Historical clue formulations

• Common fish-and-chips fish — 2026-07-13
• Flaky fish — 2026-03-29
• Massachusetts' Cape ___ — 2026-01-12
• Fish for fish sticks — 2025-11-19
• Atlantic food fish — 2025-07-13
• Fish whose most plentiful species are the "Atlantic" and "Pacific" — 2025-02-27
• Cousin of a haddock — 2025-01-30
• Most successful American video game franchise, for short — 2024-12-07
• Fish-and-chips fish, typically — 2024-10-22
• "___: A Biography of the Fish That Changed the World" (1997 nonfiction best seller) — 2024-09-08
• ___ liver oil (dietary supplement) — 2024-08-25
• Fish-and-chips fish — 2024-08-05
• "Atlantic" or "Pacific" fish — 2024-04-02
• Fish-and-chips fish — 2023-09-03
• Flaky fish — 2023-01-30
• Fish with a valuable liver — 2022-12-23
• Fish oil source — 2022-11-08
• Source of oil from the sea — 2022-07-22
• Fish-and-chips fish, typically — 2022-07-11
• Haddock relative — 2021-12-26
• One way for packages to arrive, in brief — 2021-10-24
• New England catch — 2021-05-18
• Massachusetts' Cape ___ — 2020-10-06
• Cape ___, landing place of the Mayflower — 2020-04-28
• Relative of a haddock — 2019-12-26
• Fish taco fish — 2019-07-14
• Fish caught off the New England coast — 2019-01-21
• Cousin of a pollock — 2018-12-18
• How a package may arrive — 2018-03-23
• See 21-Across — 2017-08-11
• Cape ___ — 2017-06-04
• North Atlantic fish — 2016-07-18
• Cousin of a pollock — 2015-08-28
• Trawler's catch — 2015-07-10
• Fish-and-chips fish — 2014-12-28
• How some packages arrive, for short — 2014-11-03
• - — 2014-10-09
• Shipping letters — 2013-12-11
• New England catch — 2013-04-01
• Salted fish — 2012-10-17
• Atlantic food fish — 2012-04-23
• Fish salted for bacalao — 2012-03-28
• Rockling, e.g. — 2011-03-19
• Cape ___ — 2011-01-20
• Mail-order option — 2010-10-06
• Mail order option — 2010-09-30
• Fish-and-chips fish — 2009-11-29
• How some mail-order packages arrive, for short — 2009-09-14
• Fish-sticks fish — 2008-12-22
• How some packages arrive — 2008-10-01