27th Working Party on Tropical Tunas Data Preparatory Meeting (WPTT27(DP))

Meeting:

Working Party on Tropical Tunas (WPTT)

Meeting year:

2025

Meeting session:

2 701

Date:

Wed, 11/06/2025 - 12:00 to Fri, 13/06/2025 - 16:00

Venue country/city:

Online/Virtual

Location:

Zoom

Chairperson:

Dr Gorka Merino

Vice-Chairperson:

Dr Shiham Adam

Deadlines:

Paper titles are due 30 days before the meeting starts (12 May 2025)
Full papers are due 15 days before the meeting starts (27 May 2025)

(all submissions should be sent to [email protected])

Documents

Meeting Report
Reference	Title	Available on	File
IOTC-2025-WPTT27(DP)-R	Report of the 27th IOTC Working Party on Tropical Tunas (WPTT27(DP)) Data preparatory meeting	04/07/2025

Datasets
Reference	Title	Available on	File
IOTC-2025-WPTT27(DP)-DATA01	WPTT Data Overview -- Structure, contents, and code lists	11/06/2025
IOTC-2025-WPTT27(DP)-DATA02	Annual amount of fish caught and retained	09/06/2025
IOTC-2025-WPTT27(DP)-DATA03	Geo-referenced catch and effort data - All fisheries	09/06/2025
IOTC-2025-WPTT27(DP)-DATA04	Geo-referenced size-frequency data - Bigeye tuna (BET)	09/06/2025
IOTC-2025-WPTT27(DP)-DATA05	Geo-referenced size-frequency data - Skipjack tuna (SKJ)	09/06/2025
IOTC-2025-WPTT27(DP)-DATA06	Geo-referenced size-frequency data - Yellowfin tuna (YFT)	09/06/2025
IOTC-2025-WPTT27(DP)-DATA07	IOTC Conversion Factors and Morphometric Equations	10/06/2025
IOTC-2025-WPTT27(DP)-DATA07-BET_CPUE	Standardised CPUE index for bigeye tuna	12/06/2025
IOTC-2025-WPTT27(DP)-DATA08-SKJ_CPUE	Standardised CPUE index for skipjack tuna	12/06/2025

Information papers
Reference	Title	Available on	File
IOTC-2025-WPTT27(DP)-INF01	Pilot sampling to support CKMR for Indian Ocean yellowfin tuna in the north Arabian sea (Pakistan)	09/06/2025

Meeting documents
Reference	Title	Available on	File
IOTC-2025-WPTT27(DP)-01a	Agenda for the WPTT27(DP)	12/05/2025
IOTC-2025-WPTT27(DP)-01b	Annotated agenda for the WPTT27(DP)	12/05/2025
IOTC-2025-WPTT27(DP)-02	Draft list of documents for the WPTT27(DP)	12/05/2025
IOTC-2025-WPTT27(DP)-03	Outcomes of the 27th Session of the Scientific Committee	12/05/2025
IOTC-2025-WPTT27(DP)-04	Outcomes of the 29th Session of the Commission	12/05/2025
IOTC-2025-WPTT27(DP)-05	Review of CMMs	12/05/2025
IOTC-2025-WPTT27(DP)-06	Progress from WPTT26	12/05/2025
IOTC-2025-WPTT27(DP)-07_1	Overview of Indian Ocean tropical tuna fisheries	11/06/2025
IOTC-2025-WPTT27(DP)-07_2	Overview of Indian Ocean bigeye tuna fisheries	11/06/2025
IOTC-2025-WPTT27(DP)-08_rev1	Updating the estimation of age and growth of bigeye tuna (Thunnus obesus) in the Indian Ocean from counts of daily and annual increments in otoliths	02/06/2025
IOTC-2025-WPTT27(DP)-09	Update of joint CPUE indices for bigeye tunas in the Indian Ocean based on Japanese, Korean and Taiwanese longline fisheries data (up to 2024)	11/06/2025
IOTC-2025-WPTT27(DP)-11	An update of Bayesian Skipjack tuna CPUE Standardization for the Maldives Pole and Line Fishery, 1995 – 2024	29/05/2025
IOTC-2025-WPTT27(DP)-12	Current impacts of climate change on ocean productivity and skipjack tuna habitat	29/05/2025
IOTC-2025-WPTT27(DP)-13	Update on the long time series CPUE standardization for skipjack tuna (Katsuwonus pelamis) of the EU purse-seine fishery on floating objects (FOB) in the Indian Ocean	29/05/2025
IOTC-2025-WPTT27(DP)-14	Standardized catch per unit effort of bigeye tuna in the Indian Ocean for the European purse seine fleet operating on floating objects	04/06/2025