| 0303.42 | 000 | Yellowfin tunas (Thunnus albacares) |
| 0303.43 | 000 | Skipjack or stripe-bellied bonito |
| 0303.45 | | Atlantic and Pacific bluefin tunas (Thunnus thynnus, Thunnus orientalis) |
| 0303.45 | 010 | - Atlantic bluefin tunas (Thunnus thynnus) |
| 0303.45 | 020 | - Pacific bluefin tunas (Thunnus orientalis) |
| 0303.46 | 000 | Southern bluefin tunas (Thunnus maccoyii) |
| 0303.49 | | Herrings (Clupea harengus, Clupea pallasii), anchovies (Engraulis spp.), sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus), mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus), Indian mackerels (Rastrelliger spp.), seerfishes (Scomberomorus spp.), jack and horse mackerel (Trachurus spp.), jacks, crevalles (Caranx spp.), cobia (Rachycentron canadum), silver pomfrets (Pampus spp.), Pacific saury (Cololabis saira), scads (Decapterus spp.), capelin (Mallotus villosus), swordfish (Xiphias gladius), Kawakawa (Euthynnus affinis), bonitos (Sarda spp.), marlins, sailfishes, spearfish (Istiophoridae), excluding edible fish offal of subheadings 0303.91 to 0303.99 : |
| 0303.51 | 000 | Herrings (Clupea harengus, Clupea pallasii) |
| 0303.53 | | Sardines (Sardina pilchardus, Sardinops spp.), sardinella (Sardinella spp.), brisling or sprats (Sprattus sprattus) |
| 0303.54 | 000 | Mackerel (Scomber scombrus, Scomber australasicus, Scomber japonicus) |
| 0303.55 | 000 | Jack and horse mackerel (Trachurus spp.) |
| 0303.57 | 000 | Swordfish (Xiphias gladius) |
| 0303.59 | | 1 Anchovies (Engraulis spp.), Pacific saury (Cololabis saira) and scads (Decapterus spp.) |
| 0303.59 | 110 | - Anchovies (Engraulis spp.) |
| 0303.59 | 120 | - Pacific saury (Cololabis saira) |
| 0303.59 | 920 | - Capelin (Mallotus villosus) |
| 0303.59 | 930 | - Marlin (Istiophoridae) |
| 0303.59 | | Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, excluding edible fish offal of subheadings 0303.91 to 0303.99 : |
| 0303.63 | 000 | Cod (Gadus morhua, Gadus ogac, Gadus macrocephalus) |
| 0303.64 | 000 | Haddock (Melanogrammus aeglefinus) |
| 0303.65 | 000 | Coalfish (Pollachius virens) |
| 0303.66 | | Hake (Merluccius spp., Urophycis spp.) |
| 0303.66 | 100 | 1 Of Merluccius spp. |
Harmonized Tariff Schedule of Japans inquiry: /etc/passwd
