Brazil's seafood industry is in a state of flux, a knife standing on its edge, which could fall to either side at a moment's notice, according to one industry expert.

As the country's seafood consumption rises, domestic producers are finding it increasingly difficult to grow enough to meet demand, often cutting corners and overstocking ponds.

Of the roughly 500,000 metric tons of seafood farmed annually, the 300,000 metric tons of tilapia and 90,000 metric tons of shrimp harvested are nearly all consumed domestically and both require marine resources to achieve optimal growth rates -- a problem in Brazil, where very little fishmeal is produced.

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