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They are found in both salt and fresh waters, fish can be gentle enough to keep or dangerous enough to avoid. Most of the fish we eat are cultivated and farmed in controlled environments.
Picture: Sea farmed fish, Credit: Getty Images
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Amazing Animals—91热爆 World Service Archive
Exploring some of the world's wildlife and how they interact with humans.
91热爆 World Service Archive
This programme was restored as part of the World Service archive project