Historical clue formulations

• Underwater respirator — 2025-08-17
• Fish or mushroom feature — 2022-12-06
• Breathing apparatus — 2022-09-02
• Fish's breathing organ — 2022-05-23
• Bass organ — 2021-01-16
• Breathtaking sight in the ocean? — 2020-05-31
• Breathing aid — 2018-02-02
• Bass organ — 2016-12-23
• Underwater breather — 2016-08-12
• Underwater breathing apparatus — 2005-11-27
• Mushroom cap part — 2004-08-04
• Four fluid ounces — 2004-02-29
• Flounder's filter — 2003-09-03
• It obtains oxygen from water — 2002-11-28
• Fish organ — 2002-07-16
• Quarter-pint — 2000-11-19
• Fish's breathing organ — 2000-02-21
• Part of a fish — 1999-04-06
• Quarter pint — 1997-12-19
• Breathing organ — 1996-02-01