In 1615 Ieyasu TOKUGAWA saw Ukai and was impressed by the taste of ayu baked on hot pebbles, so that it became a custom to present ayu to Edo Castle every year and 21 Ukai houses were each given 10 ryo as a salary.
元和(日本)元年徳川家康が鵜飼を見物し、石焼きのアユに感賞し、以来、江戸城に毎年アユを献上するのが例となり、鵜匠21戸に戸ごとに10両の扶持を給せられた。