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The 2009 Port State Measures Agreement (PSMA) was the first legally binding international instrument to
empower port States to deny foreign vessels suspected of having engaged in illegal, unreported and unregulated (IUU) fishing from using their ports and to land catches. This paper builds upon previous work analyzing 2020 AIS data to rank fishing ports globally and assessing evolving port State risk and port States performance in PSMA implementation.

A group of Chinese-linked distant-water squid fishing vessels have been identified regularly transmitting over MMSIs in the 150 series (not assigned to any country) and engaging in complex behaviour involving regular name changes over AIS, sharing of names and MMSIs between vessels and transmission of multiple MMSIs from individual vessels. Whilst this behaviour alone does not constitute IUU, it does make it extremely challenging to monitor the number of individual vessels and the activities of these vessels using AIS and confirm their identities - a matter of concern for RFMOs, coastal States and port States that the vessels interact with during their operations. The Joint Analytical Cell (JAC) consulted with China on the issues identified in the report and the results of this informative dialogue are captured in the final report.

This document was developed by an Expert Review Group based on outcomes from three Virtual
Expert Workshops on Best Practices in Compliance in RFMOs, convened by The Pew Charitable Trusts,
in collaboration with the International Seafood Sustainability Foundation (ISSF), with the support of a
Steering Committee. The document examines the compliance processes of the RFMOs and makes several recommendations for their strengthening.

In an extensive one-year research on Thailand's overseas fishing fleets, Greenpeace finds that many of Thailand's distant water fishing fleets participate in illegal, unregulated, and unreported fishing. Despite the Thai government passing regulation in 2015 to control distant fishing fleets, Greenpeace uncovers multiple enduring human rights violations. Many of Thailand's companies, aided by large refrigerated vessels known as "reefers", are once again sailing at sea, continuing practices that lead to trafficking, fatalities, disease, and countless other human rights violations.

In an effort to tackle illegal fishing the Indonesia government introduced a series of regulations and policy changes that affect the fishing activities of domestic and foreign fishers. This study identified key behaviours by vessel operators that indicate violations of these regulations in particular relating to transshipment of purse seine and longline vessels. The study further highlights potentially unintended consequences as fishers respond to the new policies feeling their livelihoods may be under threat.

The Western and Central Pacific Fisheries Commission (WCPFC) has seen staggering growth in transshipment activity within its Convention Area. Using publicly available information on transshipment
operations within the WCPF Convention Area, this report highlights the issues of inconsistent data from Observers, insufficient data sharing among the tRFMOs and recognises the need for additional management rules and data verification in order to maximise transparency and minimise the potential for IUU fish to be laundered into the market.

This is the report of an Independent Panel tasked with developing a model for improved governance by RFMOs. The mandate of the Panel was to develop a model for improved governance by RFMOs based on an analysis of the requirements of international fisheries instruments and best practice in their application. The basic intention was that the model should not only be capable of providing guidance for assessing RFMO performance in relation to international fishery instruments and identifying possible strategies for improving performance but should also address important new and emerging issues of concern.

This report discusses the rapid expansion of squid fishing in the Indian Ocean Tuna Commission (IOTC) Convention Area. The vessels appear to operate exclusively in the high seas, avoiding exclusive economic zones (EEZs) and therefore falling within an area beyond national jurisdiction (ABNJ).
The area of operation, although physically within the area covered by the regional fisheries management organisation (RFMO), the IOTC, does not fall within its area of competence as only tuna and tuna like species are included within the IOTC mandate. The squid fishery presented in this report, based on analysis of data from January 2015 to April 2017 is therefore unregulated.
Squid are important prey for 12 predatory species including significant species such as bigeye tuna and swordfish. A clear understanding of sustainable yields is needed and management frameworks are required to sustainably manage this fishery.

This report considers obstacles to, and opportunities for, more effective action to address IUU fishing and the role the role that transnational organised crime plays in the IUU fishing industry. This report examines the experiences in five countries: Indonesia; Thailand; Vietnam; Tanzania; and South Africa and examines the approaches taken by those states and the successes and failures of their policies.

This report recommends the need for action in North Sumatra to tackle the continued and sometimes deadly conflicts between traditional fishing communities and trawlers. The authors explain the large increase in the number of trawlers in the 1970s and 1980s entering the 3-mile zone reserved for traditional fishing activities. These incursions by trawlers into the traditional fishing zone and the lack of government action is resulting in contact with tragic consequences.

Mexico has access to an extensive coastline that has served the country by becoming a primary source of food and job creation. The increase in fisheries has also come at the cost of increasing corruption and a limited capacity for monitoring and enforcement resulting in significant IUU catch. Unreported and illegal fishing accounts for a high percentage of reported catch; this study aims to estimate unreported fisheries catches in Mexico from 1950 to 2010 through catch reconstructions. Results show that from 1950 to 2010, total fisheries catch was almost twice as high as the official statistics reported to the FAO. Knowing these figures, Mexico can move towards better managing their fish stock–specifically when it comes to bycatch and discards.

The IUU fishing index was created to provide a benchmark for 152 coastal countries on their exposure and response to IUU fishing. With this benchmark, various parties (governments, RFMOs, donors) can recognize where intervention is needed. With the scores of each country divided by responsibility (coastal, flag, port, general) and type of action to combat IUU fishing (vulnerability, prevalence, response), the paper calculated a score for every coastal country. With this index as a benchmark, bodies around the world can begin to recognize where help is needed to combat IUU fishing and provide personalized responses, with well-performing countries serving as a point of comparison.

This paper presents a conceptual model for the analysis of the costs and benefit aspects of the risk inherent in illegal, unreported and unregulated (IUU) activity. The researchers use data to analyze the cost and benefit aspects of risks of IUU fishing. A key result of the study is that for the cases analyzed as a group; the expected benefits from IUU fishing far exceed the expected cost of being apprehended. For an assumed 1 in 5 chance of being apprehended, the researchers calculate that reported fines for the vessels apprehended will have to be increased by 24 times for the expected cost to be at least as much as the expected benefits.

This study quantifies the economics (efforts, cost, and benefit) of high-seas fishing. Using the Global Fishing Watch database, the study was able to characterize the global high-seas fleet which enabled them to calculate the costs of fishing. Then, using total fisheries catch from the high-seas they could calculate revenue. Together, the study finds that without government subsidies, most fisheries are unprofitable. This reliance on subsidies and the overall profitability of high-seas fishing alters where high-seas fishing is conducted and what type of fisheries is utilized.

Liam Campling identifies a new tuna 'commodity frontier' that has a historical-geographical development with European fishing fleets (entirely in France and Spain) in the Eastern Tropical Atlantic and the Western Indian Ocean. In explaining how this commodity frontier came to be, Campling articulates two relations that function simultaneously at the point of production in industrial capture fisheries: vertical relations and horizontal relations. Capital has to adapt to a decline in relative ecological development, constantly holding in tension between the synthetic and the organic, coupled with increased competition between fishing firms. Together, these forces have created a commodity frontier with a clear history and provide a blueprint to analyze further capture fisheries.

This report discusses the threat of erroneous data available to MCS practitioners which can in turn lead to poor decision making, loss of credibility and potentially the loss of independent and worthy technological projects.

The authors of the report emphasise the need for accurate, reliable data and reporting with scrutiny from peers to prove rigorous analysis.

Greenpeace undertook a research project to understand the extent of misuse of AIS by the global reefer industry. Greenpeace identified and studied 416 reefers that make up the majority of vessels that have transshipped at sea in the period 2017-2019. From these vessels, Greenpeace found multiple instances of violations of AIS, with proof in adopting 'flags of convenience' (most commonly, Panama), the behavior of vessel interactions with 'encounter' and 'loitering,' and transshipment in areas that are unregulated or pose a threat to marine habitats. The continued violations of AIS by reefers, according to Greenpeace, calls for a robust Global Ocean Treaty that will stop these harmful activities and protect our oceans.

This paper discusses the problem of Illegal, Unreported and Unregulated Fishing on the high seas and acknowledges increasing restrictions put into place to attempt to deal with the problem. The paper reports on recent trends in the numbers of fishing vessels flying Flags of Convenience, discusses at-sea transshipment and resupply fleets (a key aspect of IUU fishing), recommends specific measures to manage at-sea transshipment and resupply and; place these recommendations within the context of international actions necessary to implement the UN FAO International Plan of Action on IUU Fishing.

This study uses AIS data to identify when and where transshipment occurs, which fisheries and fleets are most involved in the practice, and what proportion of the high-seas catch is transshipped versus landed directly, altogether giving a detailed account of global seafood supply chains. Among many other findings, the study finds that fishing in EEZs was mainly landed directly, but on high seas, transshipment largely predominated. Fleet usage also differed with trawlers mainly used in EEZs and longline fishing dominated at high seas. The study ultimately shows how the type of catch and its location shape the infrastructure of the supply food chain involved (i.e. a history of poor monitoring, low compliance, and weak enforcement correlates with a large number of transshipments in Russian waters.) The findings of this study can aid in identifying where illicit activity can be happening and what warrants more monitoring, control, and surveillance.

In this research study, Global Fishing Watch uses AIS information to identify where transshipment can be happening and who is doing it. About 42 percent of potential rendezvous (what is identified through AIS data to track transshipments) occur on the high seas, with the rest happening within the EEZs of different nations–especially Russia. It is concerning, however, that those areas with higher levels of reported IUU fishing correlate with areas of high potential rendezvous. With such a high level of transshipments occurring on high seas, the global community could not only benefit from using AIS data to identify illegal transshipments but must also cooperate to address lax oversight and control.