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HSChapter 03
U.S. imports of fish heads, tails, and maws — smoked, dried, salted, or in brine (HS 030572) totaled $271K in July 2026, traded with 12 countries.
Importers of Fish Heads, Tails, and Maws — Smoked, Dried, Salted, or in Brine paid $21K in duties in July 2026 — an effective duty rate of 34% on $60K in dutiable value, based on actual customs collections rather than the published tariff schedule. Fish Heads, Tails, and Maws — Smoked, Dried, Salted, or in Brine imports of $271K in July 2026 ran 106% above the year-to-date monthly average of $131K.
Last updated: July 2026 dataFish heads, tails, and swim bladders (maws) preserved by smoking, drying, salting, or brining are consolidated under a single US tariff line (0305720000) and represent a commercially distinct trade stream driven largely by demand in Asian and Latin American culinary markets. Vietnam and China are the leading suppliers, with Mexico, Hong Kong, and Colombia also contributing. USDA FSIS admissibility requirements apply, and importers should note that fish maws — particularly dried swim bladders — can command significant value as a specialty ingredient, making accurate valuation and species documentation important at entry. Classification here requires that the product consists of these specific anatomical parts rather than fillets or whole fish.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
4 shipments/mo
Dried swim bladders of fish classify here under 0305.72 when they are in the form of the raw preserved anatomical part. However, if swim bladders have been further processed into extracts, powders, or preparations, they may shift to Chapter 16 or Chapter 21. The product's physical form and degree of processing at the time of import determine the correct heading.
Premium dried fish maws — particularly from large species — can carry very high per-kilogram values, making transaction value documentation critical. CBP may scrutinize declared values against market benchmarks. Importers should retain purchase invoices, species identification records, and any grading certificates to support the declared customs value and avoid valuation disputes at entry.
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ImportsExports
Imports
$271KYoY · Pro
Exports
$7KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share | Duty Collected |
|---|---|---|---|---|---|
| 0305720000 | Fish Heads, Tails and Maws | $271K | 7.57% | 22.27% | $21K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 0305720000 | Fish Heads, Tails and Maws | $7K |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
Imports · July 2026
origin
Tanzania and China together supply 99% of it.
customs district
destination
entry
rate provision · imports
77.7% enters free of duty; the effective duty rate is 7.57%.