Historical clue formulations

• Once-common fish in the Thames — 2026-08-02
• Some creatures in the ocean's "midnight zone" — 2026-07-11
• Main ingredients in unagi don — 2026-07-10
• They twist beneath the surface — 2026-05-24
• Fish traditionally in the British dish "pie and mash" — 2026-01-18
• Hagfish lookalikes — 2025-12-12
• Fish that can be 12 feet long — 2025-11-14
• Fish feared by dragons in "How to Train Your Dragon" — 2025-09-03
• Subjects of some European fishing bans — 2025-08-07
• "I don't mind ___ / Except as meals. / And the way they feels": Ogden Nash — 2025-07-23
• Fish bred by Roman nobles — 2025-05-23
• Serpentine swimmers — 2025-05-12
• Ursula's lackeys in "The Little Mermaid" — 2025-04-10
• Slippery sorts — 2025-01-12
• Snakelike fish — 2024-12-30
• Nocturnal reef hunters — 2024-11-05
• Aquatic wrigglers — 2024-10-14
• Wriggly sea creatures — 2024-07-29
• Fish that can survive for several hours on land — 2024-06-21
• Snaky swimmers — 2024-06-16
• Ursula's slithery pets in "The Little Mermaid" — 2024-06-04
• Ursine : bears :: anguilliform : ___ — 2024-01-07
• Shocking fish in the Amazon — 2023-12-26
• Delicacies for which Aveiro, Portugal, is known — 2023-12-20
• Fish that are often prepared kabayaki-style — 2023-12-11
• Creatures that are often catadromous, meaning they live in fresh water and breed in salt water — 2023-09-20
• Sargasso Sea spawners — 2023-08-17
• Reef wrigglers — 2023-07-18
• Some snakelike fish — 2023-05-15
• Creatures described as anguilliform — 2023-03-16
• Their blood is toxic to humans — 2023-03-08
• They may be long and shocking — 2023-03-05
• Slippery swimmers — 2023-01-27
• Jellied fish in some British pies — 2023-01-23
• Symbols of slipperiness — 2023-01-13
• Unagi and anago, for two — 2022-09-04
• The ancient Egyptians believed they were created from the sun hitting the Nile — 2022-07-30
• Reef predators — 2022-06-19
• Sleek reef swimmers — 2022-06-05
• Some reef dwellers — 2022-06-01
• Congers and morays — 2022-03-21
• Flotsam and Jetsam in "The Little Mermaid" — 2021-06-23
• Some are shockers — 2020-07-26
• Creatures that can have two sets of jaws and teeth — 2020-06-21
• Fish in the order Anguilliformes — 2020-04-10
• Serpentine swimmers — 2020-04-01
• Wrigglers — 2020-02-23
• Prey for barracudas — 2019-12-17
• Jellied delicacies — 2019-08-11
• Fish that wriggle — 2019-07-29