Mobs Mods for Minecraft Java
Browse 501 free Mobs mods for Minecraft Java — popular picks include Tek N Astra (Sea of Dreams), Aquatic Plugin, Faentum's Deep Sea Expansion.
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Tek N Astra (Sea of Dreams)
This mod aims to add way more content to the game, especially post-Ender Dragon part of the game!
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft

Faentum's Deep Sea Expansion
Deep Oceans are no more safe, Dare to Face the Abyss!
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
Aquaticworld
This mod adds 5 new creatures to diversify the oceans.The mod will also add 9 new structures and their prehistory.The mod is based on the game "Subnautica"
Sea Core Balance & Utilities
A balance and utility addon for Mine Mine no Mi and CartAddon, focused on cleaner PvP, reworked abilities, improved fruit terrain effects, bosses, crates, and server-friendly config tools.
Blood in the Water
A mod that adds new and possibly deadly aquatic mobs to Minecraft!
better mob : sea expansion
Better Mob: Sea Expansion transforms Minecraft oceans with unique creatures like Whales, Lobsters, Deep Watchers, Coral Golems, and Jellyfish, creating deeper exploration, dangerous encounters, and unforgettable underwater adventures.

Water World - Atolls
Water World - Atolls is an immersive Minecraft mod (Fabric) that breathes life into ocean biomes by introducing procedurally generated Atoll structures, complete with custom villager AI behaviors, dynamic fishing, and unique blocks to ease water buildin
Oh Can't You Sea
A mod that aims to improve the oceans of minecraft.
Sage's Ocean Adventure Pack
Build a functioning ship and explore the seven seas as a Pirate, or explore the depths of the ocean as a mermaid or another creature. Build an empire or a secret base. This pack centers around the ocean.
Fish Rework - Fishing
A plugin that reworks the fishing mechanic, by fishing up unique sea creatures instead of normal fish. Custom drops, items, armor, weapons, skill progression, recipes, custom GUI, advancements, artifacts and more.
Forgotten Tides
Reimagines Minecraft's sea creatures. Requires Fresh Animations.
The Great Ring of Oceanus
A Revamped Ocean Monument is the Gateway to a New Deep Ocean Dimension!
SharkZone Ultimate
A magical World with its wonderful creatures and advanced Technology.
Spiral of Jujutsu
The Jujutsu sorcerers are stranded on a island where cursed waters hide sea monsters and nighttime mobs grow larger every day. With limited resources, they must survive, fight, and uncover the curse before the island overwhelms them.

StaffCraft: Evolution
StaffCraft: Evolution adds 10+ unique magical staffs with insane abilities. Freeze enemies, bend reality, summon meteors, control the ocean and more! Collect shards from mobs, craft powerful staffs, and battle friends in the arena with the /vs system. ⚔️
Slime Dimensions
Explore the Slime World through custom portals, discover slime biomes, Liquid Slime oceans, new blocks, mobs, resources, bosses, and progression toward Arcane Slime Tech.
Horn Of The Sea
The Horn of the Sea is a mystical artifact forged by combining the power of land and sea. Crafted using a Goat Horn and the rare Heart of the Sea, this enchanted horn can be used only in ocean biomes to summon 2 dolphins to assist your needs!
Depths Reborn
This mod adds the Nautilus. Work will also be done to add some aquatic mobs and mob votes, such as the crab and The Monster Of The Ocean Depths, as well as others.
Azúl
An all-new dimension featuring a gigantic ocean surrounding it, and its magnificent fauna—or perhaps just a simple fauna mod?
Sharks with Lasers
A minecraft mod for Evil villains that mean Business
Mo' Creatures StationAPI
DrShark's Mo' Creatures from beta 1.7.3 on Babric + StationAPI
Monster Origins
(WIP) Minecraft 1.20.1 (and now 1.21.1) / Fabric addon for Origins that adds four origins Arachne (a humanoid spider), Medusa (a gorgon), Harpy (a storm-wind bird-woman), and Mermaid (a singer of the deep) each built around a different playstyle
Motley Fins
Updates aquatic biomes, adding blocks and a new mob!
No Glow Squids?
Fixes the superflat sea level causing glow squids and other aquatic mobs from not spawning
Sea Urchin
This mod adds a sea urchin. Sea urchin can drop a item. A Item can be used for cooked sea urchin
Reaper Leviathan
A mod that adds Reaper Leviathan from “Subnautica” to the deep oceans of Minecraft.
Oceanlife
This project adds new Fish variants such as a shark that can attack you.
Oceanic Slime
Retextures the slime to aquarium like mob
Water Enhanced
Expands ocean gameplay with new resources, gear, and aquatic mechanics while staying true to vanilla.
Sharks | Shark mobs for ItemsAdder
this addon adds a dangerous shark to your world and more!
Acuatic Practic
It's a mod with strange and funny aquatic beings.

Blue Oceans
Blue Oceans is a technology-adventure mod designed to enhance the player's gaming experience by incorporating real-life items.It also includes some magical items.
Aquatic Creatures
Did you know we know most about the space than own ours oceans? I want to make you feel that with this mod
Abyssal Frontier
A Fabric 26.2 ocean-exploration mod about surviving pressure, piloting submersibles, and escaping the deep.