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HTS Code: 1604 — Prepared or Preserved Fish; Caviar and Caviar Substitutes

This code covers a wide range of prepared or preserved fish products, including various species packaged in oil, sauces, or airtight containers, as well as caviar and caviar substitutes.

December 9, 2025
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HTS US: 1604.XX.XXXX

Description

Heading 1604 encompasses prepared or preserved fish products, including a variety of species such as salmon, herrings, sardines, tunas, mackerel, anchovies, eels, shark fins, and other fish. It also includes caviar and caviar substitutes made from fish eggs. The products are typically packed in oil, tomato sauce, or airtight containers, and are presented in various forms such as smoked, cooked, or otherwise prepared. Packaging sizes and container types are important factors in classification.

Code Hierarchy

  • Section I:
  • Live Animals; Animal Products (Chapters 01-05)
  • Chapter 16: Preparations of Meat, Fish or Crustaceans, Molluscs or Other Aquatic Invertebrates
  • Heading 1604: Prepared or preserved fish; caviar and caviar substitutes prepared from fish eggs.
  • US HTS Code (10-digit): 1604.XX.XXXX – The final digits specify the species, preparation method, packaging, and container weight.

Detailed Breakdown of Subheadings

The HTS code 1604 is divided into specific 4-digit, 6-digit, and 10-digit subheadings based on fish species, type of preparation, packaging, and container size. The following table shows a comprehensive classification with descriptions and examples.

HTS Code Description Examples & Notes
1604.11 Salmon Various preparations and packaging of salmon products.
1604.11.20 In oil, in airtight containers Salmon packed in oil and sealed to preserve freshness.
1604.11.20.20 Pink (humpie) Specific to pink salmon variety packed in oil.
1604.11.20.30 Sockeye Sockeye salmon preserved in oil.
1604.11.20.90 Other Other salmon types or blends in oil.
1604.11.40 Other Salmon preparations not in oil or different packaging.
1604.11.40.10 Chum (dog) Chum salmon, also known as dog salmon.
1604.11.40.20 Pink (humpie) Pink salmon in other forms than oil-packed.
1604.11.40.30 Sockeye Sockeye salmon in other packaging.
1604.11.40.40 Other Other salmon varieties.
1604.11.40.50 Other Additional unspecified salmon preparations.
1604.12 Herrings Including smoked, in oil, tomato sauce, and bulk packaging.
1604.12.20.00 In oil, in airtight containers Herrings preserved in oil and sealed airtight.
1604.12.40.00 In tomato sauce, smoked or kippered, and in immediate containers weighing with their contents over 0.45 kg each Larger containers with tomato sauce or smoked herrings.
1604.12.60 Other Other herring preparations.
1604.12.60.10 Fillets Herring fillets.
1604.12.60.30 Other Other herring forms.
1604.12.60.50 Kipper snacks Small smoked herring snacks.
1604.12.60.90 Other Additional herring preparations not specified.
1604.13 Sardines, sardinella and brisling or sprats Includes smoked, skinned, boned, and various container sizes.
1604.13.10.00 Smoked sardines, neither skinned nor boned, valued $1 or more per kg in tin-plate containers, or $1.10 or more per kg in other containers Higher valued smoked sardines in tin or other containers.
1604.13.20.00 Neither skinned nor boned Whole sardines without skin or bone removal.
1604.13.30.00 Skinned or boned Processed sardines with skin and/or bones removed.
1604.13.40.00 In immediate containers weighing with their contents under 225 grams each Smaller packaging for sardines and related fish.
1604.13.90.00 Other Other sardine preparations.
1604.14 Tunas, skipjack tuna and bonito (Sarda spp.) Varied preparations including oil-packed, bulk, and special quantity restrictions.
1604.14.10 In oil Tuna packed in oil.
1604.14.10.10 In foil or other flexible containers weighing with their contents not more than 6.8 kg each Smaller flexible container packaging.
1604.14.10.91 Albacore Albacore tuna varieties.
1604.14.10.99 Other Other types packed in oil.
1604.14.22 In containers weighing with their contents not over 7 kg each, and not the product of any insular possession of the United States, for an aggregate quantity entered in any calendar year not to exceed 4.8 percent of apparent United States consumption of tuna in airtight containers during the immediately preceding year, as reported by the National Marine Fisheries Service Special regulatory subheading limiting quantities.
1604.14.22.51 In foil or other flexible containers weighing with their contents not more than 6.8 kg each Flexible container packaging under quota.
1604.14.22.59 Other Other tuna types under quota.
1604.14.22.91 In foil or other flexible containers weighing with their contents not more than 6.8 kg each Additional packaging type under quota.
1604.14.22.99 Other Other tuna preparations under quota.
1604.14.30 Other Other tuna preparations not in oil.
1604.14.30.51 In foil or other flexible containers weighing with their contents not more than 6.8 kg each Flexible packaging of other tuna forms.
1604.14.30.59 Other Other packaging forms.
1604.14.30.91 In foil or other flexible containers weighing with their contents not more than 6.8 kg each Additional flexible container packaging.
1604.14.30.99 Other Other tuna preparations.
1604.14.40.00 In bulk or in immediate containers weighing with their contents over 6.8 kg each, not in oil Large bulk containers without oil.
1604.14.50.00 Other Other tuna preparations.
1604.14.70.00 In oil Other tuna in oil preparations.
1604.14.80.00 Not in oil Other tuna not packed in oil.
1604.15.00.00 Mackerel Prepared or preserved mackerel products.
1604.16 Anchovies Anchovies in oil, containers up to 6.8 kg, and other forms.
1604.16.20.00 In oil, in airtight containers Anchovies preserved in oil and sealed.
1604.16.40.00 In immediate containers weighing with their contents 6.8 kg or less each Smaller container packaging.
1604.16.60.00 Other Other anchovy preparations.
1604.17 Eels Various packaging including airtight containers, cooked, in oil, bulk, and other forms.
1604.17.10.00 In airtight containers Eels sealed airtight.
1604.17.40.00 Neither cooked nor in oil Raw or differently prepared eels.
1604.17.50.00 Other Miscellaneous eel products.
1604.17.60.00 In oil and in bulk or in immediate containers over 7 kg each Large containers with eel in oil.
1604.17.80.00 Other Other eel preparations.
1604.18 Shark fins Prepared shark fins in airtight containers or other forms.
1604.18.10.00 In airtight containers Shark fins sealed airtight.
1604.18.90.00 Other Other shark fin products.
1604.19 Other (including yellowtail) Includes bonito, yellowtail, pollock in various preparations and packaging.
1604.19.10.00 Bonito, yellowtail and pollock General preparations of these species.
1604.19.22.00 Other Other forms of these fish.
1604.19.25.00 Bonito, yellowtail and pollock Additional preparations.
1604.19.32.00 Other Other unspecified preparations.
1604.19.41.00 Neither cooked nor in oil Raw or alternate preparations.
1604.19.51.00 Other Miscellaneous products.
1604.19.61.00 In oil and in bulk or in immediate containers weighing with their contents over 7 kg each Large containers with these fish in oil.
1604.19.82.00 Other Other preparations.
1604.20 Other prepared or preserved fish Includes products containing crustacean or mollusc meat, pastes, prepared meals, and other forms.
1604.20.05 Products containing meat of crustaceans, molluscs or other aquatic invertebrates; prepared meals Mixed seafood meals and preparations.
1604.20.05.10 Prepared meals Ready-to-eat seafood meals.
1604.20.05.90 Other Other mixed seafood products.
1604.20.10.00 Pastes Fish pastes for culinary use.
1604.20.15.00 In oil Pastelike preparations in oil.
1604.20.20.00 In airtight containers Sealed pastes and other products.
1604.20.25.00 Other Other preserved fish products.
1604.20.30.00 Other Miscellaneous preserved fish.
1604.20.40.00 Neither cooked nor in oil Raw or differently preserved fish.
1604.20.50 Other Various other prepared fish products.
1604.20.50.10 Pre-cooked and frozen Frozen seafood products.
1604.20.50.90 Other Other frozen preparations.
1604.20.60 Other Additional prepared products.
1604.20.60.10 Pre-cooked and frozen Frozen seafood other than 1604.20.50.10.
1604.20.60.90 Other Other frozen varieties.
1604.31.00.00 Caviar Fish eggs prepared as caviar.
1604.32 Caviar substitutes Includes boiled and other preserved substitutes.
1604.32.30.00 Boiled and in airtight containers Processed caviar substitutes.
1604.32.40.00 Other Other caviar substitute products.

What is NOT Classified Here?

To ensure correct classification, note the following exclusions:

  • Fresh, chilled, or frozen fish meat is classified under Chapter 03.
  • Salted, dried, smoked, or otherwise preserved fish not prepared as described here may fall under other headings.
  • Crustaceans, molluscs or other aquatic invertebrates are generally classified in Chapter 16 but under different codes than 1604.

Notes

  • Packaging and preservation methods are critical for accurate classification within this heading.
  • Quota and import restrictions may apply to certain tuna products as regulated by the National Marine Fisheries Service.
  • Labeling requirements for caviar and substitutes are strictly monitored due to product value.

Declaration Example

Product: A shipment of pink (humpie) salmon packed in oil in airtight containers.US HTS Code: 1604.11.20.20 (Pink salmon in oil, airtight containers)

Unit of Quantity: Kilogram (kg)

General Duty Rate: Check current USHTS (Rates vary based on product and packaging)

Additional Requirements: Compliance with FDA and USDA import regulations.

Related HTS Codes

  • HTS 0303: Fish, frozen, excluding fillets and other fish meat.
  • HTS 1602: Other prepared or preserved meat, including pork and poultry.
  • HTS 1605: Crustaceans, molluscs and other aquatic invertebrates, prepared or preserved.
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