Sushiro sushi operator to begin farming sea urchins on land

4 locations in Japan to produce delicacy popular with foreign tourists

20250607N sea urchin sushiro

Sushiro served uni farmed on land at Expo 2025 in Osaka. (Photo by Hiromasa Matsuura)

KENTA ANDO and ARISA MIZUKAMI

OSAKA -- The company behind Sushiro, Japan's largest conveyor belt sushi chain, will partner with a Japanese startup to farm sea urchins on land, Nikkei has learned.

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