All bycatch species which caught by foreign tuna long-line fishing vessel and uploaded at Phuket ports, Thailand in 2018 was 29.20 tons (2.60% of total catch). There were 7 species comprised, oil-fish (Ruvettus pretiosus) 65.68%, followed by Wahoo (Acanthocybium solandri) 14.69%, Mahi-fish (Coryphaena hippurus) 7.41%, Skipjack (Katsuwonus pelamis) 6.45%, Albacore (Thunnus alalunga) 4.26%, Barracuda (Sphyraena spp.) 1.38% and promfret (Taractichthys steindachneri) 0.98 %. Most of them were exported while a few were used in Thailand.