With a hunting licence, you are allowed to hunt and purchase hunting weapons in Germany. In addition, you always require the authorisation of the respective hunting ground owner.
If you want to fish in Bavaria, you need a fishing licence. The prerequisite is reliability under fishing law and passing the state fishing examination.
In Bavaria, all minors aged seven and over are allowed to fish with an accompanying person without an additional fishing licence - without having to go through the authorities and incurring costs.