Some of the Dojo-nabe restaurants (restaurants serving loach-based nabemono) that have been operated in Tokyo since the Edo period have continued serving "Kujira-jiru" for more than 160 years.
東京都内の江戸時代から続くどじょう鍋料理店では、160年間以上にわたり「鯨汁」を提供し続けている店もある。