Frozen Blackback Flounder from United States
Frozen blackback flounder (Scophthalmus aquosus) is a small flatfish species from the Scophthalmidae family, frozen in retail-ready portions. It falls under tariff item 0303.39.00 as 'other' frozen flatfish, not being offal or processed into pellets. The product is not a fillet, so it remains within heading 03.03.
Duty Rate — United States → Canada
25%
Rate breakdown
26SUR2525%United States Surtax Order (2026) — 25% on US products
Import Tips
• Confirm the species is Scophthalmus aquosus and not a mammal or other excluded product per chapter note 1
• Ensure the product is frozen and not fresh, as fresh fish falls under different headings
• Provide species and freezing documentation to the CBSA for smooth clearance