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Mermaids

Ever wanted to be a Mermaid? Now you can with Mermaids, this mod allows the user to transform into a Mermaid in water! Giving the user increased swim speed, water breathing, night vision, and more while swimming underwater through seas, rivers, and oceans.
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A sneak peak of the upcoming tail model that I've been working on near a whale.

A sneak peak of the upcoming tail model that I've been working on near a whale.

Mermaids posing for a camera. Credits: KazumiiZ from ÆtherTale

Mermaids posing for a camera. Credits: KazumiiZ from ÆtherTale

A sneak peak of the tail model I've been working on (3).

A sneak peak of the tail model I've been working on (3).

A sneak peak of the tail model I've been working on (2).

A sneak peak of the tail model I've been working on (2).

Description

Mermaids-Banner

Ever wanted to be a Mermaid? Now you can with Mermaids, this mod allows the player to transform into a Mermaid when entering the water! Which will give the player increased movement speed, water breathing, night vision, and more while swimming underwater throughout the seas, oceans, and rivers.

 

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Features:

After entering the water for a couple seconds, you'll turn into a mermaid. Once you enter the land, your legs will regenerate (Can be modified).

  • Grow a Mermaid Tail and keep your cosmetics.
  • Breathe underwater with increased swim speed.
  • Custom Mermaid NPCs that spawn in the ocean.
  • Mod fully customizable with permissions and config.
  • Configurable transformation option -- Example: Transform only by potions and/or enable for all.
  • Custom model, cosmetics, and animations, WIP.
  • Compatibility support with 9+ mods. Including a custom Mermaids mod API.
  • Compatibility with Endless Leveling as an addon that adds the mermaid race with variations.
  • Compatibility with Orbis Origins as an extension that adds the mermaid species.
  • Works in Multiplayer and Singleplayer.
  • and More!

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Roadmap:

  • Particles when you transform into a Mermaid.
  • More Mermaid related sea life and/or underwater things.
  • More Mermaid cosmetic armor.
  • More Mermaid cosmetics.
  • Mermaid on land animations.

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Commands, Config, and Permissions:

Commands Extra Info:

Use /mermaids to open the mermaid ui and do /mermaids --help for more command options.

Check out https://mermaids.dev/mermaids/commands/ to see a list of all commands for the Mermaids mod.

Permissions Extra Info:

Head on over to https://mermaids.dev/mermaids/permissions to view all the permissions for the Mermaids mod.

Config Extra Info:

https://mermaids.dev/mermaids/config/ will let you view all the configs that the Mermaids mod adds and allows you to read the default value and description for each config variable.

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HOW TO INSTALL:

Client:

Upload the Mermaids.jar file into your %appdata%\Roaming\Hytale\UserData\Mods\ Folder

Server:

Upload the Mermaids.jar file into your servers mods\ folder

Make sure you delete any previous version of Mermaids otherwise your world may not start.

Mermaids-Mermaid_showoff

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MOD COMPATIBILITY:

A list of all compatible mods with my Mermaids mod can be found here.

How to enable the Endless Leveling Compatibility Addon information can be found here.

How to enable the Orbis Origins Compatibility expansion can be found here.

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VERSION COMPATIBILITY:

v2.0.0-latest : Designed: 2026.03.26-89796e57b - Active support for continued versions until specified.

v1.3.6-v1.4.3 : Designed: 2026.02.17-255364b8e

v1.3.0-v1.3.5 : Designed: 2026.01.27-734d39026

v1.0.0-v1.2.7 : Designed: 2026.01.13-dcad8778f - Supported Until:  2026.01.24-6e2d4fc36

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Known Bugs:

  • Mermaid tail looks block at the end (Temporary while I decrease nodes).
  • You keep your tail for a small amount of time once you go on land.
  • Animations are weird when you hit a block or when you're above water.

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Support the Creator of Mermaids:

You can support me by using my creator code SIREN at checkout.

Support Mermaids by using creator code SIREN image.

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HStats Mermaids Mod with History

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The Mermaids Team

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  • 10
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  • 6
    Projects
  • 30.2K
    Downloads

I am a Hytale Mod developer mainly focusing on my Mermaids mod.

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