Mobs Mods for Minecraft Java
Browse 100 free Mobs mods for Minecraft Java — popular picks include Aquamirae, Underwater Village - Oceanic Structures, Awesome Dungeon Ocean.
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Aquamirae
Ship graveyard with terrible deep sea creatures!
Underwater Village - Oceanic Structures
Discover a lot of new oceanic structures!
Awesome Dungeon Ocean
This mod adds dungeons to your ocean, like boat, ruin..

Fish of Thieves
A mod adds all the fish from Sea of Thieves, fish fer ye pirate!
Dungeons and Taverns Ocean Monument Overhaul
This Mod/Datapack Overhauls the Ocean Monument, turning it into a jigsaw structure, every room has randomized walls and floors, and some loot chests are scattered around

Rainbow Reef
Rainbow Reef is a mod that adds content to spruce up your in-game aquariums and coral reefs, including lots of new fish and sea creatures!
Prehistoric Nature
Prehistoric plants, dinosaurs, animals, creatures, mobs, land and aquatic biomes and dimensions with many building blocks
Underwater Village
Discover a lot of new oceanic structures!
Mo' Creatures Extended
Continued maintenance for 1.12.2 – Adds several animals, monsters, aquatics and insects to the world of Minecraft!
Panthalassa
Panthalassa adds prehistoric aquatic creatures to your world!
Aquatic Craft
Passion project that adds an expansive, fleshed-out aquatic dimension.
Oceanic
Overhauls Minecrafts Oceans and Fishing!
FEZ - (Farming, Equestrian, & Zoology)
You’re all in one Modpack, exploring an open world filled with many new animals, explore the deepest of the oceans to the densest of jungles; settle down raise livestock, grow crops, train horses, or travel back in time exploring undiscovered Lands.
Ocean Villager Trader
adds a new villager the Ocean Trader and his lighthouse structure
Wonderous Sea - Endless Ocean
Wonderous Sea adds new under represented marine life to the world of Minecraft!
deep oceans
deep oceans is a mod that adds very deep oceans
Sea Creeps
Sea Creeps have swam into Modrinth! The ocean just got explosive...
Aures - Sea Dwellers
Underwater villages and sea traders with random generation. Vanilla style.

Deep Waters
mermaids dimension
[Alone on a Raft] Ocean Survival
A perfect ocean survival modpack for a "100 Days" challenge!Explore a world of vast islands, craft an ever-growing boat, and survive dangerous sea creatures.

Fish Fix
Amends hardcoded sea level assumptions to fix aquatic mob spawning.
Mako Mermaids Mod
Live your H2O dream! Play as Cleo, Emma, Rikki or Mako characters, use elemental powers, and create your own story!
Cyra
A Minecraft mod that reveals the secrets of the ocean!
Brine
Adding much more to the dark depths of the oceans

Pufferz
Want more aquatic animals & plants to fill your aquariums? Well then look no further!
Takeover Of The Snakes
Takeover of The Snakes is an animal oriented modpack which includes Mo' Creatures, Biomes O' Plenty and many more. Mo' Creatures adds mobs and animals like bunnys, foxs, fish, sharks, ogres, manticores, ect... Biomes O' Plenty adds many new biomes.
Hybrid Aquatic: Fantastic Fishery
An addon for Hybrid Aquatic that adds various imaginary fish
UnderDasea
A mod that aims to add life to the oceans.
Beyond The Ocean
A Mod that let´s you explore beyond the oceans of minecraft. New ocean themed planets on a post End level difficulty. New structures, mobs, items and technologies. New adventures and a new story ready to be told.
Dead World [Remake]
Four new dimensions, a lot of new creatures, new bosses and monsters to defeat in this mod to explore. From the oceans to the caves, you will find dangerous monsters and beatiful creatures.
bigfish: ripple
Expand vanilla fishing with new fish, attributes, collection records, bounties, QTE fishing, cooking, placeable food, exploration tools, and progression-focused aquatic gameplay.
Adrift
Stranded in the ocean, you're forced to fend for yourself and survive. Can you thrive, or will you get eaten by the monsters that surround you?
Stranded in the ocean
you must survive in a flooded world with new items structures and animals
Aquatic Fauna Expansion
A NeoForge mod that revitalizes Minecraft's oceans with new creatures, behaviors, and underwater biodiversity.
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
sirens of the deep
have fun exploring the deep sea invite your friend to explor the vast and deep oceans of Minecraft live your best life as a mermaid you wont be harmed by monsters because you are so beautiful customize your tail make it different colors