/28/2023
OPRT home page has been totally renewed.
9/4/2023
Price of Tunas and Trend in the total stock of major tuna species in Japan (fresh and frozen) have been updated.
Price of Tunas (July 2023)
Trend in the total stock of major tuna species in Japan (frozen) (2 years, 5 years and 10 years) (June 2023)
8/18/2023
A new article has been added to Jiro's Critical Eye (Scientific paper on merits and demerits of drifting fish aggregating devices in tuna fisheries)
7/13/2023
The OPRT published its Newsletter International No. 84.
6/16/2023
The OPRT adopted the Policy on Bycatch Issues at the General Meeting held on June 15.
6/14/2023
A new article has been added to Jiro's Critical Eye (Protection of juveniles or adults? – Case of Pacific bluefin tuna)
4/26/2023
The OPRT published its Newsletter International No. 83.
4/26/2023
A new article has been added to Jiro's Critical Eye (Wild and farmed bluefin tuna – evaluation of taste)
2/13/2023
The OPRT published its Newsletter International No. 82.
1/13/2023
A new article has been added to Jiro's Critical Eye (Problems in farming of Atlantic bluefin tuna)

2022

9/21/2022
The OPRT published its Newsletter International No. 81.
7/20/2022
The OPRT published its Newsletter International No. 80.
6/24/2022
The OPRT adopted the Resolution to address labor issues on board tuna longline fishing vessels.
5/18/2022
The OPRT published its Newsletter International No. 79.
1/5/2022
The OPRT published its Newsletter International No. 78.

2021

11/24/2021
The OPRT published its Newsletter International No. 77.
10/20/2021
The OPRT published its Newsletter International No. 76.
9/13/2021
The OPRT published its Newsletter International No. 75.
7/29/2021
The OPRT adopted two Resolutions:
- Resolution to end IUU fishing
- Resolution to urge to recover Bigeye tuna stocks
3/31/2021
The OPRT published its Newsletter International No. 73/74.

2020

3/31/2020
The OPRT published its Newsletter International No. 72.
2/28/2020
The OPRT published its Newsletter International No. 70/71.

2019

7/19/2019
The OPRT published its Newsletter International No. 69.
3/29/2019
The OPRT published its Newsletter International No. 67/68.

2018

12/5/2018
The OPRT published its Newsletter International No. 66.
10/31/2018
The OPRT published its Newsletter International No. 65.
3/30/2018
The OPRT published its Newsletter International No. 63/64.