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Vanilla Fireflies

Mod

Datapack that adds ambient fireflies - now they fly not only near bushes.

Type

Mod

Modrinth Downloads

95,384

Modrinth ID

dxiyDLYV

Last Updated

Jun 7, 2026

Description

Fireflies can be found in the swamp and mangrove swamp biome at night

Works only serverside

🏞️ Supported Custom Biomes:

  • Terralith
  • Biomes O' Plenty
  • Regions Unexplored
  • Terrestria
  • William Wythers' Expanded Ecosphere
  • Nature's Spirit

📚Fireflies Settings:

  • If you want to use pre-made modes use /function vanilla_fireflies:menu
  • You can also change the amount of fireflies with /function vanilla_fireflies:amount {amount:<an actual integer amount of fireflies particles>}
  • Or you can fine-tune the parameters using /function vanilla_fireflies:configure {amount:<an actual integer amount of fireflies particles>,speed:<an actual float speed of particles>, delta_x:<how far along the X axis from the player can the particles appear>,delta_z:<how far along the Z axis from the player can the particles appear>, delta_y:<how far along the Y axis from the player can the particles appear>}
    • Note: Default values are:
      • amount: 25 after 1.21.5/60 before 1.21.5
      • speed: 0.3
      • delta_x: 40
      • delta_y: 10
      • delta_z: 40

📂Installing as datapack

  • Download and install datapack in the world
    • For a new world: You can click the "Data Packs" option when creating a new world and select this datapack

🔧Installing as mod

  • Download and put mod in your .minecraft/mods folder

If you have any questions, bugs, suggestions you can create an issue on github or join our discord server

Compatibility

Mod Loaders

Datapack Fabric Forge Neoforge Quilt

Game Versions

1.20.6 1.21 1.21.1 1.21.2 1.21.3 1.21.4 25w06a 25w07a 25w08a 25w09a +7 more

Screenshots

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Included in Modpacks

External Resources