Just a little idea: Would be fun if those Fisherman Hats had slots in them kinda like a belt, where you could store spare hooks and lures. Would allow me to keep room in my inventory for actual fishes and not return to land so often. + Would make sense, ain't that what fisherman's hat are for?
https://www.google.com/search?q=fisherman+hat+with+lures&rlz=1C1VFKB_enCA758CA758&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjdpded__njAhXCnuAKHQMHAeoQ_AUIESgB&cshid=1565498370005683&biw=1600&bih=708#imgrc=E2jZYkbGhC4J4M: