Looking for the right HTS code for your product?
Chapter 3Fish and crustaceans, molluscs and other aquatic invertebratesUS Harmonized Tariff Schedule
U.S. Import Duty, Tariffs, and Classification Details for Chapter 3
Fish and crustaceans, molluscs and other aquatic invertebrates, classified under Section I (Live Animals; Animal Products) in the Harmonized Tariff Schedule — covering 9 headings.
HTS Headings in Chapter 3
90301Live fish:
0302Fish, fresh or chilled, excluding fish fillets and other fish meat of heading 0304:
0303Fish, frozen, excluding fish fillets and other fish meat of heading 0304:
0304Fish fillets and other fish meat (whether or not minced), fresh, chilled or frozen:
0305Fish, dried, salted or in brine; smoked fish, whether or not cooked before or during the smoking process:
0306Crustaceans, 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:
0307Molluscs, 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:
0308Aquatic invertebrates other than crustaceans and molluscs, live, fresh, chilled, frozen, dried, salted or in brine; smoked aquatic invertebrates other than crustaceans and molluscs, whether or not cooked before or during the smoking process:
0309Flours, meals and pellets of fish, crustaceans, molluscs and other aquatic invertebrates, fit for human consumption:

FreePlaybook + 7 Bonuses
The Audit-Ready Classifications Playbook
Learn how to create HTS classifications that reduce import risk and defend profits — faster than ever.
What's inside
- Step-by-step classification methodology
- Audit defense strategies & documentation templates
- Common classification mistakes to avoid
- GRI application guide with real examples
- 7 FREE tools and templates to boost your classifications
Tools for Importers & Brokers Working with HTS Chapter 3 Codes
Everything you need to classify, calculate duties, and stay compliant.
Classification Assistant
Produce audit-ready classifications in minutes — AI-powered candidate discovery, Legal Note & GRI analysis, CROSS validation, and one-click professional reports.
Classify a Product NowDuty & Tariff Calculator
See the full import cost breakdown for any HTS code from any country — base duties, Section 122, 232, and 301 tariffs, exemptions, and trade programs.
Calculate Duty Rates