
JellyFishy
Introduces a brand new mob for the ocean (Jellyfish) just like in real life this mob groups up (10-20 in a group) and basically just moves freely also dont touch em!
Screenshots

About this Mod
Jellyfish - Mob Description
Free Roaming Ocean Mob
Will give you stinged effect if you touch it
Stays in groups up to 20 even higher sometimes
Its about 0.2 mph
Available Versions
How to Install JellyFishy on Your Server
Order Server
Order a Minecraft Java server with at least 4 GB RAM (6 GB recommended).
Set neoforge Loader
In the panel under "Egg", select the neoforge loader and matching Minecraft version (1.21.11).
Install Mod
Open the mod browser in the dashboard and search for "JellyFishy". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.11, 1.21.10, 1.21.9 (+9 more)
Server-side
~ OptionalRecommended RAM
6 GB(min. 4 GB)Frequently Asked Questions
JellyFishy server crashes on startup – what to do?
Most common cause: wrong neoforge version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 4 GB RAM is allocated and the loader matches the mod version (1.21.11). You can switch loaders with one click in the panel.
Is JellyFishy compatible with neoforge?
JellyFishy officially supports neoforge for Minecraft 1.21.11, 1.21.10, 1.21.9. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with JellyFishy – how to optimize performance?
Recommended RAM: 6 GB (per 5 players). Use /spark profiler to check if JellyFishy consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install JellyFishy with just one click on your server.