Analysis of the trends and supply chains in the CDS data for 2016 and 2017 has identified increased use of the CDS with increases in the number of DCDs (41%), DEDs (35%) and DREDs (193%) between these years. Across both years Chile had the greatest number of DCDs landings, exports and the largest quantity of landings (4 185 tonnes and 5 586 tonnes). For both years France exported the largest quantity of toothfish (3 997 tonnes and 4 531 tonnes). The largest quantity of imports was by the United States of America (USA) in both years followed by Viet Nam. Analysis of supply chains within the CDS identified the greatest trade relationship for both years was between France and Viet Nam.