I've tried placing this list in GatherDispenserModifiers, GatherResourceModifiers, and PickupResourceModifiers but none seem to have any effect on fishing results. Does anyone have any idea if I'm missing something?

{
"Anchovy": 100.0,
"Catfish": 100.0,
"Herring": 100.0,
"Minnows": 100.0,
"Orange Roughy": 100.0,
"Salmon": 100.0,
"Sardine": 100.0,
"Small Shark": 100.0,
"Small Trout": 100.0,
"Yellow Perch": 100.0
}