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Japanese Aquaculture Hamachi and Tai Cultivation

‹ Ingredients And Procurement

I

Origin

Japan — Kagawa Prefecture (Seto Inland Sea), hamachi aquaculture since 1927; Ehime Prefecture madai since 1960s

II

Description

Japan pioneered modern marine aquaculture in the 1930s with yellowtail (hamachi/buri) farming in Kagawa Prefecture, using natural sea cages in protected bays. Today Japan produces over 60% of its consumed fish through aquaculture, including the beloved hamachi (juvenile yellowtail), madai sea bream (cultured since the 1960s), oysters, scallops, and pearls (though pearl aquaculture is primarily ornamental). The distinction between wild and farmed versions of these fish creates significant culinary differences — cultured hamachi is fatter, more consistent in size and quality, and available year-round; wild buri (adult yellowtail) caught in winter has different texture and flavour compounds developed through active migration.

III

The Thread

—Both Japanese hamachi and Norwegian salmon aquaculture prioritised fat content development through feed engineering, producing products optimised for raw fish consumption Norwegian
—Madai cultivation parallels Mediterranean sea bream farming in methodology — sea cage rearing, feed optimisation, and controlled water temperature management Mediterranean
IV

Flavour Context

Farmed hamachi: rich, buttery, high fat, consistent; wild buri: firmer, more complex, seasonal winter character with mineral depth

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