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IchthyologyMinecraft mod for 1.20.1

Ichthyology is a vanilla styled fish mod aimed at revamping the waters of Minecraft

client and servernewest supported release 1.20.1MobsFood
Latest version
1.0.3
Minecraft
1.20.1
Java
Java 17+
Loaders
Forge, NeoForge
Licence
LicenseRef-All-Rights-Reserved
Downloads
881
Updated
6 mo ago
Available on
Modrinth
Space NodeOur hosting

Host Ichthyology servers

One click and Ichthyology is installed with the right loader, on hardware built for it.

  • 1.20.1
  • Forge
  • NeoForge
  • One click mod install
  • Loader matched for you
  • Ryzen CPUs
  • NVMe SSD
Deploy a serverFrom €0.90 per GB

Screenshots

Click a screenshot to open it. Screenshots are served from the author’s own host and belong to them.

Minecraft versions

Every version Ichthyology declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
1.20.1Forge, NeoForge17+declared12 Jun 2023

Download

From Ichthyology’s own host. Nothing is re-hosted here.

For Minecraft 1.20.1

Choose the loader you use before downloading.

Most recently published release

1.0.3release14 May 2026

ichthyology-1.0.3.jar · 0.7 MB · for 1.20.1 · Forge, NeoForge

Choose file on publisher ↗
2429005d794c…
Older versions3

Frequently asked

Does Ichthyology work on Minecraft 1.20.1?

Yes. 1.20.1 is the newest Minecraft version Ichthyology declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Do I need to install Ichthyology on the client or the server?

Both. Every player needs it installed and so does the server, so anyone joining without it will be refused.

Which platform or loader does Ichthyology support?

Forge, NeoForge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Ichthyology?

Among the supported Minecraft releases above, the highest recorded requirement is Java 17 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

What licence is Ichthyology under?

LicenseRef-All-Rights-Reserved, as stated by the author on the platform we synced it from. Check the project's own page before redistributing or bundling it.

How do I install Ichthyology?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Ichthyology safely?

Start with the author's page on Modrinth, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

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Details from Modrinth, where the author last updated it on 14 May 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Not indexed yet. Score 53 against a threshold of 55. The page still exists and is still linked; it simply carries noindex until we hold more.

Is this information wrong or missing something? .