Global Fishing Watch launches new dataset to flag illegal fishing risk

Global Fishing Watch has introduced IUU Fishing Risk Insights, an experimental dataset designed to help authorities spot vessels that may warrant closer inspection for suspected illegal fishing. The launch comes as governments and international forums put more emphasis on ocean transparency to curb crime, protect fish stocks and support coastal economies. Why it matters: - Illegal, unreported and unregulated fishing is a major threat to marine ecosystems, food security and coastal economies. - The FAO estimates 11 million to 26 million tonnes of fish are illegally caught each year, or about one in five fish that reach global markets. - Economic losses from IUU fishing are estimated at more than $2 billion a year in the Gulf of Guinea and up to $50 billion globally. - IUU fishing is repeatedly linked to other transnational crimes, including forced labor, human trafficking, drug trafficking and arms trafficking. What happened: - Global Fishing Watch launched IUU Fishing Risk Insights on June 5, 2026, to coincide with the International Day for the Fight Against Illegal, Unreported and Unregulated Fishing. - The new experimental dataset is designed to help authorities identify and prioritize vessels that may deserve closer review because of suspicious activity at sea. - The dataset maps risk rather than assigning guilt. The details: - The dataset was developed through expert consultation and a review of scientific literature. - It identifies 11 behavior-based indicators drawn from AIS data, the automatic identification system used by vessels. - The indicators include vessel encounters, proximity to vessels on IUU blacklists, trip length, time away from port, suspected AIS deactivation and possible identity spoofing. - The dataset is meant to create “digital fingerprints” of risk by combining observable behaviors that may separate routine activity from patterns that merit investigation. - The indicators are not proof of wrongdoing or legal violations. - The tool is meant to support decision-making, help governments and enforcement agencies prioritize inspections, strengthen implementation of international agreements such as the Port State Measures Agreement and direct limited resources where they can have the most impact. Between the lines: - Global Fishing Watch is betting that transparency can turn vast stretches of ocean from blind spots into searchable risk signals. - The timing of the launch lines up with growing political momentum around transparency in fisheries enforcement. - The upcoming G7 meeting in Evian, France, is expected to recognize transparency as a key tool against IUU fishing. - The Our Ocean Conference in Mombasa, Kenya, will also put ocean transparency at the center of sustainable ocean governance talks. - The broader message is that data alone will not stop illegal fishing, but it can help authorities focus scarce enforcement capacity. What’s next: - Governments and enforcement agencies are expected to test the new dataset as a screening tool for inspections and investigations. - Global Fishing Watch is urging policymakers to turn the emerging consensus on transparency into on-the-water action. - The organization says stronger visibility into vessel behavior can help support sustainable fisheries, healthier ocean ecosystems and more resilient coastal communities. The bottom line: - Global Fishing Watch is adding a new layer of ocean surveillance data that aims to make illegal fishing easier to spot before it slips through the cracks.