Dried Fish Hierarchy: Himono, Kusaya, and the Culture of Preserved Seafood

Japan (national tradition; Izu Islands for kusaya; coastal regions nationally for himono)

Japan's tradition of dried and preserved fish — himono, dried-fish preparations for everyday cooking and celebration — encompasses one of the country's most nuanced ingredient categories: from the delicate, elegant dried horse mackerel (aji no himono) that is a staple breakfast food to the legendary kusaya of the Izu Islands, whose fermented brine produces an aggressively pungent dried fish that divides even devoted Japanese food culture into passionate advocates and determined avoiders. Himono (literally 'dry thing') encompasses any fish that has been salted and dried, either in the sun or in temperature-controlled drying facilities. The quality spectrum is wide: cheap himono uses heavy salt and rapid drying, producing a tough, over-salted product; premium himono uses minimal salt, slow drying in cool coastal breezes, and prime seasonal fish at peak condition. The most prized is aji no himono (dried horse mackerel) from the Izu Peninsula: the fish are opened butterfly-style, lightly salted with sea salt, and dried for 12–18 hours in the sea breeze, preserving the natural sweetness while concentrating the flavour. Kusaya occupies the extreme end: the fish (typically horse mackerel or flying fish) is soaked in kusaya-jiru, an ancient fermented brine that has been maintained continuously by island producers for centuries (the same principle as a living tare), then dried — the resulting smell is notoriously powerful but the flavour is deep, complex, and revered by those who appreciate extreme fermented foods.

Premium himono: concentrated, sweet-savoury fish flavour with crisp skin; far more complex than fresh grilled fish due to umami concentration through drying; kusaya: extreme fermented pungency with remarkable deep umami underneath — not merely pungent but profound