Welcome to the cheats for Fisherman's Challenge for the PlayStation 2. Below are the cheats.
Keeping fish in aquarium
After catching good fish in tournament mode, press X over the individual fish on the results list to keep it in your aquarium. Note: You can only have a maximum of ten fish in your aquarium.
Cheat mode
At one of the following screens, press Up(2), Down(2), Left, Right, Left, Right, L1, R1 to activate various effects. If you entered the code correctly, you will hear a sound.