U.S. imports of Prepared or Preserved Mackerel (Whole or in Pieces, Not Minced) (SITC 03714) totaled $6.5M in August 2026, imported from 33 countries.
Importers of Prepared or Preserved Mackerel (Whole or in Pieces, Not Minced) paid $865K in duties in August 2026, an average duty rate of 13.35% — duty actually collected as a share of the imports that cleared customs, not the published tariff schedule. Prepared or Preserved Mackerel (Whole or in Pieces, Not Minced) imports of $6.5M in August 2026 ran 21% above the year-to-date monthly average of $5.4M.
Last updated: August 2026 dataMackerel prepared or preserved in oil, brine, or sauce occupies a distinct niche in the shelf-stable seafood trade, valued for its high omega-3 content and relatively low cost compared to tuna. Atlantic mackerel (Scomber scombrus) and Pacific/chub mackerel (Scomber japonicus) are the principal commercial species, and species identification on entry documents is important for accurate classification. FDA seafood HACCP requirements and prior notice obligations govern all imported preserved fish products. Histamine control is a particular food-safety concern for mackerel given its classification as a scombroid fish, and FDA may intensify sampling for shipments with temperature-control gaps.
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213 import shipments a month
Mackerel is a scombroid fish with naturally high levels of free histidine, which bacteria convert to histamine if the fish is not kept adequately chilled after catch. FDA sets action levels for histamine in fish, and shipments found out of compliance can be detained or refused. Importers should request time-temperature records and HACCP documentation from suppliers.
Both Atlantic and Pacific mackerel fall within SITC 03714, but at the HTS level the two species may map to different 10-digit tariff lines with different duty rates. Confirming the species on commercial invoices and packing lists helps ensure the correct HTS subheading is declared at entry.
Basic heading 183 of 337 in section 0
Basic heading 03714 · $6.5M of $14.7B
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Imports
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Exports
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12-mo low · imports
Low · free accountOver the twelve months to August 2026, the U.S. imported $62.3M of Prepared or Preserved Mackerel (Whole or in Pieces, Not Minced) and exported $98K.
Through August 2026 · exports 11 of 12 months reported. Source: U.S. Census Bureau.
Imports · August 2026
origin
Thailand and Poland together supply 60% of it. China pays 40.5% duty; Poland 9.0%.
customs district
Census does not publish district detail for this classification system.
destination
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.