Historical clue formulations

• Fish also known as a bluegill — 2021-12-22
• European carp — 2015-06-18
• Pond fish — 2013-03-31
• European freshwater fish — 2012-01-29
• Silver-scaled fish — 2005-10-02
• Freshwater fish with silvery scales — 2005-02-15
• Bluegill fish — 2000-05-23
• Sunfish — 1997-06-08