22nd Regular Session of the Scientific Committee

Location:
Apia, Samoa
Meeting Dates:
- Pacific/Pohnpei
Arrangements:
Not provisional
Chair:
Emily Crigler
Support(s):
SungKwon Soh
Elaine G. Garvilles
Submissions Due:
More Information

Document Submission: This meeting will use the online process used at SC21. Start here!

The online discussion forum for SC22 is available for comments.

See Event Time Announcer - SC22 for the specific meeting time at your location.

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Agenda
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Symbol Title Date of Issue Last Updated
Circular 2026-44 WCPFC Circular: Meeting Notice and Provisional Agenda for the Twenty-Second Regular Session of the Scientific Committee (SC22)
(1.07 MB)
Circular 2026-64 WCPFC Circular: Change of Venue for SC22
(996.38 KB)
WCPFC-SC22-2026-01 Meeting Notice
(544.71 KB)
WCPFC-SC22-2026-01.1 Biosecurity Information - Samoa
(3.66 MB)
WCPFC-SC22-2026-02_Rev01 Provisional Agenda_Rev01
(351.61 KB)
WCPFC-SC22-2026-03_Rev01 Provisional Annotated Agenda_Rev01
Secretariat
(618.19 KB)
WCPFC-SC22-2026-04_Rev01 Provisional Online Discussion Forum (ODF) Topics
(397.58 KB)
WCPFC-SC22-2026-05.0_Rev06 Indicative Schedule_Rev06
Secretariat
(235.96 KB)
WCPFC-SC22-2026-05.1 SC22 Official Opening Ceremony
Date: Tuesday, 11th August 2026
Time: 08.30 am. – 10.00 am.
Venue: EFKS Youth Hall, Sogi

(321.54 KB)
WCPFC-SC22-2026-05.2 SC22 Opening Function Hosted by the Government of Samoa
Date: Saturday, 15 August 2026
Time: 6.00 pm. – 10.00 pm.
Venue: Taumeasina Island Resort

(319.39 KB)
WCPFC-SC22-2026-05.3 Invitation to the Ava Ceremony
Date: 10 August 2026
Time: 2:00 - 4:00 PM
Venue: EFKS Youth Hall
(654.75 KB)
WCPFC-SC22-2026-05.4_Rev01 Transportation Schedule_Rev01
(616.42 KB)
WCPFC-SC22-2026-06 _Rev01 Provisional List of Documents_Rev01
Secretariat
(516 KB)
WCPFC-SC22-2026-07 SC22 Document Template (Cover Page) with Formatting and Symbols Guide
(55 KB)
(303.76 KB)
WCPFC-SC22-2026-08 Process for Submitting Scientific Committee Documents
(534.12 KB)
WCPFC-SC22-2026-09 Provisional Agenda for Heads of Delegation Meeting
(559.43 KB)
WCPFC-SC22-2026-10 Provisional agenda for the WCPFC Pacific Marine Specimen Bank Steering Committee Meeting
(289.4 KB)
WCPFC-SC22-2026-11 Provisional agenda for the Pacific Tuna Tagging Programme Steering Committee Meeting
(312.03 KB)
WCPFC-SC22-2026-12 Provisional Agenda for the Japan Trust Fund Steering Committee Meeting
(259.93 KB)
WCPFC-SC22-2026-13 Seminar (10:00-11:30, Monday, 10 August) SPC Seminar on updated climate change impacts on WCPFC tuna stocks
SPC-OFP
(306.58 KB)
WCPFC-SC22-2026-14 Side Event (12:10-13:10, Tuesday, 11 August - Lunch provided) Tools of the Trade - Implementing molecular monitoring tools for reduction in illegal shark fishing
Shark Pacific
(442.4 KB)
WCPFC-SC22-2026-15 Meeting ICT Connectivity and Access Information
(268.73 KB)
WCPFC-SC22-2026-16_Rev02 Informal Small Groups (ISGs) - Schedule and List_Rev02
Secretariat
(288.13 KB)
Working Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-GN-WP01 Overview of tuna fisheries in the Western and Central Pacific Ocean, including economic conditions – 2025
T. Vidal and T. Ruaia, F. Heather
(7.79 MB)
WCPFC-SC22-2026-GN-WP02 The Tuna Fishery in the Eastern Pacific Ocean in 2025
Inter-American Tropical Tuna Commission (IATTC)
(7.28 MB)
WCPFC-SC22-2026-GN-WP03_Rev01 Report of the 26th Meeting of the International Scientific Committee for Tuna and Tuna-like Species in the North Pacific Ocean
ISC
(3.36 MB)
WCPFC-SC22-2026-GN-WP04.1 Template for SC Project Proposals
(55.47 KB)
(362.33 KB)
WCPFC-SC22-2026-GN-WP04_Update Terms of reference for proposed projects for 2027-2029 (DRAFT) - UPDATED
(1020.55 KB)
(220.42 KB)
WCPFC-SC22-2026-GN-WP05 A proposed process and preliminary recommendations for prioritising the work of the Scientific Committee
R. Currey and E. Crigler
(416.74 KB)
WCPFC-SC22-2026-GN-WP06 A proposed process to establish a schedule of independent reviews of stock assessments
R. Currey
(342.32 KB)
Information Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-GN-IP01 Issues arising from the Commission
Secretariat
(486.17 KB)
WCPFC-SC22-2026-GN-IP02 Intersessional activities of the Scientific Committee
WCPFC Secretariat and SPC-OFP
(671.98 KB)
WCPFC-SC22-2026-GN-IP03 Outcomes of the first South Pacific albacore joint working group
WCPFC Secretariat and SPC-OFP
(626.3 KB)
WCPFC-SC22-2026-GN-IP04 Cooperation with Other Organizations
Secretariat
(373.88 KB)
WCPFC-SC22-2026-GN-IP06 Activities addressing challenges in the delivery of stock assessments in time for member’s peer review
Graham Pilling , Tiffany Vidal, Paul Hamer, and the WCPFC Secretariat
(372.88 KB)
Symbol Title Date of Issue Last Updated
WCPFC22-2025-07 2024 Overview of Stock Status and Fisheries Update in WCPO
SPC-OFP
(1.91 MB)
WCPFC22-2025-07a 2024 Overview of Tuna and Billfish Stocks in the North Pacific Ocean
International Scientific Committee for Tuna and Tuna-like Species in the North Pacific Ocean (ISC)
(1.15 MB)
WCPFC22-2025-16 Climate and Ecosystem Indicators Update
SPC-OFP
(1.19 MB)
WCPFC22-2025-18 Timing Considerations for Stock Assessments
Secretariat and the Scientific Services Provider
(347.22 KB)
WCPFC22-2025-19 Establishment of a Joint Working Group on the Management of South Pacific Albacore Tuna
Secretariat
(431.37 KB)
WCPFC22-2025-20 South Pacific Albacore Management Workshops: Progress Toward the Adoption of a Management Procedure (MP)
Secretariat
(300.73 KB)
WCPFC22-2025-21 Evaluation of Candidate Management Procedures for South Pacific Albacore
SPC-OFP
(928.81 KB)
WCPFC22-2025-22 Evaluation of CMM 2023-01: Tropical Tuna Measure_Rev01
SPC-OFP
(1.09 MB)
WCPFC22-2025-24_Rev01 Skipjack Monitoring Strategy Updates in 2025
Secretariat
(255.56 KB)
WCPFC22-2025-25 Bigeye Tuna Management Procedure Progress and Key Decision Points
SPC-OFP
(619.2 KB)
WCPFC22-2025-26_Rev01 WCPFC mixed fishery approach: Progress and key decision points
SPC-OFP
(365.42 KB)
WCPFC22-2025-36_Rev02 Southwest Pacific Swordfish Harvest Strategy Workplan
Secretariat
(320.36 KB)
WCPFC22-2025-38 Data Standardization to Improve Efficiency of WCPFC Data Procedures
SPC-OFP
(480 KB)
WCPFC22-2025-IP12 Evaluating increases in bigeye longline catch limits under CMM 2023-01
Secretariat and SPC-OFP
(462.93 KB)
WCPFC22-2025-IP13_Rev01 Catch and Effort Data Summaries to Support Discussions on the Tropical Tuna CMMs
SPC-OFP, SPC and the Secretariat
(433.8 KB)
WCPFC22-2025-IP15 Compendium of Fishery Indicators for South Pacific Albacore
SPC-OFP
(684.99 KB)
WCPFC22-2025-IP16 The Western and Central Pacific Tuna Fishery: 2024 Overview and Status of Stocks
SPC-OFP
(13.11 MB)
WCPFC22-2025-IP16a 2000–2023 South Pacific Albacore Catch and Effort Summary
SPC-OFP
(51.35 KB)
Working Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-ST-WP01_Rev03 Scientific data available to the Western and Central Pacific Fisheries Commission (Rev03)
Tiffany Vidal, Shaazreen Bi, and Freddie Heather
(705.95 KB)
WCPFC-SC22-2026-ST-WP02 WCPFC Project127/127a - review and reconciliation of size data collected in the WCPFC-CA for stock assessment purposes: phase 2 progress report
Paul Hamer ,Claudio Castillo-Jordán, Aurélien Panizza, Tom Peatman
(4.15 MB)
WCPFC-SC22-2026-ST-WP03 Streamlining scientific data reporting to the Commission
Jessica Leiria Schattschneider , Tim Jones , Tiffany Vidal
(1.22 MB)
WCPFC-SC22-2026-ST-WP04 Proposed Standards, Specifications and Procedures (SSPs) for Unloading Data (Tuna Fisheries)
Timothy Park, Tiffany Vidal, Sam McKechnie, Benoit Pohl
(1.45 MB)
WCPFC-SC22-2026-ST-WP05_Rev02 Proposed Revisions to the Scientific Data to be Provided to the Commission (Rev02)
SPC-OFP
(2.16 MB)
WCPFC-SC22-2026-ST-WP05_Suppl Revisions to the Scientific Data to be Provided to the Commission (To Adopt -Clean and Track Change Versions)
SPC-OFP
(2.2 MB)
WCPFC-SC22-2026-ST-WP06 Compilation of Catch Discards
Secretariat
(505.44 KB)
WCPFC-SC22-2026-ST-WP07 Draft Scope of Monitoring for Potential Infringements for the WCPFC Compliance Case File System Cases and Next Priorities for the ROPIWG
ROPIWG Chair
(497.51 KB)
WCPFC-SC22-2026-ST-WP09_Rev01 Illustrating the effects of bias with independent monitoring
The Nature Conservancy
(3.22 MB)
WCPFC-SC22-2026-ST-WP10 Proposal for Conservation and Management Measure to Implement A WCPFC Electronic Monitoring
United States
(545.89 KB)
Information Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-ST-IP01 Estimates of annual catches in the WCPFC statistical area
T. Vidal and F. Heather
(883.2 KB)
WCPFC-SC22-2026-ST-IP02 Coverage Levels for Operational Data Fields Submitted to the WCPFC
E. Loganimoce and F. Heather
(19.55 MB)
WCPFC-SC22-2026-ST-IP03_Rev01 Status of observer data management (Revision 01)
Aurelien Panizza, Tiffany Vidal, Colley Falasi, Emmanuel Schneiter, Eparama Loganimoce
(7.42 MB)
WCPFC-SC22-2026-ST-IP04 Commission scientific data and data products: definitions, applications, and nuances
Tiffany Vidal and Peter Williams
(957.67 KB)
WCPFC-SC22-2026-ST-IP05 Data improvements in the West Pacific East Asia (WPEA) Region of WCPFC
Tiffany Vidal, Freddie Heather, Fayakun Satria, Vu Duyen Hai, Theresa Mutia, Suzette Barcoma, Nguyen Quy Duong, Lilis Sadiyah, Muhammad Anas, Putuh Suadela, Ade Januar, Dodiet Rachmadi
(3.11 MB)
WCPFC-SC22-2026-ST-IP06 Progressing the use of cannery receipt data for scientific work (P114) – a new approach
SPC-OFP
(281.9 KB)
WCPFC-SC22-2026-ST-IP07 Quality Assurance Considerations for Electronic Monitoring Data Submissions
Leontine Baje, Malo Hosken, Eparama Loganimoce, Benoit Pohl, Timothy Park, Tiffany Vidal
(505.62 KB)
WCPFC-SC22-2026-ST-IP08 Group Seine Operations of Philippine Flagged Vessels in High Seas Pocket Number 1 (HSP1)
Isidro C. Tanangonan, Marlo B. Demo-os, Jeric S. Jara, Princess Marie Alynagen L. Roque and Alma C. Dickson
(667.44 KB)
WCPFC-SC22-2026-ST-IP09 Progress report of the research survey for 2025 by Chinese fishery research vessel "Song Hang" in the WCPFC area
Yanfan Zhou, Xiaodong Li, Zhe Geng, Xiaojie Dai, Feng Wu, Jiangfeng Zhu
(878.58 KB)
Working Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-SA-WP01 Project 123: Scoping the next generation of tuna stock assessment software
P. Hamer, A. Magnusson, M. Maunder, G. Pilling
(1.6 MB)
WCPFC-SC22-2026-SA-WP02 Opal: the open population assessment library
N. Ducharme-Barth , D. Webber , P. Neubauer , K. Kim ,A. Magnusson,P. Hamer
(6.68 MB)
WCPFC-SC22-2026-SA-WP03 Skipjack tagging data preliminary analysis, review and recommendations for further development and application
T. Mildenberger, A. Neilsen, A. Magnusson, J. Scutt Phillips, P. Hamer
(3.81 MB)
WCPFC-SC22-2026-SA-WP04 Scientific outputs from the Pacific Tuna Tagging Programme, and addressing requests from FAC19
PTTP Steering Committee and SPC
(538.97 KB)
WCPFC-SC22-2026-SA-WP05 Stock assessment of yellowfin tuna in the western and central Pacific Ocean: 2026 (Full Paper)
SPC-OFP
(16.42 MB)
WCPFC-SC22-2026-SA-WP06_Rev01 Stock Assessment of Bigeye Tuna in the Western and Central Pacific Ocean: 2026 (Full Paper)
K. Kim, T. Teears, J. Hampton, N. Davies, A. Magnusson, C. Castillo Jordan, T. Peatman, J. Scutt Phillips, P. Hamer
(34.93 MB)
WCPFC-SC22-2026-SA-WP07 A compendium of fisheries indicators for target tuna stocks in the WCPFC Convention Area
Steven Hare, Tiffany Vidal, Robert Scott, and Graham Pilling
(3.23 MB)
WCPFC-SC22-2026-SA-WP08_Rev02 Stock Assessment of Albacore Tuna in the North Pacific Ocean in 2026 - Updated
ISC
(8.87 MB)
WCPFC-SC22-2026-SA-WP09 ISC 2024 Pacific Bluefin Tuna Stock Assessment Peer Review
ISC
(666.71 KB)
WCPFC-SC22-2026-SA-WP10 Stock Assessment Report for Pacific Blue Marlin (Makaira nigricans) through 2024
ISC
(7.63 MB)
WCPFC-SC22-2026-SA-WP11_Rev02 Report on Project 100d: Application of CKMR methods to SP albacore and cost-benefit evaluation and prioritisation of CKMR to WCPFC stocks (tuna, billfish, sharks)
SPC and CSIRO
(805.32 KB)
WCPFC-SC22-2026-SA-WP12_Rev01 Project 129 update: Building an age-length data stream for tuna assessments (Rev01)
Corey Wakefield, Joseph Widdrington, Kyne Krusic-Golub, Alexandre Pons, Patrick Reis-Santos, Bronwyn Gillanders, Jessica Farley, Simon Nicol, Paul Hamer
(1.66 MB)
Information Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-SA-IP01 Summary Report from the SPC Pre-assessment Workshop – March 2026
Paul Hamer
(1.63 MB)
WCPFC-SC22-2026-SA-IP02 Developments in the MULTIFAN-CL software 2025-26
Nick Davies , Fabrice Bouyé , Kyuhan Kim, Arni Magnusson and John Hampton
(2.25 MB)
WCPFC-SC22-2026-SA-IP03_Rev01 Background Analyses and Data Inputs for the 2026 WCPO yellowfin and bigeye tuna stock assessment_Rev01
T. Teears
(20.1 MB)
WCPFC-SC22-2026-SA-IP04 Analysis of tagging data for the 2026 bigeye and yellowfin assessments: corrections to tag releases for tagging conditions
Tom Peatman, Joe Scutt Phillips, Jo Potts, Simon Nicol
(2.89 MB)
WCPFC-SC22-2026-SA-IP05 Analysis of tag seeding data for the 2026 bigeye and yellowfin assessments: reporting rates for purse seine fleets
Tom Peatman, Sebastien Gislard, Joe Scutt Phillips, Jo Potts & Simon Nicol
(2.47 MB)
WCPFC-SC22-2026-SA-IP06 Analysis of size frequency data for the 2026 bigeye and yellowfin assessments
Tom Peatman, Claudio Castillo–Jordán, Thom Teears, Arni Magnusson, Kyuhan Kim, John Hampton, Paul Hamer
(26.71 MB)
WCPFC-SC22-2026-SA-IP07 Progress towards a new SEAPODYM reference model of yellowfin tuna, Thunnus albacares, in the Pacific Ocean
Lucas Bonnin, Inna Senina, Romain Forestier, Matthieu Lengaigne, Karen Guihou, Julien Temple-Boyer, Kristine Buenafe, Joe Scutt Phillips, Simon Nicol
(10.2 MB)
WCPFC-SC22-2026-SA-IP08 New age-at-length data for WCPO bigeye and yellowfin tuna from the temperate North Pacific and approaches to address spatial sampling bias in growth estimation within MFCL
Takaaki Hasegawa, Kei Okamoto, Hirotaka Ijima, Kyuhan Kim, Paul Hamer, Corey Wakefield, Alexander Pons, Joseph Widdrington and Nick Davies
(1.11 MB)
WCPFC-SC22-2026-SA-IP09 Investigation of single region fleets as areas models for bigeye and yellowfin tuna in the WCPO
John Hampton, Thom Teears, Khuyan Kim, and Paul Hamer
(4.47 MB)
WCPFC-SC22-2026-SA-IP10 Estimation of tag mixing periods for the 2026 WCPO tuna stock assessments
J. Scutt Phillips, I. Senina and L. Bonin (SPC)
(4.62 MB)
WCPFC-SC22-2026-SA-IP11 Investigation of the impacts of regional growth variation on the 2023 bigeye tuna stock assessment
John Hampton, Nick Davies and Paul Hamer
(1.09 MB)
WCPFC-SC22-2026-SA-IP12 Summaries of bigeye tuna catch and effort to support management procedure discussions
Sam McKechnie, Graham Pilling & Tiffany Vidal
(1.79 MB)
WCPFC-SC22-2026-SA-IP13 Trends in bigeye tuna mean weight by space, time, and fleet in the WCPO longline fishery
C. Castillo-Jordán , J. Potts, T. Peatman , P. Hamer
(26.37 MB)
WCPFC-SC22-2026-SA-IP14 Natural mortality estimation for WCPO bigeye tuna: a joint cohort analysis of Coral Sea and Region 4 tagging data
N. Ducharme-Barth,T. Peatman,J. Scutt Phillips,C. Minte-Vera
(968.61 KB)
WCPFC-SC22-2026-SA-IP15 Trends in the South Pacific albacore longline and troll fisheries
S. McKechnie, G. Pilling and T. Vidal
(763.13 KB)
WCPFC-SC22-2026-SA-IP16 Stock Structure and Distribution of Pacific Bluefin tuna
ISC-Pacific Bluefin Tuna Working Group
(432.29 KB)
WCPFC-SC22-2026-SA-IP17 Project 120: Revisiting the Reproductive Biology of Western and Central Pacific Ocean Yellowfin Tuna (Thunnus albacares)
Sebastien Gislard, Joe Scutt Phillips, Jessica Farley, Marc Ghergariu, John Morrongiello,Joshua Barrow, Bianca Gardner,Roseline Perrot,Corey Wakefield, Joseph Widdrington, Alexandre Pons,Joanne Potts,Tom Peatman,Matthew Cunningham,Lui Bell, Francis Tofukalao, Caroline Sanchez, Vanille Barthelemy, Jone Amoe, Bradley Phillip, Francois Roupsard & Simon J. Nicol
(1.77 MB)
WCPFC-SC22-2026-SA-IP18 Project 122a: Global Joint Tuna RFMO Longline CPUE Technical Workshop
Paul Hamer, Simon Hoyle, Hidetada Kiyofuji, Mark Maunder
(2.53 MB)
WCPFC-SC22-2026-SA-IP19 Biology of South Pacific striped marlin, blue marlin, black marlin, shortbill spearfish, and sailfish in the WCPO from longline fisheries
SPC-OFP
(358.43 KB)
WCPFC-SC22-2026-SA-IP20 WCPFC Projects 117, 118 & 126: biological sampling plans for tuna, billfish & sharks
Tom Peatman, Joe Scutt Phillips, Joanne Potts, Simon Nicol
(16.65 MB)
WCPFC-SC22-2026-SA-IP21_Rev01 WCPFC Project 130 — Joint bycatch assessment workshop for billfish and sharks: progress and outcomes of the first steering group meeting
P. Neubauer, P. Hamer
(359.36 KB)
WCPFC-SC22-2026-SA-IP22 Tuna Assessment Research Plan (TARP) for ‘Key’ Tuna Species Assessments in the WCPO, 2026-2029
Graham Pilling, Paul Hamer, Simon Nicol
(878.93 KB)
WCPFC-SC22-2026-SA-IP23 Progress against the 2023-2030 Billfish Research Plan – 2026
Stephen Brouwer and Paul Hamer
(803.43 KB)
WCPFC-SC22-2026-SA-IP24 Progress against the 2021-2030 Shark Research Plan - 2026
Stephen Brouwer and Paul Hamer
(977.34 KB)
WCPFC-SC22-2026-SA-IP25 Application of Convention Language to Stock Assessment Advice
Secretariat
(350.94 KB)
WCPFC-SC22-2026-SA-IP26 Update on close-kin mark-recapture modelling for South Pacific albacore
L. Lloyd-Jones, L. Tremblay-Boyer and C. Davies
(839.77 KB)
Working Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-MI-WP01_Rev01 Updates to the Operating models for bigeye tuna in the WCPO_Rev01
R. Scott, M. Wickens, F. Scott, N. Yao, A. Dabae
(4.48 MB)
WCPFC-SC22-2026-MI-WP02 Updates to the Estimation Method for Bigeye Tuna in the WCPO
M. Wickens, F. Scott, R. Scott
(10.12 MB)
WCPFC-SC22-2026-MI-WP03 Bigeye tuna management procedure design and implementation considerations
F. Scott, R. Scott, M. Wickens, N. Yao, A. Dabea, P. Hamer and G. M. Pilling
(509.1 KB)
(289.05 KB)
WCPFC-SC22-2026-MI-WP04 Bigeye Tuna Management Procedure Evaluations
F. Scott, R. Scott, M. Wickens, N. Yao, A. Dabea, P. Hamer and G. M. Pilling
(754.54 KB)
WCPFC-SC22-2026-MI-WP05 Operating Models for the Yellowfin Tuna in the WCPO
M. Wickens, F. Scott, R. Scott
(8.42 MB)
WCPFC-SC22-2026-MI-WP06 Preliminary Yellowfin Outcomes under the WCPFC Mixed Fishery Harvest Strategy Approach
M. Wickens, F. Scott, R. Scott
(1.69 MB)
WCPFC-SC22-2026-MI-WP07 South Pacific albacore management procedure: 2026 MP run
N. Yao , R. Scott, F. Scott, A. Dabea, G. Pilling
(2.54 MB)
WCPFC-SC22-2026-MI-WP08 WCPFC South Pacific Albacore Monitoring Strategy
R. Scott, A. Dabea, M. Wickens
(282.85 KB)
WCPFC-SC22-2026-MI-WP08.1 WCPFC South Pacific Albacore monitoring strategy – Table 1 Update
SPC-OFP
(289.71 KB)
WCPFC-SC22-2026-MI-WP09 WCPFC Skipjack Tuna Monitoring Strategy Report
SPC-OFP
(713.21 KB)
WCPFC-SC22-2026-MI-WP09.1_Rev01 WCPFC Skipjack tuna monitoring strategy report – Table 1 Update_Rev01
SPC-OFP
(389.5 KB)
WCPFC-SC22-2026-MI-WP10 Joint standardisation of Japanese pole-and-line and regional purse-seine CPUE for skipjack tuna in the equatorial WCPO
N. Yao , M. Nishimoto , R. Scott
(1.85 MB)
WCPFC-SC22-2026-MI-WP11 Considerations for developing the Southwest Pacific swordfish management procedure
Australia
(378.81 KB)
Information Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-MI-IP01 Examining Indicators of Effort Creep in the WCPO Purse Seine Fishery: 2026 Update
P. Hamer, T. Teears and PNAO
(4.25 MB)
WCPFC-SC22-2026-MI-IP02 Mixed fishery monitoring strategy
G. Pilling, R. Scott, F. Scott, M. Wickens, N. Yao, A. Dabea and Hamer, P.
(494.88 KB)
WCPFC-SC22-2026-MI-IP03 Update on Capacity Building and Stakeholder Engagement Activities for WCPFC Harvest Strategies
N. Yao , I. Lynn and M. Wickens
(809.04 KB)
WCPFC-SC22-2026-MI-IP04 Evaluation of CMM 2025-02: Tropical Tuna Measure
G.M. Pilling, P. Hamer, R. Scott, and T. Vidal
(1.19 MB)
WCPFC-SC22-2026-MI-IP05 Catch and Effort Data Summaries to Support Discussions on the Tropical Tuna CMMs
SPC-OFP and WCPFC Secretariat
(877.94 KB)
WCPFC-SC22-2026-MI-IP06 Global blue shark management strategy evaluation - Workshop report
FAO
(1.71 MB)
WCPFC-SC22-2026-MI-IP07 First Bigeye Tuna Management Workshop – Chair’s Summary Report
BMW Chair
(691.29 KB)
WCPFC-SC22-2026-MI-IP08 WCPFC Harvest Strategy Work Plan
(497.46 KB)
WCPFC-SC22-2026-MI-IP09 Report of the Pacific Bluefin Tuna Working Group (ISC26-ANNEX 05)
ISC Pacific Bluefin Tuna Working Group
(740.67 KB)
Working Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-EB-WP01 Advancing the SEAPODYM modelling framework: methodology, validation, and analyses
I. Senina, L. Bonnin, R. Forestier, and S. Nicol
(1.88 MB)
WCPFC-SC22-2026-EB-WP02_Rev01 Progress Report of Project 110 and 110a: Non-entangling and Biodegradable FAD Trial in the Western and Central Pacific Ocean (Rev01)
Lauriane Escalle, Gala Moreno, Iker Zudaire, Jon Uranga, Donald David, and Paul Hamer
(2.43 MB)
WCPFC-SC22-2026-EB-WP03 Stakeholder perspectives and economic and feasibility analysis of options to mitigate drifting Fish Aggregating Devices (dFAD) loss and abandonment
Lauriane Escalle, Gala Moreno, Joran DiNardo and Andrew Johnston
(7.89 MB)
WCPFC-SC22-2026-EB-WP04 Progress of the FADMO-IWG Priority Tasks for 2026
FADMO-IWG
(1.76 MB)
WCPFC-SC22-2026-EB-WP05 BMIS - Relevance to WCPFC Decision-Making and Effect of AI
Larissa Fitzsimmons, Simon Nicol (SPC-OFP)
(551.37 KB)
WCPFC-SC22-2026-EB-WP06 A Synthesis Review of Sea Turtle Interaction Processes, Mitigation Measures and Its Limitations in Tuna Longline Fisheries
Hanna Kubota, Kei Okamoto, Daisuke Ochi
(691.57 KB)
WCPFC-SC22-2026-EB-WP07 Data Limited Issue Toward Implementing Ecological Risk Assessment for Sea Turtles and a Proposal for Future Research Plans
Kei Okamoto, Hiroki Yokoi, Hanna Kubota, Daisuke Ochi
(351.83 KB)
WCPFC-SC22-2026-EB-WP08 Identifying risk factors in leatherback bycatch in Hawaii’s deep-set longline fishery
United States
(6.15 MB)
WCPFC-SC22-2026-EB-WP09 Report from the First Informal Intersessional Meeting for the Review of CMM 2018-04 Sea Turtles
United States
(960.09 KB)
WCPFC-SC22-2026-EB-WP10 Proposal to Amend the Regional Observer Programme Minimum Standard Data Fields and Sci Data to Support Sea Turtle Conservation and Management
United States
(316.8 KB)
WCPFC-SC22-2026-EB-WP11 An assessment of the quantity of abandoned, lost, or discarded pelagic longline fishing gear in the Western and Central Pacific Fisheries Convention Area
Keith Bigelow , Aurélien Panizza, Tiffany Vidal, Raymond Clarke
(2.42 MB)
WCPFC-SC22-2026-EB-WP12 Intersessional Review of the Marine Pollution CMM (CMM 2017-04)
Canada
(468.46 KB)
Information Papers
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-EB-IP01 Project 121 Update: Ecosystem and Climate Indicators of the western and central Pacific Ocean
SPC-OFP and CSIRO
(2.64 MB)
WCPFC-SC22-2026-EB-IP02 Meeting on the Implementation of the Ecosystem Approach to Fisheries Management in tuna RFMOs: Advancing the Development of Ecosystem Indicators
Murua H., S. Nicol, A. Wright, B. Fulton, M.J. Juan-Jorda, E. Andonegi, J. Lopez, D. Crear, L. Fuller, J. Hampton, A. Bundy, N. Hill, J. Potts, J. Melendez, R. Amate, C. Bulman, V. Allain, V. Odongo, K. Sainsbury
(23.66 MB)
WCPFC-SC22-2026-EB-IP03 Development of early warning tools and expanded climate impact assessments
S. Nicole, M. Gillespie, C. Davies
(367.2 KB)
WCPFC-SC22-2026-EB-IP04 Updated SEAPODYM reference models for four Pacific tuna species
I. Senina, L. Bonnin, R. Forestier, M. Lengaigne, K. Guihou, J. Temple-Boyer, and S. Nicol
(1.41 MB)
WCPFC-SC22-2026-EB-IP05 Key outcomes of the international workshop on biodegradable Fish Aggregating Devices
Moreno, G., Escalle, L., Zudaire, I., Roman, M., Morán, G., Lopez, J., Murua, J., Uranga, J., Restrepo, V., and Murua, H
(4 MB)
WCPFC-SC22-2026-EB-IP06_Rev01 Update and workplan on FAD Research (Rev01)
Lauriane Escalle, Jennyfer Mourot and Paul Hamer
(1.02 MB)
WCPFC-SC22-2026-EB-IP07 Report from the International workshop on mitigation of dFAD loss and abandonment in the Pacific: Insights from fishing industry to communities
Lauriane Escalle, Gala Moreno, Thibaut Thellier, Marlon Roman, Leanne Fuller, Craig Heberer, Kydd Pollock, Charles Daxboeck, Ariella Andrea, Jennyfer Mourot, Donald David, Igor Sancristobal, Maitane Grande, Jefferson Murua, Anne-Marie Trin
(3.73 MB)
WCPFC-SC22-2026-EB-IP08 Identifying seasonal bycatch hotspots using longline observer data: a case study of leatherback turtles in the Atlantic Ocean
Makoto Nishimoto, Shintaro Ueno, Kei Okamoto, Hirotaka Ijima, Daisuke Ochi
(2.41 MB)
WCPFC-SC22-2026-EB-IP09 Hooking location of leatherback turtles by hook types in longline fisheries
Kei Okamoto, Hanna Kubota, Daisuke Ochi
(1.02 MB)
WCPFC-SC22-2026-EB-IP10 Bycatch risk analysis for three sea turtle species in the WCPO under data-limited conditions
Kei Okamoto, Makoto Nishimoto, Hanna Kubota, Daisuke Ochi
(1.57 MB)
WCPFC-SC22-2026-EB-IP11 Assessing the vulnerability of elasmobranchs to western and central Pacific tuna fisheries using an improved ecological risk assessment method
Nicholas J. Hill , Shane Griffiths , Valerie Allain, Simon Nicol, Joanne Potts, Naiten Bradley Phillip Jr, Cassandra L. Rigby
(6.7 MB)
WCPFC-SC22-2026-EB-IP12 Post-Release Survival of Sharks Captured in the Western and Central Pacific Purse Seine Fishery: Implications for Bycatch Management and Conservation
Murua, H., Grande, M., Moreno, G., Murua, J., and Restrepo, V
(1.49 MB)
WCPFC-SC22-2026-EB-IP13 Preliminary report of Pacific Tuna and Ecosystem Research Cruise Project in 2025
Tawa A., Ishihara T., Yamaguchi T., Nagatomo Y., Okazaki M., Ambe D., Hidaka K., Kiyofuji H. (Japan Fisheries Research and Education Agency, FRA), Allain V., Vourey E., Barbin L., Magnier P., Portal A., Wirotaroeno L., Pilling G. (The Pacific Community, SPC), Ata C., Kafo W. (Solomon Island National University)
(3.27 MB)
WCPFC-SC22-2026-EB-IP14 Monitoring Plan for Longline Loops/Traps for the Spanish Fleet in the Area of Tuna RFMOs
Jose Carlos Báez
(352.47 KB)
WCPFC-SC22-2026-EB-IP15 A New Emerging Terminal Device in Pelagic Longline Swordfish Fisheries: A Mini-Review
Jose Carlos Báez and Andrés Domingo
(668.51 KB)
WCPFC-SC22-2026-EB-IP16 Updated assessment of Black-footed Albatross Phoebastria nigripes overlap with pelagic longline fisheries in the North Pacific
Thomas A. Clay, Alyssa Piauwasdy, Michelle Hester, Jessie Beck, Scott A. Shaffer, André F. Raine, K. David Hyrenbach
(1.14 MB)
WCPFC-SC22-2026-EB-IP17 ISA’s Regional Environmental Management Plan for the Northwest Pacific Ocean
Secretariat and SPC-OFP
(429.17 KB)
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-AR-CCM01 Australia
(2.22 MB)
WCPFC-SC22-2026-AR-CCM02 Canada
(686.08 KB)
WCPFC-SC22-2026-AR-CCM03 China
(1011.98 KB)
WCPFC-SC22-2026-AR-CCM04_Rev01 Cook Islands (7 July 2026) - Rev01
(1.62 MB)
WCPFC-SC22-2026-AR-CCM05 European Union
(1.95 MB)
WCPFC-SC22-2026-AR-CCM06 Federated States of Micronesia
(3.62 MB)
WCPFC-SC22-2026-AR-CCM07 Fiji
(1.87 MB)
WCPFC-SC22-2026-AR-CCM08 French Polynesia
(618.05 KB)
WCPFC-SC22-2026-AR-CCM09_Rev01 Indonesia (28 April 2026) - Rev01
(1.23 MB)
WCPFC-SC22-2026-AR-CCM10 Japan
(3.49 MB)
WCPFC-SC22-2026-AR-CCM11_Rev01 Kiribati (6 July 2026) - Rev01
(1.48 MB)
WCPFC-SC22-2026-AR-CCM12 Republic of Korea
(944.6 KB)
WCPFC-SC22-2026-AR-CCM13 Republic of Marshall Islands
(1.29 MB)
WCPFC-SC22-2026-AR-CCM14 Naoero
(792.94 KB)
WCPFC-SC22-2026-AR-CCM15 New Caledonia
(1.43 MB)
WCPFC-SC22-2026-AR-CCM16 New Zealand
(2.09 MB)
WCPFC-SC22-2026-AR-CCM17 Niue
(296.92 KB)
WCPFC-SC22-2026-AR-CCM18 Palau
(1.16 MB)
WCPFC-SC22-2026-AR-CCM19 Papua New Guinea
(2.29 MB)
WCPFC-SC22-2026-AR-CCM20_Rev01 Philippines (7 July 2026) - Rev01
(1.07 MB)
WCPFC-SC22-2026-AR-CCM21 Samoa
(1.31 MB)
WCPFC-SC22-2026-AR-CCM22 Solomon Islands
(2.47 MB)
WCPFC-SC22-2026-AR-CCM23 Chinese Taipei
(7.08 MB)
WCPFC-SC22-2026-AR-CCM24 Tokelau
(1.05 MB)
WCPFC-SC22-2026-AR-CCM25 Tonga
(1.13 MB)
WCPFC-SC22-2026-AR-CCM26 Tuvalu
(1.16 MB)
WCPFC-SC22-2026-AR-CCM27_Rev01 United States of America (7 July 2026) - Rev01
(3.54 MB)
WCPFC-SC22-2026-AR-CCM28 Vanuatu
(2.08 MB)
WCPFC-SC22-2026-AR-CCM29 Wallis and Futuna
(607.92 KB)
WCPFC-SC22-2026-AR-CCM30 American Samoa
(1.15 MB)
WCPFC-SC22-2026-AR-CNM32 Ecuador
(1.35 MB)
WCPFC-SC22-2026-AR-CNM33 El Salvador
(877.29 KB)
WCPFC-SC22-2026-AR-CNM36 Panama
(757.3 KB)
WCPFC-SC22-2026-AR-CNM37 Thailand
(4.74 MB)
WCPFC-SC22-2026-AR-CNM38 Vietnam
(1.37 MB)
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-RP-JTF01 Japan Trust Fund Status Report (2026)
Fiji, FSM, Palau, Philippines, Samoa, South Pacific Group (SPG), Tonga, and Secretariat
(524.6 KB)
WCPFC-SC22-2026-RP-P35b01_Rev01 Project 35b: WCPFC Pacific Marine Specimen Bank (Rev01)
SPC-OFP
(713.81 KB)
WCPFC-SC22-2026-RP-P35b02 Report of the Pacific Marine Specimen Bank Steering Committee
PMSB Steering Committee
(533.41 KB)
WCPFC-SC22-2026-RP-P35b03 Methylmercury and other pollutants studies in tunas
Anaïs Médieu, Valérie Allain, David Point, Mélanie Lemire, Pierre Ayotte, Tony Gardon, Fany Sardenne, Ika Paul-Pont, Zahirah Dhurmeea, Catherine Munschy, Yann Aminot, Anne Lorrain
(1.25 MB)
WCPFC-SC22-2026-RP-PTTP01 Project 42: Pacific Tuna Tagging Project Report and Work-plan for 2024-2027
SPC-OFP
(1.69 MB)
WCPFC-SC22-2026-RP-PTTP02 Project 42: Report of the Pacific Tuna Tagging Project Steering Committee
PTTP Steering Committee
(898.39 KB)
WCPFC-SC22-2026-RP-WPEA01 WPEA-SPF Project Update
Lars Olsen
(4.52 MB)
Symbol Title Date of Issue Last Updated
WCPFC-SC22-2026-OP01_Rev01 BirdLife International Statement to the SC22
BirdLife International
(1.06 MB)
WCPFC-SC22-2026-OP02 Sharks Pacific SC22 Position Statement
Sharks Pacific
(1.04 MB)
WCPFC-SC22-2026-OP03 FFSAPI-SARGEN HANDLINE FIP Continued Support for the Advancement of Science-Based Harvest Strategies for Tropical Tuna Fisheries" for the WCPFC SC22 meeting
Philippines
(799.61 KB)
Symbol Title Date of Issue Last Updated
A11.1 Prioritising the work of the Scientific Committee
Rohan Currey and Emily Crigler

(332.23 KB)
A11.1 Activities addressing challenges in the delivery of stock assessments
G. Pilling, T. Vidal, P. Hamer and WCPFC Secretariat
(516.23 KB)
A2.1 WCPO Tuna Fisheries: 2025 Overview
T. Vidal and T. Ruaia, F. Heather
(2.37 MB)
A2.2 Overview of the EPO Fisheries 2025
(1.07 MB)
A3.1.1 Scientific data available to the Commission (Data Gaps)
Tiffany Vidal, Shaazreen Bi, and Freddie Heather
(753.75 KB)
A3.1.2 WCPFC Project127/127a - review and reconciliation of size data collected in the WCPFC-CA for stock assessment purposes: phase 2 progress report
P. Hamer, C. Castillo-Jordán, A. Panizza, T. Peatman
(976.69 KB)
A3.1.4 Streamlining scientific data reporting to the Commission
J. Leiria Schattschneider, T. Jones, T. Vidal
(600.88 KB)
A3.1.5 Proposed Revisions to the Scientific Data
SPC-OFP
(467.35 KB)
A3.1.5 Proposed Standards, Specifications and Procedures for Unloading Data
SPC-OFP
(296.87 KB)
A3.1.5.1 Progress of the FADMO-IWG Priority Tasks for 2026 (FAD Logbook and Satellite Buoy Data Transmission)
FADMO-IWG
(547.6 KB)
A3.2 Compilation of Catch Discards
Secretariat
(456.06 KB)
A3.3 Compliance Case File System (CCFS) Cases and Next Priorities for the ROPIWG
ROP IWG Chair
(496.08 KB)
A3.4 Illustrating the effects of bias in independent monitoring
The Nature Conservancy and the University of Tasmania
(972.25 KB)
A4.1.2 Preliminary external analysis of WCPO skipjack tagging data
SPC-OFP and DTU Aqua
(1.1 MB)
A4.1.2 Opal: the open population assessment library
N. Ducharme-Barth
(32.94 KB)
A4.1.2 Scoping the Next Generation of Tuna Stock Assessment Software
P. Hamer, A. Magnusson, M. Maunder, G. Pilling
(730.82 KB)
A4.2 Scientific Outputs from the Pacific Tuna Tagging Project
SPC-OFP
(377.93 KB)
A4.3.1.1 Stock assessment of yellowfin tuna in the western and central Pacific Ocean: 2026
SPC-OFP
(3.55 MB)
A4.3.2.1 Stock assessment of bigeye tuna in the western and central Pacific Ocean: 2026
SPC-OFP
(6.06 MB)
A4.3.3 A compendium of fisheries indicators for target tuna stocks in the WCPFC Convention Area
SPC-OFP
(10.33 MB)
A4.4.1 ISC report and overview of fisheries and stock status of tuna, billfish and sharks in the North Pacific Ocean
ISC
(2.44 MB)
A4.4.2 2026 North Pacific albacore stock assessment
ISC
(3.67 MB)
A4.4.3.2 ISC 2024 Pacific Bluefin Tuna Stock Assessment - Peer Review Summary
ISC
(479.55 KB)
A4.5.1.1 Stock Assessment Report for Pacific Blue Marlin (Makaira nigricans) through 2024
ISC
(16.5 MB)
A4.6.1 Applying CKMR to South Pacific Albacore & Evaluating Its Future Across WCPFC Tuna, Billfish, and Shark Stocks (Project 100d)
SPC and CSIRO
(373.53 KB)
A4.6.6 Building an Age-Length Data Stream for Tuna Stock Assessments
Corey Wakefield, Joseph Widdrington, Kyne Krusic-Golub, Alexandre Pons, Patrick Reis-Santos, Bronwyn Gillanders, Jessica Farley, Simon Nicol, Paul Hamer
(1.79 MB)
A4.6.8.1 Technical workshop on approaches to utilising tagging data within regional stock assessments
(40.23 KB)
(335.04 KB)
A5.1.1.1 Updates to the Operating Models for Bigeye Tuna in the WCPO
SPC-OFP
(2.05 MB)
A5.1.1.2 Updates to the Estimation Method for Bigeye Tuna in the WCPO
SPC-OFP
(1.55 MB)
A5.1.1.3 Bigeye tuna management procedure design and implementation considerations
SPC-OFP
(3.02 MB)
A5.1.1.4 Bigeye tuna management procedure evaluations
SPC-OFP
(1.06 MB)
A5.1.1.5 First Bigeye Tuna Management Workshop (BMW01) Report
SC Chair
(637.35 KB)
A5.1.2.1 Operating Models for Yellowfin Tuna in the WCPO
SPC-OFP
(1.61 MB)
A5.1.2.2 Preliminary Yellowfin Outcomes Under The WCPFC Mixed Fishery Harvest Strategy Approach
SPC-OFP
(1.16 MB)
A5.1.3.1 South Pacific Albacore Management Procedure: 2026 MP Run
N. Yao, R. Scott, F. Scott, A. Dabea, G. Pilling
(1.73 MB)
A5.1.3.2 and A5.1.4.1 WCPFC South Pacific Albacore Monitoring Strategy including Skipjack Monitoring Strategy Report
SPC-OFP
(384.16 KB)
A5.1.4 Joint standardisation of Japanese pole-and-line and regional purse-seine CPUE for skipjack tuna in the equatorial WCPO
SPC-OFP and FRA
(2.28 MB)
A5.1.5 Mixed Fishery Monitoring Strategy
SPC-OFP
(760.74 KB)
A5.2 Evaluation of CMM 2025-02: Tropical Tuna Measure
G. Pilling, P. Hamer, R. Scott and T. Vidal
(793.3 KB)
A6.1 Updated climate change impacts on WCPFC tuna stocks
(5.53 MB)
A6.2 Advancing the SEAPODYM modelling framework: methodology, validation, and analyses
I. Senina, L. Bonnin, R. Forestier, and S. Nicol
(1.88 MB)
A6.3.1 Report of Project 110-110a: Non-entangling and Biodegradable FAD Trial in the Western and Central Pacific Ocean
Lauriane Escalle,Gala Moreno, Iker Zudaire, Jon Uranga, Donald David, and Paul Hamer
(2.62 MB)
A6.3.2 Stakeholder perspectives and economic and feasibility analysis of options to mitigate drifting Fish Aggregating Devices (dFAD) loss and abandonment
Lauriane Escalle, Gala Moreno, Jordan DiNardo and Andrew F Johnson
(2.82 MB)
A6.3.3 Progress of the FADMO-IWG Priority Tasks for 2026
FADMO-IWG
(606.47 KB)
A6.4.1 BMIS - Relevance to WCPFC Decision-Making and Effect of AI
Larissa Fitzsimmons, Simon Nicol
(397.7 KB)
A6.4.3 Report from the First Informal Intersessional Meeting for the Review of CMM 2018-04 Sea Turtles
USA
(1.65 MB)
A6.4.3 Proposal to Amend the Regional Observer Programme Minimum Standard Data Fields and Sci Data to Support Sea Turtle Conservation and Management
USA
(572.02 KB)
A6.4.3 A Synthesis Review of Sea Turtle Interaction Processes, Mitigation Measures and Its Limitations in Tuna Longline Fisheries
Hanna Kubota, Kei Okamoto, Daisuke Ochi
(958.89 KB)
A6.4.3 Data Limited Issue Toward Implementing Ecological Risk Assessment for Sea Turtles and a Proposal for Future Research Plans
Kei Okamoto, Hiroki Yokoi, Hanna Kubota, Daisuke Ochi
(624.78 KB)
A6.4.3 Identifying risk factors in leatherback bycatch in Hawaii’s deep-set longline fishery
USA
(2.32 MB)
A6.5 Intersessional review of CMM 2017-04 on Marine Pollution
Canada
(320.04 KB)
A6.5 An assessment of the quantity of abandoned, lost, or discarded pelagic longline fishing gear in the Western and Central Pacific Fisheries Convention Area
Keith Bigelow, Aurélien Panizza, Tiffany Vidal & Raymond Clarke

(3.34 MB)
A7.1 Pacific Marine Specimen Bank Steering Committee Presentation
SPC-OFP
(1.07 MB)
A7.1.1 Methyl-mercury and other pollutant studies in WCPO tuna
Anaïs Médieu, Valérie Allain, David Point, Mélanie Lemire, Pierre Ayotte, Tony Gardon, Fany Sardenne, Ika Paul-Pont, Zahirah Dhurmeea, Catherine Munschy, Yann Aminot, Anne Lorrain
(2.48 MB)
A7.2 Pacific Tuna Tagging Project Steering Committee Meeting Presentation
SPC-OFP
(866.89 KB)
A7.3 WPEA-SPF Project Update
(1.3 MB)

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