Catching fish will award you with points which are added to the overall fishing rod progress from the fishery you are on.
After earning a certain amount of points for one of your fishing rods it will be automatically leveled up.
Every second level you will gain the ability to draw a random bonus.
You can also upgrade your Fishing rod to pro gear so that you can draw a bonus on every level.
Pro gear will also let you gain experience points 5 times faster.
You can level up every fishing rod up to level 10.