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14 pages, 8 figures, supplementary information https://doi.org/10.1038/s41598-021-03777-9.-- Data availability: The Supplementary tables and figures can be found under the https://doi.org/10.6084/m9.figshare.14987001 in the public repository Figshare. To further facilitate exploration and viewing of Cehalopods Global Trade Networks by users from outside the academy or with basic technical knowledge, we have launched a fully operational web application at https://aospina.shinyapps.io/CGTN_app/.-- Correction: A network analysis of global cephalopod trade. Scientific Reports 12: 2329 (2022). https://doi.org/10.1038/s41598-022-06289-2 ; The global trade in cephalopods is a multi-billion dollar business involving the fishing and production of more than ten commercially valuable species. It also contributes, in whole or in part, to the subsistence and economic livelihoods of thousands of coastal communities around the world. The importance of cephalopods as a major cultural, social, economic, and ecological resource has been widely recognised, but research efforts to describe the extent and scope of the global cephalopod trade are limited. So far, there are no specific regulatory and monitoring systems in place to analyse the traceability of the global trade in cephalopods at the international level. To understand who are the main global players in cephalopod seafood markets, this paper provides, for the first time, a global overview of the legal trade in cephalopods. Twenty years of records compiled in the UN COMTRADE database were analysed. The database contained 115,108 records for squid and cuttlefish and 71,659 records for octopus, including commodity flows between traders (territories or countries) weighted by monetary value (USD) and volume (kg). A theoretical network analysis was used to identify the emergent properties of this large trade network by analysing centrality measures that revealed key insights into the role of traders. The results illustrate that three countries (China, Spain, and Japan) led the majority of global market movements between 2000 and 2019. Based on volume and value, as well as the number of transactions, 11 groups of traders were identified. The leading cluster consisted of only eight traders, who dominated the cephalopod market in Asia (China, India, South Korea, Thailand, and Vietnam), Europe (the Netherlands, and Spain), and the USA. This paper identifies the countries and territories that acted as major importers or exporters, the best-connected traders, the hubs or accumulators, the modulators, the main flow routes, and the weak points of the global cephalopod trade network over the last 20 years. This knowledge of the network is crucial to move towards an environmentally sustainable, transparent, and food-secure global cephalopod trade ; AO was supported by H2020 Marie Skłodowska-Curie Actions (746361) and Contract financed through the call for postdoctoral fellowships of the Government of the Balearic Islands, program "Vicenç Mut" 2020. SV, GA, PP, CP and FLM knowledge the financial support from the INTERREG Cephs and Chefs Project (EAPA 282/2016), and Xunta de Galicia Grupos de Referencia Competitiva (under Grant ED431C2019/11). PP was supported by Xunta de Galicia (RECREGES II project under Grant ED481B2018/017). CP acknowledges FCT for the research contract 2020.02510.CEECIND. CP and FLM would also like to acknowledge FCT/MCTES national funds for the financial support to CESAM (UIDP/50017/2020 + UIDB50017/2020) ; With the institutional support of the 'Severo Ochoa Centre of Excellence' accreditation (CEX2019-000928-S) ; Peer reviewed

ICES Annual Science Conference, 9-12 September 2019, Gothenburg, Sweden ; Diversification of fisheries is strategic for the European Union. Adding value to underexploited and non-quota seafood species, such as cephalopods, represents an alternative source of income in fisheries, especially when commercial species show signs of unsustainable over-exploitation. Although cephalopods are fished in significant quantities across the Atlantic, challenges such as poor species identification and lack of stock assessment may preclude achievement of their potential as an alternative source of sustainable catches. While there is little or no market interest in much of northern Europe, the shortfinned squid (Illex coindetii, Todaropsis eblanae, Todarodes sagitattus, family Ommastrephidae) are a relatively important fishing resource in the Atlantic Iberian Peninsula, particularly along the north Spanish coast. However, the current understanding of their life cycles and stock status is limited. The present study aims to describe interannual and seasonal patterns in ommastrephid species landings, considering the varying proportions of the various species landed over time in the Iberian Peninsula, including information from Portugal and Spain. Biological characteristics (length, weight, sex and maturity distribution) are also described based on DCF sampling. Finally, we discuss possible management measures for ommastrephid fishing, e.g. should fishing be restricted to certain seasons or areas, to help decision makers to define science-informed management and conservation strategies ; Peer reviewed