farmed fish farmed fish

Forage fish like these at a Chilean processing plant are often used for fish meal used in aquaculture. But critics consider this inefficient and wasteful and worry it could deplete fish populations. Now several companies are developing protein substitutes to replace fish meal. Julio Etchart/ullstein bild via Getty Images hide caption

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Julio Etchart/ullstein bild via Getty Images

Aboard the fishing vessel Marathon, Nicholas Cooke (left) and Nathan Cultee unload 16 farm-raised Atlantic salmon into a container in Bellingham, Wash. Megan Farmer/KUOW hide caption

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Megan Farmer/KUOW

Salmon Fisher: Spill Is Dangerous And 'We Shouldn't Have To Deal With It'

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Washington has eight Atlantic salmon net pens. There are two types: commercial net pens for raising Atlantic salmon and enhancement net pens for wild salmon that will eventually be released. Robert F. Bukaty/AP hide caption

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Robert F. Bukaty/AP

Sturgeon fisherman Bill Ford has filled Ceapa's boat, "Sturgeon Queen," with his morning's catch: a few gillnets full of wild, six- to eight-foot long Atlantic sturgeon from the St. John River. Courtesy of Cornel Ceapa hide caption

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Courtesy of Cornel Ceapa

An Atlantic salmon leaps while swimming inside a farm pen near Eastport, Maine. Studies show farm-raised fish, like people, benefit from exercise. Robert F. Bukaty/AP hide caption

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Robert F. Bukaty/AP

From An Israeli Kibbutz, A High-Priced Caviar Prized By Top Chefs

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