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Commission for the Conservation of
Southern Bluefin Tuna
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CCSBT Commission for the Conservation of Southern Bluefin Tuna logo
Commission for the Conservation of
Southern Bluefin Tuna
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SC 31 - Provisional Agenda (160.05 KB)
ESC 31 - 01 - Provisional Agenda (289.49 KB)
ESC 31 - 02 - List of Participants (Draft 6) (63.21 KB)
ESC 31 - 03 - List of Documents (Draft 7) (132.41 KB)
ESC 31 - 04 (Rev.1) - (Secretariat) Secretariat review of catches - PUBLIC (7.05 MB)
ESC 31 - 05 - (Secretariat) Report on progress against Strategic Plan (165.88 KB)
ESC 31 - 06 - (Secretariat) Capacity Building Needs Assessments (124.67 KB)
ESC 31 - 07 - (Secretariat) Report from the Ecologically Related Species Working Group (262.97 KB)
ESC 31 - 08 - (Secretariat) Data Exchange (481.62 KB)
ESC 31 - 09 - (Secretariat) Current status of the BBNJ Agreement and possible elements related to ESC (198.33 KB)
ESC 31 - 10 - (CCSBT) Update on the Gene-tagging recruitment monitoring program 2026 (416.61 KB)
ESC 31 - 11 - (CCSBT) Update on the SBT close-kin tissue sampling, processing and kin-finding 2026 (438.96 KB)
ESC 31 - 12 - (CCSBT) Update on SBT catch monitoring and biological sampling in Indonesia (733.78 KB)
ESC 31 - 13 - (CCSBT) Gene-tagging proposal for 2027-29 (279.55 KB)
ESC 31 - 14 - (CCSBT) Workplan and budget for close-kin mark recapture and Indonesian length/age monitoring (265.22 KB)
ESC 31 - 15 (Australia) Preparation of Australia’s southern bluefin tuna catch and effort data submission (1.47 MB)
ESC 31 - 16 - (Australia) Update on Australian otolith collection and ageing in 2026 (261.85 KB)
ESC 31 - 17 - (Australia) Update on recent satellite tag deployments on juvenile SBT in the Great Australian Bight (266.13 KB)
ESC 31 - 19 - (Australia) Fisheries indicators for the southern bluefin tuna stock 2025–26 (1.21 MB)
ESC 31 - 20 - (Australia and Japan) The southern bluefin tuna stock assessment in 2026 (4.51 MB)
ESC 31 - 21 - (Australia) Evaluation of exceptional circumstances - SBT 2026 (313.86 KB)
ESC 31 - 23 - (Japan) Report of the trolling monitoring survey for the age-1 southern bluefin tuna recruitment index in 2026 (362.4 KB)
ESC 31 - 24 - (Japan) Report of the age-0 southern bluefin tuna distribution off the west coast of Western Australia in 2026 (630.33 KB)
ESC 31 - 25 - (Japan) Trolling indices for age-1 southern bluefin tuna: update of the grid type trolling index in 2026 (911.44 KB)
ESC 31 - 26 - (Japan) Summary report of archival tagging from the trolling survey in 2026 by Japan (1.04 MB)
ESC 31 - 27 (Rev.1) - (Japan) Summary of Fisheries and Scientific Survey Indicators of Southern Bluefin Tuna Stock in 2026 (2.79 MB)
ESC 31 - 28 - (Japan) A check of operating model predictions from the viewpoint of implementation of the management procedure in 2026 (281.66 KB)
ESC 31 - 29 - (Japan) Report of the 2025/2026 RMA utilization and application for the 2026/2027 RMA from Japan (151.29 KB)
ESC 31 - 30 - (Korea) Korean SBT otolith collection activities in 2025 (342.13 KB)
ESC 31 - 31 - (Korea) Comparison of standardized SBT CPUE indices between Korea and Japan (239.19 KB)
ESC 31 - 32 - (New Zealand, Australia and Japan) Review of performance of the Cape Town procedure (124.54 KB)
ESC 31 - 33 (Rev.1) - (New Zealand and Australia) Electronic Monitoring and Scientific Observer Program Standards (153.26 KB)
ESC 31 - 34 - (Taiwan) Preparation of Taiwan's Southern Bluefin Tuna catch and effort data submission for 2025 (517.92 KB)
ESC 31 - 35 - (Taiwan) Gonadal information and histological analysis of Southern Bluefin Tuna collected by Taiwanese scientific observer program with updated data (1.4 MB)
ESC 31 - 36 - (Taiwan) CPUE standardization analyses for Southern Bluefin Tuna based on the Taiwanese longline fishery data from 2002 to 2025 (1.34 MB)
ESC 31 - 37 - (Taiwan) Updated ageing data of the SBT caught by Taiwanese longliners in 2024 (361.83 KB)
ESC 31 - 38 - (Japan) Calculation of the coefficient of variation of GAM22 CPUE index for the SBT assessment in 2026 (356.68 KB)
ESC 31 - 39 - (South Africa) Proposal: Introductory workshop to otolith-based ageing of southern bluefin tuna (71.95 KB)
ESC 31 - BGD 01 - (CCSBT) Estimates of unreported SBT catch by CCSBT non-cooperating non-member states between 2007 and 2023 (4.48 MB)
ESC 31 - BGD 02 - (Japan) Change in operation pattern of Japanese southern bluefin tuna longliners in the 2025 fishing season (735.56 KB)
ESC 31 - BGD 03 - (Japan) Update of CPUE abundance index using GAM for southern bluefin tuna in CCSBT (GAM22) up to the 2025 data (992.43 KB)
ESC 31 - BGD 04 - (Japan) Proposal of a method for checking abundance indices obtained from CPUE (616.81 KB)
ESC 31 - BGD 05 - (Korea) Data Exploration and CPUE Standardization for the Korean Southern Bluefin Tuna Longline Fishery (1996-2025) (1.42 MB)
ESC 31 - BGD 06 - (Australia) Ensuring the SBT MP advice is robust to impacts of climate change (191.3 KB)
ESC 31 - SBT Fisheries - Australia (1.76 MB)
ESC 31 - SBT Fisheries - Fishing Entity of Taiwan (6.27 MB)
ESC 31 - SBT Fisheries - Indonesia (696.09 KB)
ESC 31 - SBT Fisheries - Japan (1.13 MB)
ESC 31 - SBT Fisheries - Korea (673.03 KB)
ESC 31 - SBT Fisheries - New Zealand (1.77 MB)
ESC 31 - SBT Fisheries - South Africa (1.11 MB)
ESC 31 - Info 01 - (Secretariat) Letter from ICCAT on Common Oceans Tuna Project Workshop on Stock Assessment (228.69 KB)