Chapter 03: Fish and crustaceans, molluscs and other aquatic invertebrates

HTS heading 0307: Molluscs, whether in shell or not, live, fresh, chilled, frozen, dried, salted or in brine; smoked molluscs, whether in shell or not, wheth…

67 numbered lines under heading 0307, including 54 10-digit statistical lines. The first six digits are the international HS subheading; the general column is the normal US duty rate.

HTS heading 0307
HTS codeDescriptionUnitGeneralSpecialColumn 2
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:
Oysters:
0307.11.00Live, fresh or chilledFreeFree
0307.11.00.20Seed oystersliters, kg
Other:
0307.11.00.60Farmedkg
0307.11.00.80Otherkg
0307.12.00FrozenFreeFree
0307.12.00.60Farmedkg
0307.12.00.80Otherkg
0307.19.01OtherFreeFree
0307.19.01.60Farmedkg
0307.19.01.80Otherkg
Scallops and other molluscs of the family Pectinidae:
0307.21.00.00Live, fresh or chilledkgFreeFree
0307.22.00.00FrozenkgFreeFree
0307.29.01.00OtherkgFreeFree
Mussels (Mytilus spp., Perna spp.):
0307.31.00Live, fresh or chilledFreeFree
0307.31.00.10Farmedkg
0307.31.00.90Otherkg
0307.32.00.00FrozenkgFreeFree
0307.39.01.00OtherkgFreeFree
Cuttle fish and squid:
0307.42.00Live, fresh or chilledFreeFree
Squid:
0307.42.00.20Loligokg
0307.42.00.40Otherkg
0307.42.00.60Otherkg
0307.43.00FrozenFreeFree
Squid:
0307.43.00.10Filletskg
Other:
Loligo:
0307.43.00.22Loligo opalescenskg
0307.43.00.24Loligo pealeikg
0307.43.00.29Otherkg
0307.43.00.50Otherkg
0307.43.00.60Otherkg
0307.49.01OtherFreeFree
Squid:
Loligo:
0307.49.01.22Loligo opalescenskg
0307.49.01.24Loligo pealeikg
0307.49.01.29Otherkg
0307.49.01.50Otherkg
0307.49.01.60Otherkg
Octopus (Octopus spp.):
0307.51.00.00Live, fresh or chilledkgFreeFree
0307.52.00.00FrozenkgFreeFree
0307.59.01.00OtherkgFreeFree
0307.60.00.00Snails, other than sea snailskg5%Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)20%
Clams, cockles and ark shells (families Arcidae, Arcticidae, Cardiidae, Donacidae, Hiatellidae, Mactridae, Mesodesmatidae, Myidae, Semelidae, Solecurtidae, Solenidae, Tridacnidae and Veneridae):
0307.71.00Live, fresh or chilledFreeFree
Clams:
0307.71.00.50Geoduckkg
0307.71.00.70Otherkg
0307.71.00.90Otherkg
0307.72.00FrozenFreeFree
Clams:
0307.72.00.30Geoduckkg
0307.72.00.51Stimsonʼskg
0307.72.00.55Otherkg
0307.72.00.60Otherkg
0307.79.01OtherFreeFree
Clams:
0307.79.01.30Geoduckkg
0307.79.01.51Stimsonʼskg
0307.79.01.55Otherkg
0307.79.01.60Otherkg
Abalone (Haliotis spp.) and stromboid conchs (Strombus spp.):
0307.81.00.00Live, fresh or chilled abalone (Haliotis spp.)kgFreeFree
0307.82.00.00Live, fresh or chilled stromboid conchs (Strombus spp.)kgFreeFree
0307.83.00.00Frozen abalone (Haliotis spp.)kgFreeFree
0307.84.00.00Frozen stromboid conchs (Strombus spp.)kgFreeFree
0307.87.00.00Other abalone (Haliotis spp.)kgFreeFree
0307.88.00.00Other stromboid conchs (Strombus spp.)kgFreeFree
Other:
0307.91.03Live, fresh or chilledFreeFree
0307.91.03.30Conchkg
0307.91.03.90Otherkg
0307.92.01FrozenFreeFree
0307.92.01.30Conchkg
0307.92.01.90Otherkg
0307.99.03.00OtherkgFreeFree

Statistical (10-digit) lines without a rate use the rate of the 8-digit line above them. Additional duties such as Section 301 and Section 232 may apply; check them with the tariff checker.

Source: Harmonized Tariff Schedule of the United States, 2026 HTS Revision 20 (effective 2026-09-28), U.S. International Trade Commission (hts.usitc.gov), imported 2026-10-07. Reference only; not legal or customs advice or a binding classification. Additional duties under Chapter 99 may apply. ShipWave is not affiliated with the USITC or U.S. Customs and Border Protection.