Frozen Tridacna Clams
Giant tridacna clams (Tridacnidae family) frozen for food, classified under HTS 0307.79.0155 as other clams despite large size. Rare import for specialty cuisine.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If not food-grade giant clams
Statistical catch-all for oversized or non-standard clams.
If shells only, worked
Empty shells for craft become worked shell products.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.
Import Tips & Compliance
• CITES Appendix II permits required for Tridacnidae to prevent endangered species violations
• Declare shell weight separately if applicable for ad valorem calculations
• Source from aquaculture to avoid wild harvest bans
Related Products under HTS 0307.79.01.55
Frozen Littleneck Clams
Littleneck clams (Ruditapes philippinarum) are small hard-shell clams frozen whole, classified under HTS 0307.79.0155 as other clams not specifically enumerated in prior subheadings. They belong to the Veneridae family and are imported in frozen form for food use.
Chilled Softshell Clams
Softshell clams (Mya arenaria) are chilled live or fresh, falling under HTS 0307.79.0155 as other clams from the Myidae family. This code covers non-specific clams in shell, whether live, fresh, or chilled.
Frozen Quahog Clams
Quahog clams (Mercenaria mercenaria) from the Veneridae family, frozen in shell, are classified as other clams under HTS 0307.79.0155. This subheading captures common North Atlantic clams not listed elsewhere.
Fresh Razor Clams
Fresh razor clams (Ensis spp.) from Solenidae family, live or chilled, qualify as other clams under HTS 0307.79.0155 when not fitting specific statistical breaks. They are elongated molluscs harvested for culinary use.
Dried Cockles
Cockles (Cerastoderma spp., Cardiidae family) dried in shell are other clams under HTS 0307.79.0155, as cockles are taxonomically grouped with clams in this hierarchy. Used in soups after rehydration.
Frozen Ark Shells
Ark shells (Anadara spp., Arcidae family) frozen whole fall under HTS 0307.79.0155 as other clams/cockles/ark shells not specified elsewhere. Popular in Asian seafood markets.