In a fishery with a large, unproductive stock that grows slowly, fishermen may prefer short-term profit to the promise of low long-term income and catch all the fish straight away.

ECONOMIST: Fishing and conservation

They didn't grow lettuce or butcher meat or catch fish, but they all knew whom to turn to for the best ingredients, Mr. Colombo said.

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Almost a quarter of all catches go back overboard dead because they are not the fish the crews intended to catch.

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