Section 01 Live animals; animal products. 03 Fish and crustaceans, molluscs and other aquatic invertebrates 03 03 Fish, frozen, excluding fish fillets and other fish meat of heading 0304 03 03 46 - - Southern bluefin tunas (Thunnus maccoyii) Commodity Code Description 03 03 46 00 - - Southern bluefin tunas (Thunnus maccoyii)