Generally, all Spore Mobs share the same basic behavior (excluding some Utility Abnormal):
Spore Mobs are hostile (excluding Gastgebers, Scents, Mounds, Verwahrungs, and Wombs) to most non-Spore mobs, with the exceptions being Animals and Fish (unless Should attack Animals is enabled via the Config) and mobs included in the Mobs Not Targeted blacklist within the Config (Creepers, Allays, Dolphins, Glow Squids, Squids, Bats, Armor Stands, Creeper Overhaul mobs, Sculk Horde mobs, and From Another World mobs).
Villagers, Wandering Traders, and Iron Golems are always targeted.
Can perform short dashes in liquids to pursue a target (excluding Utility Abnormal and Organoids).
Able to utilize Kill Points to grant themselves buffs (excluding Utility Abnormal and Organoids).
Present a weakness to the cold (excluding Utility Abnormal).
Villagers, Wandering Traders, and Bandits (Roamers mod) will run from Spore Mobs (excluding Scents and Challenge Watchers).
Iron Golems, Snow Golems, Guards (Guard Villagers mod), and Roamers (Roamers mod) will target and attack Spore Mobs (excluding Scents and Challenge Watchers).