Historical clue formulations

• Fishing gear left underwater — 2020-12-25
• Bit of fishing equipment — 2019-06-08
• Underwater trap — 2015-02-08
• Fish trap — 2013-05-19
• Underwater trap — 2008-11-09
• It's a trap — 2008-05-18
• Fisherman's trap — 2007-10-21
• Fishing gear with fine mesh wire — 2006-07-23