Forge Mods for Minecraft 1.20
Browse 17 free Forge mods for Minecraft 1.20 — popular picks include Hybrid Aquatic, Ben's Sharks, Rainbow Reef.
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Hybrid Aquatic
A mod that expands upon Minecraft's aquatic life
Ben's Sharks
A simplistic approach towards one of the ocean's most complex creatures.🦈

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!
Elliemore's Deep waters
Mermaids dimension
Pelagic Prehistory
Deep below the surface of the ocean exists an undiscovered wealth of life. Adventure down to the darkest depths to mine fossils and a brand new stone-type. Finally, use your hard earned materials to create machines for the future, and unlock life that may
fapdos' Aquatic Additions
Adds many new fish creatures and underwater decorations to the game

Pufferz
Want more aquatic animals & plants to fill your aquariums? Well then look no further!
UnderDasea
A mod that aims to add life to the oceans.
bigfish: ripple
Expand vanilla fishing with new fish, attributes, collection records, bounties, QTE fishing, cooking, placeable food, exploration tools, and progression-focused aquatic gameplay.
Marine biology
A mod that diversifies the oceans and adds several marine mammals from the cetacean family. Currently, the largest is the humpback whale. There is also a bowhead whale that you can ride. Smaller ones include the beluga whale, the pilot whale,
Azúl
An all-new dimension featuring a gigantic ocean surrounding it, and its magnificent fauna—or perhaps just a simple fauna mod?
Sea Urchin
This mod adds a sea urchin. Sea urchin can drop a item. A Item can be used for cooked sea urchin
Fins and Tails Mod (1.20.1, 1.19.2) – New Aquatic Mobs
Fins and Tails Mod adds 19+ new creatures to Minecraft, enhancing and diversifying the game’s environment. Currently, most of these are fish and snails. These mobs don’t directly affect gameplay-they exist as part of the world’s natural surroundings. Players can collect them as food or use them for item drops, making the underwater world feel […]
Womp's Shellfish Mod
(Fabric / Forge / NeoForge) Adds several types of shellfish to the game, enhancing aquatic life and ambience.
Scarlet's Manatees
Are your oceans too empty? Add some sweet gentle giants into your world, Manatees!
Archosaur Survival
Archosaur Survival reimagines classic Minecraft by adding custom trees, animals, improved farming and cooking, and toggleable combat. Experience realistic ocean physics, dynamic weather with storms and tornadoes, custom furniture, and detailed blocks.
Aquatic Oddities
More aquatic life for your water