Fishing-themed slots range from the calm, patient feel of a lake to the bigger,...

https://wiki-neon.win/index.php/Why_a_Fishing_Theme_Gives_Designers_So_Many_Ready-Made_Symbols

Fishing-themed slots range from the calm, patient feel of a lake to the bigger, wilder mood of open water. Look for details like a tackle box or bobbing float, and a fisherman whose personality can make the whole trip feel playful—or quietly focused.