Minecraft 1.13 Snapshot 18w10a will now include lots of tropical fish, map markers that you can rename, buried treasure, new coral block textures and coral plants, a trident icon and new phantom texture as well as underwater tint per biome.
How to install:
Minecraft 1.13 Snapshot 18w10a Download Links:
Client: Download from Server 1 (.json)
Server: Download from Server 1