Farmers grow plants and animals on their farms. Is it also possible to have a farm in the sea? People in many countries grow freshwater fish from eggs. They move the small fish into lakes and rivers. The fish live and grow there. People go fishing in these lakes and rivers. They enjoy catching fish. Fish is also good food.
Now Japan grows saltwater fish. Most of them are yellow tail fish. Workers grow the fish from
eggs. Every time they feed the fish, they play tapes of piano music. The fish learn that piano music means food. When the fish are small, the Japanese put them in the ocean near the land. The fish find some of their own food. Workers also feed them. They play the same piano music. The fish already know this music. They swim toward it and find the food. In a few months the fish are large. The Japanese play the same music, the fish swim toward it and the workers catch them.
The Japanese get about 15 percent of their seafood from farms in the ocean.
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