Raw fish dishes come in all kinds of styles, from the citrus-cured ceviche of Peru to Italy's simple but elegant crudo. Some are enhanced with bold spices and marinades, while others are served as ...

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"The combination of raw fish and spice, as in katsuo and wasabi, is an art, and we must maintain both," said Ukeda. "I never want to think about a future" without them, he added.

Ceviche is a seafood dish made with raw fish or shellfish, spices, and lime or lemon juice. The seafood is marinated in the juice for 10 to 30 minutes, or sometimes up to 24 hours, then served raw.