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HS chapter 03: Fish and crustaceans, molluscs and other aquatic invertebrates

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Key facts

Chapter
03
Description
Fish and crustaceans, molluscs and other aquatic invertebrates
Headings
9
Subheadings
225
Edition
HS2022

Summary

HS chapter 03 covers fish and crustaceans, molluscs and other aquatic invertebrates. It has 9 headings, 03.01 to 03.09, and 225 six-digit subheadings in HS2022. National tariff lines under chapter 03 are live on border.bot for the United States (562 lines, also used by 1 other country).

What this chapter covers

HS chapter 03 covers fish and crustaceans, molluscs and other aquatic invertebrates.

It has 9 headings, 03.01 to 03.09, and 225 six-digit subheadings in HS2022.

Subheadings 101 to 200 of 225, page 2 of 3.

03.04 Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen

  • 0304.39Fresh or chilled fillets of tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.): Other
  • 0304.41Fresh or chilled fillets of other fish: Pacific salmon (Oncorhynchus nerka, Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus), Atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho)
  • 0304.42Fresh or chilled fillets of other fish: Trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster)
  • 0304.43Fresh or chilled fillets of other fish: Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae)
  • 0304.44Fresh or chilled fillets of other fish: Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae
  • 0304.45Fresh or chilled fillets of other fish: Swordfish (Xiphias gladius)
  • 0304.46Fresh or chilled fillets of other fish: Toothfish (Dissostichus spp.)
  • 0304.47Fresh or chilled fillets of other fish: Dogfish and other sharks
  • 0304.48Fresh or chilled fillets of other fish: Rays and skates (Rajidae)
  • 0304.49Fresh or chilled fillets of other fish: Other
  • 0304.51Other, fresh or chilled: Tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.)
  • 0304.52Other, fresh or chilled: Salmonidae
  • 0304.53Other, fresh or chilled: Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae
  • 0304.54Other, fresh or chilled: Swordfish (Xiphias gladius)
  • 0304.55Other, fresh or chilled: Toothfish (Dissostichus spp.)
  • 0304.56Other, fresh or chilled: Dogfish and other sharks
  • 0304.57Other, fresh or chilled: Rays and skates (Rajidae)
  • 0304.59Other, fresh or chilled: Other
  • 0304.61Frozen fillets of tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.): Tilapias (Oreochromis spp.)
  • 0304.62Frozen fillets of tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.): Catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.)
  • 0304.63Frozen fillets of tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.): Nile Perch (Lates niloticus)
  • 0304.69Frozen fillets of tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.): Other
  • 0304.71Frozen fillets of fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae: Cod (Gadus morhua, Gadus ogac, Gadus macrocephalus)
  • 0304.72Frozen fillets of fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae: Haddock (Melanogrammus aeglefinus)
  • 0304.73Frozen fillets of fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae: Coalfish (Pollachius virens)
  • 0304.74Frozen fillets of fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae: Hake (Merluccius spp., Urophycis spp.)
  • 0304.75Frozen fillets of fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae: Alaska Pollock (Theragra chalcogramma)
  • 0304.79Frozen fillets of fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae: Other
  • 0304.81Frozen fillets of other fish: Pacific salmon (Oncorhynchus nerka, Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus), Atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho)
  • 0304.82Frozen fillets of other fish: Trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster)
  • 0304.83Frozen fillets of other fish: Flat fish (Pleuronectidae, Bothidae, Cynoglossidae, Soleidae, Scophthalmidae and Citharidae)
  • 0304.84Frozen fillets of other fish: Swordfish (Xiphias gladius)
  • 0304.85Frozen fillets of other fish: Toothfish (Dissostichus spp.)
  • 0304.86Frozen fillets of other fish: Herrings (Clupea harengus, Clupea pallasii)
  • 0304.87Frozen fillets of other fish: Tunas (of the genus Thunnus), skipjack tuna (stripe-bellied bonito) (Katsuwonus pelamis)
  • 0304.88Frozen fillets of other fish: Dogfish, other sharks, rays and skates (Rajidae)
  • 0304.89Frozen fillets of other fish: Other
  • 0304.91Other, frozen: Swordfish (Xiphias gladius)
  • 0304.92Other, frozen: Toothfish (Dissostichus spp.)
  • 0304.93Other, frozen: Tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.)
  • 0304.94Other, frozen: Alaska Pollock (Theragra chalcogramma)
  • 0304.95Other, frozen: Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, other than Alaska Pollock (Theragra chalcogramma)
  • 0304.96Other, frozen: Dogfish and other sharks
  • 0304.97Other, frozen: Rays and skates (Rajidae)
  • 0304.99Other, frozen: Other

03.05 Fish, dried, salted or in brine; smoked fish, whether or not cooked before or during the smoking process

  • 0305.20Livers, roes and milt of fish, dried, smoked, salted or in brine
  • 0305.31Fish fillets, dried, salted or in brine, but not smoked: Tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.)
  • 0305.32Fish fillets, dried, salted or in brine, but not smoked: Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae
  • 0305.39Fish fillets, dried, salted or in brine, but not smoked: Other
  • 0305.41Smoked fish, including fillets, other than edible fish offal: Pacific salmon (Oncorhynchus nerka, Oncorhynchus gorbuscha, Oncorhynchus keta, Oncorhynchus tschawytscha, Oncorhynchus kisutch, Oncorhynchus masou and Oncorhynchus rhodurus), Atlantic salmon (Salmo salar) and Danube salmon (Hucho hucho)
  • 0305.42Smoked fish, including fillets, other than edible fish offal: Herrings (Clupea harengus, Clupea pallasii)
  • 0305.43Smoked fish, including fillets, other than edible fish offal: Trout (Salmo trutta, Oncorhynchus mykiss, Oncorhynchus clarki, Oncorhynchus aguabonita, Oncorhynchus gilae, Oncorhynchus apache and Oncorhynchus chrysogaster)
  • 0305.44Smoked fish, including fillets, other than edible fish offal: Tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.)
  • 0305.49Smoked fish, including fillets, other than edible fish offal: Other
  • 0305.51Dried fish, other than edible fish offal, whether or not salted but not smoked: Cod (Gadus morhua, Gadus ogac, Gadus macrocephalus)
  • 0305.52Dried fish, other than edible fish offal, whether or not salted but not smoked: Tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.)
  • 0305.53Dried fish, other than edible fish offal, whether or not salted but not smoked: Fish of the families Bregmacerotidae, Euclichthyidae, Gadidae, Macrouridae, Melanonidae, Merlucciidae, Moridae and Muraenolepididae, other than cod (Gadus morhua, Gadus ogac, Gadus macrocephalus)
  • 0305.54Dried fish, other than edible fish offal, whether or not salted but not smoked: 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)
  • 0305.59Dried fish, other than edible fish offal, whether or not salted but not smoked: Other
  • 0305.61Fish, salted but not dried or smoked and fish in brine, other than edible fish offal: Herrings (Clupea harengus, Clupea pallasii)
  • 0305.62Fish, salted but not dried or smoked and fish in brine, other than edible fish offal: Cod (Gadus morhua, Gadus ogac, Gadus macrocephalus)
  • 0305.63Fish, salted but not dried or smoked and fish in brine, other than edible fish offal: Anchovies (Engraulis spp.)
  • 0305.64Fish, salted but not dried or smoked and fish in brine, other than edible fish offal: Tilapias (Oreochromis spp.), catfish (Pangasius spp., Silurus spp., Clarias spp., Ictalurus spp.), carp (Cyprinus spp., Carassius spp., Ctenopharyngodon idellus, Hypophthalmichthys spp., Cirrhinus spp., Mylopharyngodon piceus, Catla catla, Labeo spp., Osteochilus hasselti, Leptobarbus hoeveni, Megalobrama spp.), eels (Anguilla spp.), Nile perch (Lates niloticus) and snakeheads (Channa spp.)
  • 0305.69Fish, salted but not dried or smoked and fish in brine, other than edible fish offal: Other
  • 0305.71Fish fins, heads, tails, maws and other edible fish offal: Shark fins
  • 0305.72Fish fins, heads, tails, maws and other edible fish offal: Fish heads, tails and maws
  • 0305.79Fish fins, heads, tails, maws and other edible fish offal: Other

03.06 Crustaceans, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked crustaceans, whether in shell or not, whether or not cooked before or during the smoking process; crustaceans, in shell, cooked by steaming or by boiling in water, whether or not chilled, frozen, dried, salted or in brine

  • 0306.11Frozen: Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)
  • 0306.12Frozen: Lobsters (Homarus spp.)
  • 0306.14Frozen: Crabs
  • 0306.15Frozen: Norway lobsters (Nephrops norvegicus)
  • 0306.16Frozen: Cold-water shrimps and prawns (Pandalus spp., Crangon crangon)
  • 0306.17Frozen: Other shrimps and prawns
  • 0306.19Frozen: Other
  • 0306.31Live, fresh or chilled: Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)
  • 0306.32Live, fresh or chilled: Lobsters (Homarus spp.)
  • 0306.33Live, fresh or chilled: Crabs
  • 0306.34Live, fresh or chilled: Norway lobsters (Nephrops norvegicus)
  • 0306.35Live, fresh or chilled: Cold-water shrimps and prawns (Pandalus spp., Crangon crangon)
  • 0306.36Live, fresh or chilled: Other shrimps and prawns
  • 0306.39Live, fresh or chilled: Other
  • 0306.91Other: Rock lobster and other sea crawfish (Palinurus spp., Panulirus spp., Jasus spp.)
  • 0306.92Other: Lobsters (Homarus spp.)
  • 0306.93Other: Crabs
  • 0306.94Other: Norway lobsters (Nephrops norvegicus)
  • 0306.95Other: Shrimps and prawns
  • 0306.99Other: Other

03.07 Molluscs, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked molluscs, whether in shell or not, whether or not cooked before or during the smoking process

  • 0307.11Oysters: Live, fresh or chilled
  • 0307.12Oysters: Frozen
  • 0307.19Oysters: Other
  • 0307.21Scallops and other molluscs of the family Pectinidae: Live, fresh or chilled
  • 0307.22Scallops and other molluscs of the family Pectinidae: Frozen
  • 0307.29Scallops and other molluscs of the family Pectinidae: Other
  • 0307.31Mussels (Mytilus spp., Perna spp.): Live, fresh or chilled
  • 0307.32Mussels (Mytilus spp., Perna spp.): Frozen
  • 0307.39Mussels (Mytilus spp., Perna spp.): Other
  • 0307.42Cuttle fish and squid: Live, fresh or chilled
  • 0307.43Cuttle fish and squid: Frozen
  • 0307.49Cuttle fish and squid: Other
  • 0307.51Octopus (Octopus spp.): Live, fresh or chilled

What it doesn’t cover

Chapter 02, before it, covers meat and edible meat offal; chapter 04, after it, covers dairy produce; birds' eggs; natural honey; edible products of animal origin, not elsewhere specified or included.

How it is structured

Chapter 03 is the first level of the Harmonized System. Its headings add two digits to the chapter number (03.01), and each heading's subheadings add two more.

In other countries

National tariff lines under chapter 03 are live on border.bot for the United States (562 lines, also used by 1 other country).

Frequently asked questions

What does HS chapter 03 cover?

HS chapter 03 covers fish and crustaceans, molluscs and other aquatic invertebrates.

How many headings and subheadings are in HS chapter 03?

HS chapter 03 has 9 headings and 225 six-digit subheadings in HS2022.

Which countries’ tariffs list national lines in HS chapter 03?

National tariff lines under chapter 03 are live on border.bot for the United States (562 lines, also used by 1 other country).

Sources and updates

The Harmonized System legal text comes from border.bot release 2 (edition HS 2022), imported from a file, and has been live since 11 October 2026.

This page was last updated on 11 October 2026.

Guidance from published tariff data, not a binding ruling. For a decision customs must follow, apply to the destination’s customs authority for a binding tariff ruling.

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