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HSChapter 16
U.S. imports of prepared or preserved clams, cockles & arkshells (HS 160556) totaled $2.7M in April 2026, traded with 13 countries.
Importers of Prepared or Preserved Clams, Cockles & Arkshells paid $433K in duties in April 2026 — an effective duty rate of 16% on $2.7M in dutiable value, based on actual customs collections rather than the published tariff schedule. Prepared or Preserved Clams, Cockles & Arkshells imports of $2.7M in April 2026 ran 22% above the year-to-date monthly average of $2.2M.
Last updated: April 2026 dataVietnam and China together account for the bulk of US imports of prepared and preserved clams, cockles, and arkshells, reflecting the large-scale aquaculture and processing capacity in Southeast and East Asia. The US tariff schedule is notably granular for this heading: razor clams in airtight containers (1605561000), whole or chopped boiled clams not over 680 grams gross weight (1605561500), and clams in airtight containers not elsewhere specified (1605562000) each carry their own 10-digit lines, making precise product specification essential for correct classification. Cockles and arkshells are classified separately from clams throughout the schedule. FDA prior notice and seafood HACCP compliance are mandatory for all entries; consult a licensed customs broker or FDA to confirm admissibility requirements for specific product forms.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
The US schedule distinguishes razor clams in airtight containers, clams boiled whole or chopped and salted in packages not over 680 grams gross weight, and clams in airtight containers generally — each at a separate 10-digit line. Getting the container type, processing method, and package weight wrong can result in misclassification, so importers should confirm these specifications with their supplier before filing entry.
No. While all three fall under HS6 heading 160556, cockles and arkshells are separated from clams at the 10-digit level (1605560090 and 1605566000), and composite products containing fish meat or prepared meals have their own line (1605560500). Accurate species and product-form identification is necessary to select the correct tariff line.
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Monthly import values over time
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 1605562000 | CLAMS IN AIRTIGHT CONTAINERS, NESOI | $1.2M | 19.08% | $212K |
| 1605563000 | CLAMS, PREPARED OR PRESERVED, NESOI | $827K | 12.08% | $100K |
| 1605561500 | CLAMS BOILED WHOLE/CHOPPED/SALTED NOV 680GRAMS GW | $411K | 20.00% | $82K |
| 1605566000 | COCKLES & ARKSHELLS, PREPARED OR PRESERVED, NESOI | $142K | 10.00% | $14K |
| 1605561000 | RAZOR CLAMS IN AIRTIGHT CONTAINERS | $116K | 14.12% | $16K |
| 1605560500 | CLAM, COCKLE,ETC,PRODUCTS W/ FISH MEAT; PREP MEALS | $77K | 10.00% | $8K |
CLAMS IN AIRTIGHT CONTAINERS, NESOI
CLAMS, PREPARED OR PRESERVED, NESOI
CLAMS BOILED WHOLE/CHOPPED/SALTED NOV 680GRAMS GW
COCKLES & ARKSHELLS, PREPARED OR PRESERVED, NESOI
RAZOR CLAMS IN AIRTIGHT CONTAINERS
CLAM, COCKLE,ETC,PRODUCTS W/ FISH MEAT; PREP MEALS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 1605560010 | CLAMS, PREPARED OR PRESERVED | $274K |
| 1605560090 | COCKLES AND ARKSHELLS, PREPARED OR PRESERVED | $4K |
CLAMS, PREPARED OR PRESERVED
71.2K kg
COCKLES AND ARKSHELLS, PREPARED OR PRESERVED
590 kg
TUNAS, SKIPJACK TUNA AND BONITO, PREP OR PRESERVED
HS 160414
SHRIMP & PRAWNS PREP/PRESERVED NOT AIRTIGHT CONTNR
HS 160521
PREPARED OR PRESERVED BOVINE MEAT ETC. NESOI
HS 160250
CRAB, PREPARED OR PRESERVED
HS 160510
PREPARED OR PRESERVED CHICKEN MEAT OR OFFAL, NESOI
HS 160232
SALMON, PREPARED OR PRESERVED, WHOLE OR PIECES
HS 160411
| State | Imports | Exports | Balance |
|---|---|---|---|
| California | $1.3M | $30K | -$1.2M |
| New Jersey | $451K | -- | -$451K |
| Georgia | $194K | -- | -$194K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| LOS ANGELES, CA | $990K | -- | -$990K |
| NEWARK, NJ | $417K | -- | -$417K |
| SAVANNAH, GA | $329K | -- | -$329K |