Vietnamese aquaculture products dominated 7pct of market share value and over 8pct in terms of import quantity the US.
Of the aquaculture exports, trout expanded sharply 88pct in value, however, shrimp export declined 14pct against 2011 as shrimp reserve in the US surged in the second half.
Tuna shipment fell 6pct in quantity but picked up 26pct in value. Meanwhile, export of tra fish increased by 17pct.
China, Canada, Thailand, Indonesia are the top aquaculture exporters to the US with respective percentages of 16pct, 12.3pct, 7pct and 5.5pct.