Four Fish: The Future of the Last Wild Food is a 2010 nonfiction book by author Paul Greenberg.

This work explores the state of commercial fishing and aquaculture.

Greenberg frames his observations by commenting on the status of four specific fish: cod, salmon, bass, and tuna.

Choosing four fish was a decision influenced by author Michael Pollan's selection of four plants in his book, The Botany of Desire.

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