How Do You Catch This New Secret Fish?

I hope to someday learn its secrets.
Oh how I've missed Cat Goes Fishing. It's go everything one can ask for in a game and more. It's a shame we didn't catch the fish this time, hopefully a helpful commenter will give me the clue I need.



Game: Cat Goes Fishing - https://store.steampowered.com/app/34...

Music provided by:
(Epidemic Sound) http://www.epidemicsound.com/