Anti-tariff substitution
Indian and Vietnamese pond shrimp face a ~58% effective US duty stack from August 2026 onward. The accelerates the squeeze. Canadian-origin product under pays zero tariff into the US, and the displaced Asian volume is being rerouted into Canadian ports — tightening certification and traceability scrutiny on the buyer side.
per module-07 §6.1 + S&P Global Commodity Insights · SeafoodSource