SECTION I - LIVE ANIMALS; ANIMAL PRODUCTS > CHAPTER 3 - FISH AND CRUSTACEANS, MOLLUSCS AND OTHER AQUATIC INVERTEBRATES > 0303 Fish, frozen, excluding fish fillets and other fish meat of heading 0304 > Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis), excluding edible fish offal of subheadings 030391 to 030399 > Atlantic and Pacific bluefin tuna (Thunnus thynnus, Thunnus orientalis)