RimWorld Mods

Aquarium Mod

Author of the Aquarium Mod: mlie

Aquarium Mod lets your pawns keep tropical fish as aquatic pets, adding aquariums, fish care systems, decorative tanks, recreation benefits, meditation items, mood boosts and a large selection of fish species.

Aquarium Mod Features

The Aquarium Mod allows pawns to become aquarists and maintain pet fish in tanks and bowls.

  • Adds tropical fish keeping mechanics.
  • Adds aquarium tanks and bowls.
  • Adds beauty from decorated tanks.
  • Adds meditation items.
  • Adds recreation-based mood boosts.
  • Adds potential inspirations from fish keeping.
  • Adds selectable sand and tank decorations.
  • Adds a “Nothing” option for tank decor.
  • Adds an “Add random fish” option.
  • Adds an “Add random fish until tank full” option.
  • Makes tank beauty depend on the fish inside.
  • Prevents food and cleanliness degradation when tanks have no fish.
  • Makes fish movement smoother and more fish-like.
  • Makes the fish selector only show available fish.
  • Adds an option for fish not aging.

Fish species

The Aquarium Mod adds a large selection of fish and aquatic creatures:

  • Arowana.
  • Cherry Shrimp.
  • Gourami.
  • Zebra Angelfish.
  • Blue Tang.
  • Koi.
  • Clownfish.
  • Axolotl.
  • Plecostomus.
  • Cerulean Angelfish.
  • Royal Pleco.
  • Perch.
  • Neon Tetra.
  • Flame Angel.
  • Redbelly Piranha.
  • Emperor Angelfish.
  • Mantis Shrimp.
  • Celebes Halfbeak.
  • Tiger Barb.
  • Queen Angelfish.
  • Grey Angelfish.
  • Japanese Angelfish.
  • Blue Marlin.
  • Black Marlin.
  • Ripsaw Catfish.
  • Long-Snouted Seahorse.
  • Zebra Moray Eel.
  • Green Moray Eel.
  • Moon Jellyfish.
  • Shiny Guppy.
  • Ribbon Eel.
  • Opabinia Regalis.
  • Black Skirt Tetra.
  • Elephantnose Fish.
  • Violet Line Piranha.
  • Black Piranha.
  • Wimple Piranha.
  • Glowlight Tetra.
  • Rummy-Nose Tetra.
  • Mexican Tetra.
  • Bloodfin Tetra.
  • Pacu.
  • Silver Dollar Fish.
  • Glass Catfish.
  • Celestial Pearl Danio.

Tank sizes

  • 4×4 tank: Holds up to 20 fish.
  • 4×2 long tank: Holds up to 10 fish.
  • 2×4 wide tank: Holds up to 10 fish.

Recent changes

  • The RimWorld 1.6 version was re-released using only Asset Bundles to avoid doubling the mod size.
  • Added visual stack size support for pet food and fish meat.
  • Improved fish meat textures.
  • Added German translation.
  • Added French translation.
  • Added optimizations.
  • Added Multiplayer fixes.
  • If the Odyssey DLC is loaded, pawns have a chance of catching these fish when fishing.

For detailed mechanics, refer to the PDF included with the mod.

Compatibility notes

The Aquarium Mod includes compatibility with the following mods and features:

  • Emporium: Adds trading items.
  • Fermenter: Includes fish paste in the fish food recipe.
  • Seeds Please: Adds plant support.
  • Vanilla: Adds items to exotic and shaman traders.
  • RFF: Uses sand in glass recipes.
  • Glass and Lights: Uses workbenches.
  • Multiplayer: Includes native support.
  • VFE: Adds a chance to get tropical fish as special items from fishing.
  • Vanilla Nutrient Paste Expanded: Allows tanks to draw meals from the pipe network to auto-feed fish.

Available languages include German and French.

When troubleshooting the Aquarium Mod:

  • See if the error persists with only this mod and its requirements active.
  • If not, add your other mods back until the issue happens again.
  • Always post your log using the Log Uploader.
  • For best support, use the Discord channel for error-reporting.
  • Do not report errors by making a discussion thread.
  • If you have the solution for a problem, post it to the GitHub repository.
  • Use RimSort to sort your mods.

Additional credits: pelador, hydromancerx, Kasmex Forever, Hydromancerx, Black Talon, CaveDraegon, Taranchuk, Cody-Spring, Erdnussbrot, qux. Licensed under CC BY-NC-SA 4.0.

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