HS Chapter 3 — Fish and crustaceans
Harmonized System classification guide · last updated 2026-10-14
HS Chapter
Chapter number
Section
Section name
Typical duty
By subheading & market
HS headings
4-digit headings
What Chapter 3 covers
Fish, crustaceans, molluscs and other aquatic invertebrates, fresh, chilled, frozen, dried or smoked.
Common HS headings in Chapter 3
- 301 Fish, live
- 306 Crustaceans
- 307 Molluscs
Classification notes
Species and presentation (live, fresh, filleted) determine classification; prepared fish moves to Ch.16.
Frequently asked questions about HS Chapter 3
What Chapter 3 covers
Fish, crustaceans, molluscs and other aquatic invertebrates, fresh, chilled, frozen, dried or smoked.
Which products are classified under HS Chapter 3?
Common HS headings in Chapter 3 include: 301 Fish, live; 306 Crustaceans; 307 Molluscs.
How do I find the import duty for HS Chapter 3 goods?
Determine the precise 6-digit HS subheading for your product, then check the MFN rate and any preferential rate for your destination market (e.g., China, the United States, the EU). 169e’s country tariff pages list rates per HS chapter.
What should I watch for when classifying HS Chapter 3 products?
Species and presentation (live, fresh, filleted) determine classification; prepared fish moves to Ch.16.