ModsJava
Leviathan
Java mod listed for Minecraft 1.20. File opened and checked on 15 Oct 2026; downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.20–1.20.4 on Forge. On other versions it may install and then do nothing.



The only addition this mod brings to your Minecraft world is a new whale-based creature. It is larger than most vanilla mobs and can be located in ocean biomes. The Leviathan is passive and drops meat upon death.
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.20.2, 1.20.3, 1.20.1
- 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 CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
File checked by MCModsHub
- Ships as Leviathan.jar — drop this file into the mods folder
- Download size: 206 KB
- Download link checked 17 Oct 2026 — working
These come from our own check of the pack file, not from the source page.