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HSChapter 03
U.S. imports of clams, cockles, and ark shells, live, fresh, or chilled (HS 030771) totaled $592K in April 2026, traded with 4 countries.
Importers of Clams, Cockles, and Ark Shells, Live, Fresh, or Chilled paid $7K in duties in April 2026 — an effective duty rate of 10% on $73K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataCanada and Mexico are the primary suppliers of live, fresh, and chilled clams to the US, benefiting from geographic proximity and established shellfish aquaculture industries on both coasts. The US tariff schedule makes a commercially significant distinction between geoduck clams (0307710050) — a high-value species exported primarily to Asian markets — and all other live or fresh clams (0307710070), with cockles and ark shells in a separate line (0307710090). Geoduck, harvested mainly from Pacific Northwest waters and British Columbia, commands premium pricing and is subject to strict size and harvest regulations. All shellfish imports are subject to FDA admissibility review and must comply with National Shellfish Sanitation Program (NSSP) requirements; importers should verify that the source country has a current NSSP-equivalent agreement recognized by the US.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
Geoduck (Panopea generosa) is one of the highest-value bivalves in international trade, with most US and Canadian harvest destined for live export to China and other Asian markets. CBP tracks it separately (0307710050) because of its distinct commercial significance, pricing, and trade-flow patterns compared to other clam species. Misclassifying geoduck as 'other clams' under 0307710070 could result in data discrepancies and potential entry issues.
The National Shellfish Sanitation Program (NSSP) is a federal-state cooperative framework that sets sanitation standards for shellfish harvesting and processing. For imports, FDA requires that the source country have a shellfish safety program equivalent to NSSP standards, typically formalized through a memorandum of understanding. Shipments from countries without such an agreement may be refused entry. Importers should confirm their supplier's country is on FDA's list of approved shellfish-exporting nations before contracting for live or fresh clam shipments.
Monthly import values over time
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HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 0307710070 | CLAMS, LIVE, FRESH OR CHILLED, EXCEPT GEODUCK CLAM | $558K | 10.00% | $7K |
| 0307710050 | GEODUCK CLAMS, LIVE, FRESH OR CHILLED | $18K | -- | -- |
| 0307710090 | COCKLES AND ARK SHELLS, LIVE, FRESH OR CHILLED | $16K | -- | -- |
CLAMS, LIVE, FRESH OR CHILLED, EXCEPT GEODUCK CLAM
GEODUCK CLAMS, LIVE, FRESH OR CHILLED
COCKLES AND ARK SHELLS, LIVE, FRESH OR CHILLED
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 0307710050 | GEODUCK CLAMS, LIVE, FRESH OR CHILLED | $8.4M |
| 0307710070 | CLAMS, LIVE, FRESH OR CHILLED, EXCEPT GEODUCK CLAM | $904K |
| 0307710090 | COCKLES AND ARK SHELLS, LIVE, FRESH OR CHILLED | $152K |
GEODUCK CLAMS, LIVE, FRESH OR CHILLED
223.9K kg
CLAMS, LIVE, FRESH OR CHILLED, EXCEPT GEODUCK CLAM
225.1K kg
COCKLES AND ARK SHELLS, LIVE, FRESH OR CHILLED
13.7K kg
SHRIMPS AND PRAWNS, FROZEN, NESOI
HS 030617
PACIFIC, ATLANTIC, DANUBE SALMON FILLET FRESH/CHLL
HS 030441
CRABS, INCLUDING IN SHELL, FROZEN
HS 030614
ATLANTIC SALMON AND DANUBE SALMON FRESH OR CHILLED
HS 030214
PACIFIC, ATLANTIC AND DANUBE SALMON FILLETS FROZEN
HS 030481
FISH FILLETS, FROZEN, NESOI
HS 030489
| State | Imports | Exports | Balance |
|---|---|---|---|
| Washington | $2K | $9.0M | +$9.0M |
| California | $418K | -- | -$418K |
| Alaska | -- | $175K | +$175K |
| Port | Imports | Exports | Balance |
|---|---|---|---|
| SEATTLE-TACOMA INTERNATIONAL AIRPORT, WA | -- | $8.8M | +$8.8M |
| BLAINE, WA | $340K | $252K | -$88K |
| DALLAS-FORT WORTH, TX | -- | $127K | +$127K |