Fish with a basic lure in the highest unlocked stage to get coins and experience points quickly without risk of your better items. Save your top lures for Bosses and tournaments.
Various strategies
Examine your Fishing Rod, Fishing Line, Lure and Reel to see its percentage or stats towards catching fish. Upgrade them as needed to increase their effectiveness. The correct Lure will affect the rarity and size of the fish that will get hooked. Each location has lures that work better. Select the best size and type of lure to catch what you are presently after. Lines that have more stars are stronger. Use lines and lures that have the same color and rating.