Pedzisa mutsara unotevera: "Ryou-Un Maru", ngarava yokuredza muzvikepe zvokutengesa zveJapan, yakatanga kuvakwa munenge muna 1982. Yakanga iri yeimwe kambani yokuredza yeHokkaido uye yaishandiswa kuredza shrimp kana squidding. Pashure pebasa renguva refu muridzi wengarava akafunga kuti yakanga yakwegura zvikuru kuti irambe ichishandiswa uye yakaiswededza muAomori Prefecture muHonshu ichimirira kutengeswa. Apo
Nokudengenyeka kwenyika uye tsunami zvakaitika kuTōhoku muna March 2011, "Ryou-Un Maru" yakasunungurwa ndokubva yaendeswa.