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Mariculture is the cultivation of marine organisms in their natural environment. By definition, mariculture is a specialized branch of aquaculture.

The Japanese has developed a clever process for free ranching marine fishes. The principle is based on behavioral conditioning and the migratory nature of certain species of marine fishes. The fishermen first raise fish hatchlings in a closely knitted net in a harbor. They sound a underwater honk before each feeding. When the young fishes are old enough, the fishes are freed from the net. The fishes grow up in the open sea. During spawning season, these fishes return to their birthplace. The fishermen harvest the fishes by sounding the honk and then raise the net.

Mariculture should not be limited to food production only. Cultured pearl should be considered a product of mariculture.

Are seaweed grown as a mariculture process? I am no expert in this topic. Someone please correct any error.

See also: agriculture, food