Forge Mods for Minecraft 1.20
Browse 11 free Forge mods for Minecraft 1.20 — popular picks include DragN’s Bettas & Aquatics!, fapdos' Aquatic Additions, Sea Creeps.
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DragN’s Bettas & Aquatics!
Betta fish and decorative, customizable aquariums!
fapdos' Aquatic Additions
Adds many new fish creatures and underwater decorations to the game
Sea Creeps
Sea Creeps have swam into Modrinth! The ocean just got explosive...
Dorsal Moon
An add-on for Enhanced Celestials, adding a Moon that aids in ocean exploration for the night.

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.
Colorful Sea Lanterns
Adds craft-able sea lanterns of all dye colors.
Chilled
A Medium Mod improving the Deep cold oceans.
Shear Corals Mod (1.20.2, 1.20.1) – Use Shears To Collect Corals
In the warm ocean biomes in the game, colorful corals generate underwater. The corals can be used for various building and decoration purposes. Players need to use a silk touch enchanted tool to collect them. But not every player in the early stages of their survival game may have access to silk touch enchanted tools. […]
Ruined Ather Portals (Lite)
A Simple mod that adds 2 structures: Ruined Aether Portals. They can appear in forests and deep oceans.
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.