What happened?

I can't remove Hippocampus spawns, whenever I set "Spawn Hippocampus Chance" = 0, it changes to 1 as soon as the game boots up and there are a million of them over water.

Minecraft Version

1.20.1

Ice and Fire version

2.1.13

Citadel version

2.5.4

Relevant log output

No response

Other Information

• I am using other mods besides Ice and Fire
• I have attached a log file from the session that I have experienced this issue