StopGrowth
StopGrowth lets players halt the growth of baby animals and later restart it, using specific items, on Fabric and NeoForge for 1.21.6.
What it does
Selected baby mobs can have their growth frozen, so they stay young instead of maturing on their own schedule. The growth state is kept between sessions, and a matching item restarts the timer when a player chooses. Growth is shown visually on the affected mobs, so a frozen animal can be told apart from one still growing.
The mod runs on both Fabric and NeoForge and depends on Architectury API, which must be installed alongside it. Servers that run it need every player to install it too. It is released under the MIT License and is open source, with a public source code repository and issue tracker. Mixins are bundled, and the behavior can be extended through datapacks.
The 2.0 files target 1.21.6 only, published on 2025-06-21 for both loaders. The first release came out on 2025-06-20, and the card covers that single game version.
Key features
Growth freeze
Chosen baby animals stop maturing, so they keep their small size until a player releases them.
Growth restart
Specific items restart growth on a frozen mob, letting the timer resume at the player's chosen moment.
Persistent state
Frozen and growing states are saved, so mobs keep their status after the world is reloaded.
Visual feedback
Affected animals show a visual cue, making it clear which babies are held back.
Datapack support
Datapacks can change the behavior, giving server owners control over which animals and items are involved.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
Use cases
Keeping a farm tidy
A player can hold young animals at a size that suits a pen or build, then release them later.
Server control
Server owners can decide how long baby mobs stay young by combining the freeze and restart mechanics.
Who it’s for: Players who keep animal farms or build with baby mobs, and server owners who want to manage how quickly young animals mature.
Questions
Does StopGrowth need Architectury API?
Must the server have StopGrowth installed?
Which Minecraft version does StopGrowth support?
In the catalog
StopGrowth is one of 11,058 Mobs mods on ModsFinder, and one of 5,189 Mobs mods for Fabric. 13,625 mods support Minecraft 1.21.6.
Similar mods
What the author says
A simple Minecraft 1.21.6 mod for Fabric and NeoForge that allows you to stop and restart the growth of most baby entities using specific items.
Official listing
- Modrinth page
- modrinth.com/mod/stopgrowth
- Owner
- Fodoth-jinzi89
- Published
- 2025-06-20
- Updated on Modrinth
- 2025-06-21
- Facts verified
- 2026-10-15