INTERNATIONAL COMMISSION FOR THE CONSERVATION OF ATLANTIC TUNAS
COMMISSION INTERNATIONALE POUR LA CONSERVATION DES THONIDES DE L'ATLANTIQUE
COMISIÓN INTERNACIONAL PARA LA CONSERVACIÓN DEL ATÚN ATLÁNTICO

COLLECTIVE VOLUME OF SCIENTIFIC PAPERS, 83 (2026)


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  • Report of the 2026 First Intersessional Meeting of the Bluefin Tuna Species Group
  • Rapport de la première réunion intersessions de 2026 du Groupe d’espèces sur le thon rouge
  • Informe de la primera reunión intersesiones de 2026 del Grupo de especies de atún rojo
SCRS/2026/003 Report of the 2026 First Intersessional Meeting of the Bluefin Tuna Species Group (Online, 9-12 March 2026)/Rapport de la première réunion intersessions de 2026 du Groupe d’espèces sur le thon rouge  (En ligne, du 9 au 12 mars 2026)/Informe de la primera reunión intersesiones de 2026 del Grupo de especies de atún rojo (en línea, 9-12 de marzo de 2026)  Anon. 1-69
SCRS/2026/020 Bluefin tuna mixing rates in the western Atlantic Ocean based on genetic data: 2016-2021  Hanke A. R., Akia S., and Lauretta M. 1-17
SCRS/2026/021 Preliminary results and model diagnostics of continuity run using Stock Synthesis 3 for a status check of Atlantic bluefin tuna in the West Atlantic Ocean  Tsukahara Y., Kimoto A., Ortiz M., Lauretta M., and Walter J. 1-26
SCRS/2026/022 Alternative model settings for BFT-W area-based stock assessment using Stock Synthesis 3  Tsukahara Y., Fukuda H. 1-16
SCRS/2026/023 Stock Synthesis continuity runs from the 2022 stock assessment for eastern Atlantic and Mediterranean bluefin tuna Fernandez C., Carmona I., Kimoto A., Lauretta M., Ortiz M., Rouyer T., Tsukahara Y., and Walter J. 1-62
SCRS/2026/024 Report on the collaborative ageing of western Atlantic bluefin tuna   Zipp K., Pacicco A., Busawon D., Nadeau S., Carlucci  J., Rudnicky B., Koob E., Hanke A., Sée I., Alper B., Lauretta M., O’Donnell M., Allman R., and Golet W. 1-50
SCRS/2026/025 Operational Protocol for Tuna Size Estimation with the Kongsberg M3 Multibeam Sonar  Uranga J., Boyra G., Martínez U., Lastra P., Lekanda A., Onandia I., Melvin G., Sobradillo B., and Arrizabalaga H. 1-59
SCRS/2026/026 GBYP biobank: development of Biotuna visualization tool  Artetxe-Arrate I., Zudaire I., Lastra-Luque P., Diaz-Arce N., Rodriguez-Ezpeleta N., Alemany F., and Fraile I. 1-15
SCRS/2026/027 Genetic and Isotopic Estimates of Atlantic Bluefin Tuna Stock Mixing  Fraile I., Artetxe‑Arrate I.,  Lastra‑Luque P., Arrizabalaga H., Rodríguez‑Ezpeleta N., Zudaire I., Alemany F., and Díaz‑Arce N. 1-15
SCRS/2026/028 Summary of input data (catch and size) used in the Atlantic bluefin tuna for stock status check and operating models in 2026  Kimoto A., Ortiz M., Deprez B., and Mayor C. 1-35
SCRS/2026/030 Characterizing a decade of Atlantic bluefin tuna stock mixing in the Gulf of Maine  Berge K., Whitener Z., Golet W., Lauretta M., and Kerr L. 1-18
  • Report of the 2026 Second Intersessional Meeting of the Bluefin Tuna Species Group
  • Rapport de la deuxième réunion intersessions de 2026 du Groupe d’espèces sur le thon rouge
  • Informe de la segunda reunión intersesiones de 2026 del Grupo de especies de atún rojo
SCRS/2026/011 Report of the 2026 Second Intersessional Meeting of the Bluefin Tuna Species Group (Hybrid/Nara, Japan 1-4 July 2026)/Rapport de la première réunion intersessions de 2026 du Groupe d’espèces sur le thon rouge  (Hybride, Nara, Japon, du 1 au 4 juillet  2026)/Informe de la segunda reunión intersesiones de 2026 del Grupo de especies de atún rojo (Híbrida, Nara Japón, 1-4 de julio de 2026)  Anon. 1-139
SCRS/2026/152 Updated size frequency data of the Atlantic bluefin tuna East Atlantic and Mediterranean stock for the 2026 status check  Kimoto A., Mayor C., Deprez B., and Ortiz M. 1-11
SCRS/2026/153 Updated size frequency data of West Atlantic bluefin tuna including reconstructed historical data  Kimoto A., Boustany A.M., McClenachan L.E., Van Houtan K.S., Walter III J.F., and Lauretta M.V. 1-17
SCRS/2026/160 Continuity model using Stock Synthesis 3 for a status assessment of Atlantic bluefin tuna in the West Atlantic Ocean: part 1 input data and model specification  Tsukahara Y., Gillespie K., Kimoto A., Ortiz M., Lauretta M., and Walter J. 1-41
SCRS/2026/161 Continuity model using Stock Synthesis 3 for a status assessment of Atlantic bluefin tuna in the West Atlantic Ocean: part 2 model diagnostics and results Tsukahara Y., Gillespie K., Kimoto A., Ortiz M., Lauretta M., and Walter J. 1-57
SCRS/2026/162 Continuity model using Stock Synthesis 3 for a status assessment of Atlantic bluefin tuna in the West Atlantic Ocean: part 3 sensitivity runs  Tsukahara Y., Gillespie K., Kimoto A., Ortiz M., Lauretta M., and Walter J. 1-9
SCRS/2026/163 Stock Synthesis model runs for the 2026 stock assessment for eastern Atlantic and Mediterranean bluefin tuna  Fernandez C., Carmona I., Kimoto A., Lauretta M., Ortiz M., Rouyer T., and Walter J. 1-104
SCRS/2026/164 Assessing the reproductive biology of western Atlantic bluefin tuna using histological techniques (2007-2024)  Pacicco A. and Farley J. 1-20
SCRS/2026/165 Development of the multi-stock age-structured model for Atlantic bluefin tuna in 2026  Huynh Q.C. 1-27

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  • Report of the Atlantic Swordfish Data Preparatory meeting
  • Rapport de la réunion de préparation des données sur l'espadon de l'Atlantique
  • Informe de la reunión de preparación de datos de pez espada del Atlántico
SCRS/2026/004 Report of the Atlantic Swordfish Data Preparatory meeting (Hybrid, Madrid, Spain, 23-27 March)/Rapport de la réunion de préparation des données sur l'espadon de l'Atlantique (Hybride,  Madrid, Espagne, 23-27 mars 2026) /Informe de la reunión de preparación de datos de pez espada del Atlántico (Híbrida, Madrid, España, 23-27 de marzo 2026) Anon. 1-99
SCRS/2026/016 The use of traplines in the Portuguese pelagic longline fleet operating in the eastern Atlantic  Coelho R., Lino P., Barbosa C., and Rosa D. 1-9
SCRS/2026/018 Updated standardized catch rates for South Atlantic stock of swordfish (Xiphias gladius) from the Spanish longline fleet for the period 1989-2024  Fernández-Costa J.,  Ramos-Cartelle A. 1-11
SCRS/2026/033 Revision of historical catch statistics of swordfish (Xiphias gladius) Caught by the Mexican Fishing Fleet in the Gulf of Mexico  Ramírez-López K., Rojas-González R.I., and Mayor C. 1-7
SCRS/2026/034 Spatio-temporal model for CPUE standardization: Application to South Atlantic swordfish caught by Japanese tuna longline fishery from 1962 to 2024  Kai M. 1-23
SCRS/2026/035 Influences of Using Ring-Shaped Branch-Line (Meka-Ring) on Atlantic Swordfish CPUE in Japanese Longline Fisheries  Kai M., Tsukahara Y., Sato K., and Semba Y. 1-5
SCRS/2026/036 Review and Preliminary Analysis of Size Samples of South Atlantic and Mediterranean Swordfish (Xiphias gladius)  Ortiz M., Taylor N.G., Mayor C., and Kimoto A 1-13
SCRS/2026/039 CPUE trends of the Greek surface longline swordfish fishery in the eastern Mediterranean  Tserpes G., Peristeraki P. 1-6
SCRS/2026/041 Final report for Phase seven of the ICCAT short-term contract for continuation of the swordfish growth, reproduction and genetics studies: biological samples collection and analysis  Rosa D., Stewart N., Gioacchini G., Borrego-Santos R., Andrews A.H., Krusic-Golub K., Carnevali O., Macias D., Hanke A., Gillespie K., and Coelho R. 1-58
SCRS/2026/042 Updated standardized swordfish catch rates from longline fisheries operating in the Ligurian Sea (Italy, western Mediterranean) (period 1990–2024) Garibaldi F., Bottero F, Lanteri L, and Pinto C 1-13
SCRS/2026/043 Multi-fleet longline CPUE standardization for South Atlantic swordfish (Xiphias gladius)  Su N-J., Mourato B.L, West W, Coelho R., Forselledo R., Kai M., Sant’Ana R., Báez J.C., Jagger C.E., Gillespie K., Kimoto A., and Cardoso L.G 1-31
SCRS/2026/045 Climate induced shifts in swordfish spawning habitat (1990-2022) advocating for the implementaton adaptive strategies to cope with management uncertainties  Tugores M.P., Torres A P, Reglero P, Martín M, Balbín R, and Alvarez-Berastegui D 1-12
SCRS/2026/046 Swordfish discard estimates in the Spanish Mediterranean longline fleet using the Bycatch Estimator Tool  Rueda L., Moreno J.F.,, Ortiz de Urbina J.M., Puerto M.A., and Macías D 1-9
SCRS/2026/048 Updated catch rates of swordfish (Xiphias gladius) caught by Moroccan longline fleet in the Mediterranean Sea, 2012–2024 Layachi M., Ikkiss A, Abid N, Serghini M, and Bensbai J 1-7
SCRS/2026/049 Revision of historical size distributions of swordfish (Xiphias gladius) Caught by the Mexican fishing fleet in the Gulf of Mexico  Ramírez-López K., Rojas-González I., and Mayor C 1-6
SCRS/2026/050 CPUE Standardisation of swordfish caught by longline in South African Waters  West W.M., da Silva C, and Kerwath S.E 1-19
SCRS/2026/051 Development and results of the pilot project on the efficacy of traplines/loops in the Spanish longline fleet in the ICCAT Area  Báez J.C., Alegría A., Moreno J., Borrego-Santos R., Salmerón F., García-Barcelona S., Rodríguez E., Carrera M., Rueda L., Puerto M.A., Gómez-Vives M.J., and Macías D 1-7
SCRS/2026/052 Standardized catch rates of swordfish from Brazilian and Uruguayan pelagic longline fisheries in the South Atlantic Ocean (1994–2024)  Mourato B., Forselledo R, Jiménez S, Kikuchi E, Mas F, Cardoso L G, and Sant’Ana R 1-14
SCRS/2026/055 Updated analysis of maturity in swordfish (Xiphias gladius) from western Mediterranean Sea: From 2018 to 2025  Borrego-Santos R., Puerto M.A, Alegría A, Rueda L, Rodríguez E, Gómez-Vives MJ, Moreno J, Carrera M, Saber S, Poisson F, and Macías D 1-14
SCRS/2026/056 Standardization of CPUE for South Atlantic swordfish (Xiphias gladius) caught in the Chinese Taipei tuna longline fishery using Delta approach  Su N-J., Sung Y-F 1-10
SCRS/2026/057 Report of the 2025 ICCAT swordfish tagging campaigns off São Tomé e Príncipe (Gulf of Guinea)  Gillespie K., da-Conceição I 1-11
  • Report of the 2026 ICCAT swordfish stock assessment meeting
  • Rapport de la réunion d'évaluation du stock d’espadon de 2026 de l'ICCAT
  • Informe de la reunión de evaluación del stock de pez espada de 2026 de ICCAT
SCRS/2026/012 Report of the 2026 ICCAT swordfish stock assessment meeting  (Hybrid, Madrid, Spain, 13-17 July)/Rapport de la réunion d'évaluation du stock d’espadon de 2026 de l'ICCAT (Hybride,  Madrid, Espagne, 13-17 juillet 2026) /Informe de la reunión de evaluación del stock de pez espada de 2026 de ICCAT (Híbrida, Madrid, España, 13-17 de julio de 2026) Anon. 1-106
SCRS/2026/090 Estimation of undersize Mediterranean swordfish (Xiphias gladius) dead discards between 2019–2024 for the main longline fleets  Ortiz M. and Kimoto A. 1-13
SCRS/2026/166 South Atlantic swordfish (Xiphias gladius) preliminary assessment using stock synthesis, 1950-2024 Kikuchi E., Mourato B., Sant’Ana R., Gillespie K., and Cardoso L.G. 1-31
SCRS/2026/167 Age and growth of South Atlantic and Mediterranean swordfish (Xiphias gladius) stocks based on spines and otoliths  Rosa D., Krusic-Golub K., Busawon D., Quelle P., Garibaldi F., Mariani A., Di Natale A., Schirripa M., Alves Bezerra N., Su N.-J., Cardoso L.G., Arocha F., Lombardo S., Campello T., Santos M.N., Travassos P., Brown C., Hanke A., Gillespie K., and Coelho R. 1-42
SCRS/2026/168 Analysis of catch-at-size data of swordfish (Xiphias gladius) caught by longline fisheries operating in the Ligurian Sea (Italy, western Mediterranean), period 1990–2024  Garibaldi F., Boterro F., Lanteri L., and Pinto C. 1-9
SCRS/2026/169 Continuity model runs for the Mediterranean swordfish stock assessment using the a4a initiative  Mantopoulou-Palouka D., Tserpes G., Kimoto A., and Jardim E. 1-11
SCRS/2026/170 Assessing Mediterranean swordfish using the assessment for all (a4a) model  Mantopoulou-Palouka D., Tserpes G., Kimoto A., and Jardim E. 1-13
SCRS/2026/172 Exploring the trade-offs between selectivity, retention, and discard mortality for North Atlantic swordfish  Hordyk A. and Gillespie K 1-12
SCRS/2026/173 Stock assessment of South Atlantic swordfish in 2026: exploring alternative biological priors with JABBA model  Mourato B., Kikuchi E., Gillespie K., Sant'Ana R., Kimoto A., Ortiz M., and Cardoso L.G 1-25

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  • Report of the 2026 Albacore Data Preparatory Meeting
  • Rapport de la reunion de preparation des donnees du stock de germon de 2026
  • Informe de la Reunión de 2026 de preparación de datos de atún blanco
SCRS/2026/005 Report of the 2026 Albacore Data Preparatory Meeting (Hybrid, Basque Country, Spain 13-17 April 2026)/Rapport de la réunion de 2026 de  préparation des données sur le germon (Hybride, Pays Basque, Espagne, 13-17 avril 2026)/Informe de la réunion de préparation des données sur le germon (Hybride, Pays Basque, Espagne, 13-17 avril 2026) Anon. 1-89
SCRS/2026/032 Bomb 14C dating, age estimate refinement, and growth characteristics of North Atlantic albacore (Thunnus alalunga) using otoliths  See I., Andrews A.H., Krusic-Golub K., Haghipour N., Allman R.J., Orbesen E., Snodgrass E., Pacicco A., Quelle Eijo P., Ortiz de Zárate V., and Golet W.J. 1-15
SCRS/2026/037 Standardized catch per unit effort of albacore (Thunnus alalunga) from the EU-Spin baitboat fleet for the period: 1981-2025 in the northeast Atlantic  Quelle P., Jaranay M., Carmona I., and Ortiz M. 1-12
SCRS/2026/058 Preliminary Evaluation of Candidate Management Procedures for North Atlantic albacore  Urtizberea A., Correa G.M., Merino G., Arrizabalaga H. 1-12
SCRS/2026/062 Temporal trends in standardized CPUE of South Atlantic albacore (Thunnus alalunga) from Brazilian and Uruguayan longline fisheries (1978-2024)  Mourato B., Forselledo R., Jiménez S., Kikuchi E., Mas F., Cardoso L.G., and R. Sant’Ana 1-13
SCRS/2026/064 Regional abundance index for albacore tuna caught in the Chinese Taipei longline fisheries in the North Atlantic Ocean Su N-J., Sung Y.F. 1-14
SCRS/2026/065 CPUE standardization for albacore tuna (Thunnus alalunga) caught in the Chinese Taipei longline fishery in the South Atlantic Ocean Su N-J., Sung Y.F. 1-9
SCRS/2026/068 Environmental effects on the standardization of albacore (Thunnus alalunga) abundance index in the Gulf of Hammamet and adjacent Mediterranea Sea (2024-2025) Hajjej G., Hanke A., and Sosthene A. 1-18
SCRS/2026/069 Standardization of CPUE for albacore tuna (Thunnus alalunga) in the Namibian pelagic longline fishery (2004-2024)  Jagger C.E., Paulus S.C. 1-18
SCRS/2026/071 CPUE standardization of albacore (Thunnus alalunga) caught by the South African tuna-pole-line (baitboat) fleet for the time series 2003-2024  West W.M., Kerwath S.E. 1-16
SCRS/2026/072 Standardized CPUE for South Atlantic albacore by Japanese longline fishery from 1979 to 2025  Matsubara N., Aoki Y. 1-15
SCRS/2026/073 Standardiized CPUE for North Atlantic albacore by the Japanese longline fishery from 1975 to 2025 as bycatch period  Matsubara N., Aoki Y. 1-8
SCRS/2026/078 Characterizing growth uncertainty in albacore (Thunnus alalunga) using a Monte Carlo approach based on literature-derived variability  Mourato B., Kikuchi E., Quelle P., and Ortíz M. 1-7
SCRS/2026/079 North Atlantic albacore tuna reproductive biology study: Biological samples collection and analysis  Busawon D.S., Hanke A., Quelle P., Su N.J., Macías D., Puerto M.A., Gomez M.J., Rodríguez E., Borrego-Santos R., Chapela I., Jaranay M., Sánchez C., García B., and Gutiérrez  O. 1-20
  • Report of the 2026 Albacore Stock Assessment Meeting
  • Rapport de la réunion d’évaluation du stock de germon de 2026
  • Informe de la Reunión de 2026 de evaluación del stock de atún blanco
SCRS/2026/010 Report of the 2026 Albacore Stock Assessment  Meeting (Hybrid, Madrid, Spain 22-25 June 2026)/Rapport de la réunion d’évaluation du stock de germon de 2026 de l'ICCAT (Hybride, Madrid, Espagne, 22-25 juin 2026)/Informe de la Reunión de 2026 de evaluación del stock de atún blanco de ICCAT (Híbrida, Madrid, España, 22-25 de junio de 2026) Anonymous 1-70
SCRS/2026/155 Calibration of fishing gears for standardizing catches of albacore tuna larvae in the western Mediterranean  Alvarez-Berastegui D., Tugores M.P., Torres A.P, Alvarez I., Gonzalez N., Aranda I., Carreño A., and Reglero P. 1-26
SCRS/2026/156 Preliminary stock synthesis assessment for south Atlantic albacore (Thunnus alalunga) covering 1956–2024  Kikuchi E., Mourato M., Hordyk A., Sant’Ana R., Kimoto A., Ortiz M., and Cardoso L.G. 1-54
SCRS/2026/159 Preliminary JABBA Model runs in support of the 2026 Stock Assessment of South Atlantic Albacore (Thunnus alalunga)  Sant'Ana R., Mourato B., Kikuchi E., Cardoso L.G., Kimoto A., and Ortiz M. 1-15
SCRS/2026/190 Evaluation of candidate management procedures for North Atlantic albacore Urtizberea A., Morón Correa G., Merino G., and Arrizabalaga H. 1-14

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  • Intersessional Meeting of the Tropical Tunas Species Group (including MSE)
  • Réunion intersessions du Groupe d'espèces sur les thonidés tropicaux (incluant la MSE)
  • Reunión intersesiones del Grupo de especies de túnidos tropicales (incluida la MSE)
SCRS/2026/006 Report of the Intersessional Meeting of the Tropical Tunas Species Group (Hybrid, Madrid, Spain, 20-22 April 2026)/Réunion intersessions du Groupe d'espèces sur les thonidés tropicaux (incluant la MSE) (Hybride,  Madrid, Espagne, 20-22 avril 2026)/Reunión intersesiones del Grupo de especies de túnidos tropicales (incluida la MSE) (Híbrida, Madrid, España, 20-22 de abril de 2026)  Anon. 1-42
SCRS/2026/054 Updated fishery statistics of tuna species caught off Madeira archipelago, 2014-2024  Alves A., Amorim A., Ferreira R., and Gouveia L. 1-23
SCRS/2026/067 Projet thonidés tropicaux : collecte et analyse d'échantillons biologiques pour l'âge et la croissance des thons tropicaux  Diaha N.C., Ngom S. F., Abekan E., Ba K., Aissan R. A., Sadio N., Djeneba C., and N’guessan Y. 1-20
SCRS/2026/080 Mise à jour des traits biologiques de la bonite à ventre rayé capturée dans la zone sud du Maroc entre 2021 et 2024  El-Joumani E.M., Baibbat S.A., Bensbai J., and Abid N. 1-7
SCRS/2026/081 Statistique des prises accessoires des thonidés tropicaux (albacore, listao, thon obèse) des navires de la pêche industrielle (pi), pêche semi-industrielle (PA) et pêche artisanale (PA) 1995–2025 Soumah M. 1-10

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  • Report of the 2026 ICCAT Subcommittee of Ecosystems and Bycatch (SC-ECO) Meeting
  • Rapport de la réunion de 2026 du Sous-comité des écosystèmes et des prises accessoires de l'ICCAT (SC-ECO)
  • Informe de la reunión de 2026 del Subcomité de ecosistemas y capturas fortuitas de ICCAT (SC-ECO)
SCRS/2026/007 Report of the 2026 ICCAT Subcommittee of Ecosystems and Bycatch (SC-ECO) Meeting (hybrid/ Madrid (Spain), 18-22 May 2026) /Rapport de la réunion de 2026 du Sous-comité des écosystèmes et des prises accessoires de l'ICCAT (SC-ECO) (hybride/Madrid, Espagne, 18-22 mai 2026) / Informe de la reunión de 2026 del Subcomité de ecosistemas y capturas fortuitas de ICCAT (SC-ECO) (formato híbrido, Madrid (España), 18-22 de mayo de 2026) Anonymous 1-106
SCRS/2026/092 Mapping trophic interactions in the western Central Atlantic pelagic ecosystem: an ecopath modeling approach  Narváez M., Marín H., Herrera A.T., Evaristo E., Villamizar V, and Arocha F. 1-20
SCRS/2026/094 Planning experimental studies on technical fishing gear modifications to detect catch rate changes in ICCAT pelagic longline fleets  Coelho R., Bowlby H., Carlson J., Díaz G.A., Domingo A., Forselledo R., and Su N.J 1-15
SCRS/2026/095 Checklist of bycatch species observed in the Spanish fleet targeting tunas and tuna-like species in the ICCAT area  Báez J.C., Alegría A., Moreno J., Salmerón F., Alonso M.L.R., Pascual P.J., Abascal F.J., Déniz S., García-Barcelona S., Casañas I., de la Rosa J., Torreblanca Estrada D., and Macías D. 1-10
SCRS/2026/096 Differences in bycatch associated with surface longline métiers targeting swordfish using traplines/loops from the Mediterranean Sea  Macías D., Alegría A., Borrego-Santos R., Moreno J., Salmerón F., Rueda L., García-Barcelona S., Torreblanca D., Ortiz de Urbina J., and Báez J.C. 1-5
SCRS/2026/097 Estimates of live and dead discards of shortfin mako sharks in Spanish surface longline fisheries in the Atlantic Ocean using Bycatch-Estimation Tool  Báez J.C., Alegría A., Rueda L., Salmerón F., de la Rosa J., Torreblanca D., Ramos Alonso M.L., and Macías D. 1-9
SCRS/2026/099 Modelling spatiotemporal patterns of mobulids in the East Tropical Atlantic Ocean  Riesgo Torres M.D., Pennino M.G., Ramos Alonso M.L., Ruiz Gondra J., Sabarros P.S., Erauskin Extramiana M., and Juan Jordá M.J. 1-20
SCRS/2026/100 A temperature-driven early-life habitat suitability indicator for bigeye tuna in the tropical Atlantic: towards climate-informed ecosystem indicators  Chaguaceda M., Juan-Jordá M.J., and Alvarez-Berastegui D. 1-30
SCRS/2026/103 Preliminary Ecosim model of the tropical Atlantic Ocean: hindcasting food-web and fisheries dynamics  Meléndez-Arteaga J., Andonegi E., Juan Jordá M.J., Zudaire I., Forrestal F., Die D., and Corrales X. 1-21
SCRS/2026/107 Incidental catch information from Namibia’s large pelagic fishery: preliminary indicators in support of ICCAT ecosystem considerations  Jagger C.E. 1-8
SCRS/2026/108 The role of the TUNAMED observatory for assessing environmental variability and climate change impacts on large pelagic fish populations in the Mediterranean  Alvarez-Berastegui D., Tugores M.P., Torres A.P., Ottmann D., González N., Aranda I., Alvarez-Ellacuria I., Balbín R., Carreño A., Santandreu M., Juza M., and Reglero P. 1-8
SCRS/2026/110 Overlap between high seas fishing activity and tropical seabirds that rely on subsurface predators to catch prey  Clark B.L, Shearer L., Simpson T.J.S., Beard A.M., Wright S., Defriez E., Oppel S., Bell J., Reynolds S.J., Phillips R.A., Davies T., Clingham E., Dickey R.C., Henry L., Hughes B.J., Small A., Tuppen S., Wearn C.P., Weber N., Weber S., and Carneiro A.P.B. 1-15
SCRS/2026/116 Evaluating ICCAT candidate ecoregions as a framework to support ecosystem-based advisory products: a comparative analysis of tuna and billfish fisheries and fleets  Casado-Orta H., Mariño G., Murua H., Andonegi E., Idarraga Garces V., and Juan-Jordá M.J. 1-60

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  • Report of the 2026 ICCAT Meeting of the Working Group on Stock Assessment Methods
  • Rapport de la réunion intersessions de 2026 du Groupe de travail sur les méthodes d’évaluation des stocks de l'ICCAT
  • Informe de la reunión de 2026 del Grupo de trabajo sobre métodos de evaluación de stocks de ICCAT
SCRS/2025/008 Report of the 2026 ICCAT Meeting of the Working Group on Stock Assessment Methods (hybrid/Madrid, Spain from 25-28 May 2026)/Rapport de la réunion intersessions de 2026 du Groupe de travail sur les méthodes d’évaluation des stocks de l'ICCAT (Hybride/ Madrid, Espagne, 25-28 mai 2026)/Informe de la reunión de 2026 del Grupo de trabajo sobre métodos de evaluación de stocks de ICCAT (Formato híbrido, Madrid, España, 25-28 de mayo de 2026) Anonymous 1-62
SCRS/2026/082 Methods to estimate multi-species discards from the Portuguese pelagic longline fishery in the Atlantic Ocean  Coelho R., Rosa D., and Lino P.G. 1-36
SCRS/2026/103 Preliminary Ecosim model of the tropical Atlantic Ocean: Hindcasting food-web and fisheries dynamics  Meléndez-Arteaga J., Andonegi E., Juan Jordá M.J., Zudaire I., Forrestal F., Die D., and Corrales X. 1-21
SCRS/2026/114 Technical improvements to the bycatch estimation toolkit and prototype web-based application  Babcock E.A., Adao A., and Harford W.J. 1-10
SCRS/2026/115 Second training workshop on the Bycatch Estimator Toolkit  Babcock E.A., Adao A., and Harford W.J. 1-8
SCRS/2026/126 Application of the Bycatch Estimator Tool to estimate bycatch in the Venezuelan industrial longline fleet  Narvaez M., Marín H., Evaristo E., Gutiérrez X., and Arocha F. 1-16
SCRS/2026/127 Swordfish bycatch estimation for the Chinese longline fleet in the Atlantic  Jiang M., Wang R., Cheng X., Dong S., and Zhang F. 1-8
SCRS/2026/128 Preliminary data model analysis of bycatch from Tunisian swordfish fishery: case of Mahdia port  Zarrad R. 1-5
SCRS/2026/131 Review of the assessment for all initiative (a4a) statistical catch-at-age framework for the ICCAT software catalogue  Jardim E., Mantopoulou Palouka D., Tserpes G., and Kimoto A. 1-6
SCRS/2026/133 Estimation of swordfish discards in the South African longline fleet, using the Bycatch Estimator Tool  West W.M., and DaSilva C. 1-11
SCRS/2026/134 Estimation of shortfin mako discards in the South African longline fleet using the bycatch estimation tool DaSilva C, West W.M. 1-12
SCRS/2026/135 Assessing shortfin mako live-release catch rates in Namibia using a tweedie gam standardization framework Jagger C.E., Hanghome G., Nambahu T., and Paulus S.C. 1-16

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  • Report of the 2026 ICCAT North Atlantic Shortfin Mako Shark Stock Assessment Meeting (including Blue Shark MSE)
  • Rapport de la Reunion d’evaluation du stock de requin-taupe bleu de l'Atlantique Nord de 2026 de l’ICCAT (incluant la MSE pour le requin peau bleue)
  • Informe de la Reunión de evaluación del stock de marrajo dientuso del Atlántico norte de 2026 de ICCAT
    (incluida la MSE para el tiburón azul)
SCRS/2026/009

Report of the 2026 ICCAT North Atlantic Shortfin Mako Shark Stock Assessment meeting (including Blue Shark MSE) (Hybrid, Lisbon, Portugal, 8–12 June 2026)

Rapport de la Reunion d’evaluation du stock de requin-taupe bleu de l'Atlantique Nord de 2026 de l’ICCAT (incluant la MSE pour le requin peau bleue) (Hybride/Lisbonne, Portugal, 8-12 juin 2026)

Informe de la Reunión de evaluación del stock de marrajo dientuso del Atlántico norte de 2026 de ICCAT (incluida la MSE para el tiburón azul) (Formato híbrido, Lisboa, Portugal, 8-12 de junio de 2026)

Anon 1-62
SCRS/2026/019 Update standardized catch rates of the North Atlantic stock of shortfin mako (Isurus oxyrinchus) inferred from Spanish surface longline fishery targeting swordfish during the 1990-2024 period  Ramos-Cartelle A. and Fernández-Costa J. 1-13
SCRS/2026/070 The growth of the North Atlantic shortfin mako: reliability and accuracy according to Δ14C data  Ramos-Cartelle A. and Fernández-Costa J. 1-9
SCRS/2026/074 Process-error diagnostics in Stock Synthesis (SS3): example based on North Atlantic shortfin mako Kell L.T. and Cardinale M. 1-10
SCRS/2026/083 Preliminary analysis of satellite telemetry data from tagged blue and shortfin mako sharks reveals substantial connectivity across the ICCAT–IOTC boundary  DaSilva C., West W.M., Booth A.J., Marsac F., Meyer M.M., Singh S., Wilke C.W., and Kerwath S.E. 1-10
SCRS/2026/090 Estimation of undersize Mediterranean swordfish
(Xiphias gladius) dead discards between 2019 –
2024 for the main longline fleets
Ortiz M., and Kimoto A. 1-12
SCRS/2026/132 Evaluation of demographic analyses to derive inputs for stock assessment of northern shortfin mako sharks  Bowlby H.D. and Babcock E. 1-17
SCRS/2026/136 A multi-fleet standardized relative abundance index for North Atlantic shortfin mako shark  Coelho R., Arocha F., Baez J.C., Bowlby H., Carlson J., Courtney D., Diaz G., Fernandez C., Kuo T.C., Liniers G., Lino P.G., Ramirez-Lopez K., Rice J., Rosa D., Rueda L., Narváez M., Salmeron F., Su N.J., Cardoso L.G. and Forselledo R. 1-34
SCRS/2026/138 Decoupling of blue shark and shortfin mako fishing mortality in the South Atlantic: implications for BSH MSE design  Taylor N.G. 1-30
SCRS/2026/139 Building multi-species MSEs from SS3 assessments: fleet alignment requirements  Taylor N.G. 1-8
SCRS/2026/140 Atlantic blue shark management strategy evaluation: operating model development and preliminary analysis  Taylor N.G. 1-19
SCRS/2026/142  Internal, external, and robustness diagnostics for stock assessment  Kell L.T. and Cardinale M. 1-14
SCRS/2026/143 Preliminary 2026 Stock Synthesis (SS3) model runs, and final agreed run, for North Atlantic shortfin mako shark (1950–2024) under three alternative biological scenarios  Fernández C., Courtney D., Rice J., Liniers G., Cardoso L.G., and Forselledo R. 1-163
SCRS/2026/144 Longevity-based constraints on equilibrium age structure: an application using age- and sex-specific natural mortality  Rice J. 1-17
SCRS/2026/145 Stock synthesis version update for the 2017 North Atlantic shortfin mako shark stock synthesis (SS3) model run 3  Courtney D. 1-6
SCRS/2026/148 Spatial and vertical behaviour analysis of the longfin mako shark (Isurus paucus) using satellite tagging, including depth-based trajectory correction  Teixeira J., Rosa D., and Coelho R. 1-12
SCRS/2026/149 Bayesian production models applied to North Atlantic mako sharks using JABBA and JABBA-select, updated in 2026  Babcock E.A. 1-23
SCRS/2026/151 Report of the Shark Species Group Informal Meetings on the 2026 North Atlantic Shortfin Mako Stock Assessment  Forselledo R. 1-7

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  • Report of the Meeting of the Ad Hoc Working Group on Coordination of Tagging Information
  • Rapport de la réunion du groupe de travail ad hoc sure la coorination des informations de marquage
  • Informe de la Reunión del grupo de trabajo ad hoc sobre coordinaación de al información sobre marcado
SCRS/2026/001

Report of the Meeting of the Ad Hoc Working Group on Coordination of Tagging Information (online, 3 February 2026)

Rapport de la réunion du groupe de travail ad hoc sure la coorination des informations de marquage (en ligne, le 3 février 2026)

Informe de la Reunión del grupo de trabajo ad hoc sobre coordinaación de al información sobre marcado (en línea, 3 de febrero de 2026)

Anon 1-22

Doc. #
Title
Titre
Titulo
Authors
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Autores
Pages
Pages
Páginas
  • Report of the Meeting of the 2026 meeting of the Sub-Committee on Statistics
  • Rapport de la réunion du Sous-comité des statistiques de 2026 
  • Informe de 2026 de la reunión del Subcomité de estadísticas
SCRS/2026/002

Report of the Meeting of the 2026 meeting of the Sub-Committee on Statistics (Online, 24-25 February 2026)

Rapport de la réunion du Sous-comité des statistiques de 2026 (En ligne, les 24 et 25 février 2026)

Informe de 2026 de la reunión del Subcomité de estadísticas (En línea, 24-25 de febrero de 2026)

Anon 1-40
SCRS/2026/013

Report of the Meeting of the 2026 of the Sub-Committee on Statistics (Hybrid/Madrid, Spain, 19 September 2026)

Rapport de la réunion du Sous-comité des statistiques de 2026 (Hybride/Madrid, Espagne, 19 septembre 2026)

Informe de 2026 de la reunión del Subcomité de estadísticas (formato híbrido/Madrid, España, 19 de septiembre de 2026)

Anon 1-52