Mermod (1.21.11, 1.20.1) – Transform Into a Mermaid
Java mod listed for Minecraft 1.20–1.21. File opened and checked on 27 Sep 2026; downloads from the MC Java Mods app on Android.
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Mermod is a unique mod that comes with an interesting new feature. This mod adds a magical necklace that can be crafted by following the recipes given below. This necklace can be placed in a player’s chestplate armor slot. A player wearing this necklace will instantly transform into a mermaid upon touching water. The transformation is quite interesting to see as it happens instantly. You could be walking on land for a while and then jump into a water body, and bam! You’re a mermaid.
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Features:
- Magical Transformation: Mermod introduces a captivating magical necklace that grants players the ability to transform into a merperson while submerged in water, unlocking a unique and immersive underwater experience.
- Seamless Transition: The mod ensures a seamless transition between the player’s regular form and the enchanting merperson state, providing a fluid and engaging gameplay element as users explore the depths of Minecraft’s aquatic environments.
- Colored Necklaces: You can change the color of your magical necklace by placing it in a crafting grid along with some dyes. The color of the necklace will be the color of your mermaid tail.
Screenshots:






Crafting Recipes:

Mermod Download Links
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.11, 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: In MC Java Mods, or directly above on this page.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Downloads as 2837.mcaddon
- Download size: 169 KB
- Download link checked 25 Sept 2026 — working
- Mirrored on our own servers — the download does not depend on the original host
These come from our own check of the pack file, not from the source page.