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Indian Ocean Tuna Commission
Indian Ocean Tuna Commission
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24th Working Party on Billfish (WPB24)

Meeting: 
Working Party on Billfish (WPB)
Meeting year: 
2026
Meeting session: 
24
Date: 
Wed, 09/09/2026 - 09:00 to Sat, 12/09/2026 - 17:00
Venue country/city: 
La Reunion
Location: 
Hotel Le Battant des Lames, Saint-Pierre, La Réunion
Chairperson: 
Dr Jie Cao
Vice-Chairperson: 
Dr Sylvain Bonhommeau
Deadlines: 
  • Meeting Participation Fund applications due 45 days before meeting starts (26 July 2026)
  • Paper titles  are due 30 days before the meeting starts (10 August 2026)
  • Full papers are due 15 days before the meeting starts (25 August 2026)
  • Meeting Registration closes 5 days before meeting starts (4 September 2026)

(all submissions should be sent to IOTC-secretariat@fao.org)

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Meeting information documents

Title File
Feasibility of a Close-Kin Mark-Recapture for Stock Assessment of Indian Ocean Swordfish (Xiphias gladius)
Information sheet

Documents

Meeting Report
Reference Title Available on File
IOTC-2026-WPB24-R Report of the 24th Session of the IOTC Working Party on Billfish 05/10/2026
Meeting documents
Reference Title Available on File
IOTC-2026-WPB24-01a Draft agenda for the 24th Working Party on Billfish 26/08/2026
IOTC-2026-WPB24-01b Draft annotated agenda for the 24th Working Party on Billfish 26/08/2026
IOTC-2026-WPB24-02 List of documents for the 24th Working Party on Billfish 26/08/2026
IOTC-2026-WPB24-03 Outcomes of the 28th session of the Scientific Committee 26/08/2026
IOTC-2026-WPB24-04 Outcomes of 30th session of the Commission 26/08/2026
IOTC-2026-WPB24-05 Review of current Conservation and Management Measures relating to billfish species 26/08/2026
IOTC-2026-WPB24-06 Progress made on the recommendations and requests of WPB23 and SC28 26/08/2026
IOTC-2026-WPB24-07_Rev1 Review of the statistical data available for Indian Ocean billfish (1950-2025) 02/09/2026
IOTC-2026-WPB24-08 Revision of the WPB Program of Work (2027-2031)
IOTC-2026-WPB24-10 Billfish fisheries in India with insights into the habitat preference and biology of Swordfish (Xiphias gladius) from the Western Indian EEZ 27/08/2026
IOTC-2026-WPB24-11 Length frequency distributions of billfishes from Indonesian longline tuna fishery 27/08/2026
IOTC-2026-WPB24-13 Development of morphometric conversion equations for blue marlin (Makaira nigricans) and striped marlin (Kajikia audax) using observer-collected photographs from Sri Lankan multiday fisheries 27/08/2026
IOTC-2026-WPB24-14 Preliminary length frequency characterization of Indo-Pacific sailfish (Istiophorus platypterus) from purse seine fishery in the Andaman Sea of Thailand 27/08/2026
IOTC-2026-WPB24-15 Updated sex-specific growth parameters for swordfish (Xiphias gladius) in the tropical Indian Ocean for the 2026 IOTC stock assessment 27/08/2026
IOTC-2026-WPB24-16rev1 Standardized swordfish CPUE based on observer data from the French Réunion-based pelagic longline fishery in the South-West Indian Ocean (2007-2025) 27/08/2026
IOTC-2026-WPB24-17 Standardization of swordfish CPUE from the Réunion longline fishery logbook data 27/08/2026
IOTC-2026-WPB24-18 Updated standardized CPUE indices for swordfish caught by the Portuguese pelagic longline fleet in the Indian ocean, 2000–2024 27/08/2026
IOTC-2026-WPB24-19 Updated standardized catch rates of swordfish (Xiphias gladius) caught by the Spanish surface longline fleet in the Indian Ocean during the 2001-2024 period 27/08/2026
IOTC-2026-WPB24-20rev1 CPUE standardisation of swordfish caught by longline in South African waters 27/08/2026
IOTC-2026-WPB24-22 Updated CPUE standardization for swordfish (Xiphias gladius) in the Indian Ocean using a zero-inflated Bayesian hierarchical spatial model with Japanese longline fishery data (1994-2024) 27/08/2026
IOTC-2026-WPB24-23rev1 CPUE standardization of swordfish (Xiphias gladius) caught by Taiwanese large-scale longline fishery in the Indian Ocean 27/08/2026
IOTC-2026-WPB24-24 Preliminary exploration of CPUE standardization of swordfish using IOTC catch effort dataset 27/08/2026
IOTC-2026-WPB24-25 Stock assessment of Indian Ocean swordfish (Xiphias gladius) using Bayesian Surplus Production Models (JABBA): model development, validation, sensitivity and stock status 27/08/2026
IOTC-2026-WPB24-26 Stock assessment of swordfish (Xiphias gladius) in the Indian Ocean using the stochastic production model in continuous time (SPiCT) 27/08/2026
IOTC-2026-WPB24-27-rev1 Indian Ocean Swordfish Stock Assessment 1950-2024 (Stock Synthesis) 27/08/2026
IOTC-2026-WPB24-28 Consideration of exceptional circumstances for the swordfish management procedure 2026 27/08/2026
IOTC-2026-WPB24-29rev1 Development of billfish & swordfish species identification App 27/08/2026
Information papers
Reference Title Available on File
IOTC-2026-WPB24-XX IOTC Working Paper Cover Sheet Template 25/06/2026
Datasets
Reference Title Available on File
IOTC-2026-WPB24-DATA02 Annual amount of fish caught and retained 13/07/2026
IOTC-2026-WPB24-DATA03 Geo-referenced catch and effort data - All fisheries 13/07/2026
IOTC-2026-WPB24-DATA04 Geo-referenced size-frequency data - Black Marlin (BLM) 13/07/2026
IOTC-2026-WPB24-DATA05 Geo-referenced size-frequency data - Blue Marlin (BUM) 13/07/2026
IOTC-2026-WPB24-DATA06 Geo-referenced size-frequency data - Swordfish (SWO) 13/07/2026
IOTC-2026-WPB24-DATA07 Geo-referenced size-frequency data - Striped Marlin (MLS) 13/07/2026
IOTC-2026-WPB24-DATA08 Geo-referenced size-frequency data - Sailfish (SFA) 13/07/2026
IOTC-2026-WPB24-DATA09 SWO CPUE indices for 2026 14/07/2026

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