Nether Depths Upgrade
Java mod listed for Minecraft 1.16–1.21. File opened and checked on 19 Oct 2026; downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeNether Depths Upgrade is a small mod that adds some extra flora and fauna to the lava seas of the nether. A total of nine fish have been added, a new enchant and a potion in order to explore the lava in the nether.
Dependencies
Geckolib 3.0
The latest update adds some new fish and a new glass that allows you to see in lava, so you can make all your lava based aquariums ;)
Lava fishing
This mod adds the ability to fish in lava(overworld/nether)
The new fish
Soul suckers in the soul sand valley, soul suckers can be used to craft some lovely boots
Witherbonefish in the soul sand valley
Bonefish in the nether wastes
Searing cod in the nether wastes
Glowdine in the crimson forest
Lava pufferfish in the warped forest, lava pufferfish can be used to brew a new potion
Obsidianfish in the basalt deltas
Magma cube fish in the basalt deltas
Blazefish in a fortress piece
The depths also give way for sponges to spawn that can absorb lava and dry when placed in water
The depths also spawn vents that spawn some good ores
For suggestions, bug reports and general chat about the mod, join the discord server below!
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 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.
Nether Depths Upgrade is a free Minecraft Java mod. Compatible with Minecraft 1.21, 1.21.1, 1.20.1, 1.20 and newer. Downloaded 26,642,796 times (via CurseForge). Download it and open it directly in the game.
