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The fishing industry is the second most profitable after agricultural industries in coastal areas especially. Fishes are caught in bulk and the rare ones, though protected are still caught illegally as delicacies. Fishes like salmon and sardines are used for food and their breeding capability is quite high which is gradually reducing due to presence of toxic substances in water. But unfortunately due to bycatch problems, even non-edible fishes are caught which are killed by fishermen. Pollution is another major factor. Overfishing should be controlled though that will take sometime as the government has to feed large masses. But nowadays, fishermen do not want to work under government-run fisheries as it is not very profitable for them. They use their own fishing boats which accounts for the fastest reduction of fish populations all over the world.

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