DatapacksJava
Full Moon Only Black Cats│滿月只有黑貓
I don't know my version or loader
Open the Minecraft launcher and look at the profile you play on — it names both, like fabric-loader-1.21.4. The version also shows in the bottom-right corner of the game's main menu.
No loader in the profile name? Then it's plain Minecraft, and these mods won't run — you need Fabric or NeoForge installed first.
What does this datapack do?│這個資料包在做甚麼？
In vanilla, black cats only spawn during the full moon, and other cat breeds also spawn during the full moon. With this datapack, the full moon only has black cats.│在原版中，黑貓只會在滿月生成，而且在滿月，其他品種的貓也會生成。有了這個資料包，滿月就只有黑貓了。
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.9, 1.21.10, 1.21.11
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
Verified by MCModsHub
- Downloads as full_moon_only_black_cats_1.0.0+1.21.9.zip
- Download size: 6 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.