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Thailand is one of world’s largest exporters of tuna products. However, the required raw materials for tuna processing in the country were imported. Albacore tuna is important species in the tuna supply chain in Thailand for white meat tuna products. This paper presents the updated information on albacore tuna caught from the Indian Ocean unloaded by foreign vessels at fishing ports in Thailand between 2016 and 2018. There was a total of 371 trips from 94 foreign vessels that carried tunas caught from the Indian Ocean and unloaded at 11 ports in four provinces of Thailand. Most of the trips was from fishing vessels (i.e., longliners and purse seiners). Among the fishing vessels, the flag countries of longliners were Indonesia, Malaysia and Taiwan Province of China, whereas the flag country of purse seiners was only Japan. The quantity of total landings and albacore tuna landed in the four port provinces was 87,401.68 t and 44.98 t, respectively. The large quantity of total landings was 72,150.19 t from carrier vessels; however, albacore tuna landed by carrier vessels was only 0.78 t. For fishing vessels, the total landings of longliners and purse seiners were 8,984.71 t and 6,266.78, respectively. The albacore tuna landed by longliners was 44.20 t, while there was none from purse seiners. The trends of number of trips made by fishing vessels as well as total landing and albacore tuna decreased from 2016 to 2018. The decreasing trends could have been affected by strict enforcement of the port state measures of Thailand as the country’s policy on combating illegal, unreported and unregulated fishing.
