








Adds lots of new fish into minecraft to explore for, these fish include-
BOOMFISH
a creeper themed fish, it will blow up on contact!
FLOPPER
based on the fortnite fish! will act just like every other fish
SLURPFISH
once again, based on the fortnite fish. this glowing blue fish will restore health rather than hunger
CATFISH
not the kind your thinking, this fish is litteratly a CAT fish. trust me.
CATFISH
a swamp exclusive fish! can be cooked from its raw form to a better cooked on!
GAR
another swamp exclusive! this long, snake like fish is fast and hostile. your not safe on shore as gar will wait for you to re-enter the water! if you kill it, its raw for can be used as a sword! you may also cook this fish for food.
ELECTRIC EEL
DO NOT TOUCH, the eels must be friends with Zeus! you will get struck if near!
BATFISH
this fish spawns in dark waters, its small and glows orange. it is passive and adds a nice orange burst in the deep blue sea.
ANGLER FISH
this dark see fish also glows, however, this small white glow is a trick as the angler is hostile and will attack you.
STINGRAY
these ocean dwellers aren't hostile, as long as you don't attack!
URCHIN
Check the sea floor for these black spiked friends! they dont move, but will hurt if you touch them.
KOI FISH
one of the rarest fish, only spawns in cherry and lush caves!
for more information, check out this video!
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21.1, 1.21.2, 1.21.3
- 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 Modrinth — 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.
- Ships as aquatic_expansion-1.0.0-neoforge-1.21.1.jar — drop this file into the mods folder
- Download size: 843 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.