Historical clue formulations

• Anago, to a sushi chef — 2025-02-19
• Marine creature whose name has four consecutive vowels — 2023-09-24
• Anago, at a sushi restaurant — 2023-07-06
• Anago, on a sushi menu — 2022-01-09
• Anago, at a Japanese restaurant — 2019-04-18
• Anago, at a sushi restaurant — 2017-07-04
• Sushi fish — 2014-03-10
• Sushi offering — 2010-05-06
• Conger, e.g. — 2007-08-01
• Anago, in a sushi restaurant — 2006-02-24
• Conger — 2003-12-07
• Wriggly creature — 1998-04-05