Largest caught = 65535g:
 801C603C FFFF

Timer Frozen (Press Square):
 D01C58CC 0080
 8007C516 3C00

Timer Default (Press Triangle):
 D01C58CC 0010
 8007C516 0044

Fish weights 9999g:
 801CDEA2 270F

Line don't break:
 8018D2C8 001A