MoreMobHeads
This plugin adds all the Minecraft Mob Heads of the MoreMobHeads datapack hosted by Xisumavoid from the Hermitcraft server, and expands those heads to all Mobs in the game with textures available at the time of release, including all Villager professions and types.
All 22 named Tropical Fish have been added.
ALSO DOES PLAYER HEADS
To view the source for MorMobHeadsLib