This is a 1.21.1 port of Aquatic Torches (originally by realmayus under MIT) for everyone's convenience.

The original can be found here. It hasn't been updated in a year, and I really needed it for an SMP, so...
The only thing I changed was making the torches use the Glow particle instead of Glow Squid Ink, because I found it too obtrusive.
All the assets belong to them, that being models and textures, and I take no credit. The mod itself was recoded from scratch though.
How to Install Aquatic Torches for Fabric 1.21.1 (Mod)
Aquatic Torches for Fabric 1.21.1 by rsrth is verified for Fabric across Minecraft versions 1.21.1 (latest release: 1.21.1, file size: 24 KB). Follow the steps below to install it safely from ModCraft.tv:
- Click the Download button above and select your Minecraft version (1.21.1) and platform (Fabric).
- Make sure you have the compatible loader or environment installed for Fabric.
- Move the downloaded Aquatic Torches for Fabric 1.21.1 file into your Minecraft
.minecraft/modsfolder and launch the game.