Windows + macOS
Desktop companion
Updated for v1.2.1 — 450+ Fish & Decorations
PC FISH: Taskbar Aquarium
Complete Guide
Beginner tips, desktop wallpaper help, breeding, rare fish, Steam Market trading, system requirements, and every aquarium guide.
450+Fish & Decorations
30Steam Achievements
86%Positive Reviews
FreeDesktop Companion
Taskbar Aquarium
What is PC FISH?
PC FISH is a free desktop aquarium that lives along your taskbar while you work, browse, or play. Raise baby fish, decorate their home, and let the lo-fi soundtrack run in the background.
The collection grows through feeding, aquarium upgrades, breeding, and trading. With more than 450 fish and decorations, there is always a new trait or layout to chase.
Start Beginner Guide →Idle-friendly
Grows beside your work
Breeding
Combine fish traits
Steam Market
Trade eligible items
Lo-fi audio
Calm background sound
450+ items
Fish and decorations
Choose Your Next Step
All PC FISH Guides
Short, practical answers built around the questions players actually search.
Beginner Guide
Your first fish, feeding, aquarium levels, breeding, and Trade Hub unlocks.
Explore All Guides →Live Wallpaper Setup
How the taskbar aquarium behaves and where it fits on your desktop.
Explore All Guides →Desktop Background
Build a calm desktop aquarium without covering the apps you use.
Explore All Guides →Koi & Rare Fish
Understand fish traits, breeding outcomes, and rare collection goals.
Explore All Guides →Trading Guide
Reach the Trade Hub and prepare fish for community and Market trading.
Explore All Guides →Platforms & Requirements
Windows and macOS support, storage, and practical performance notes.
Explore All Guides →Play Smarter
Top Tips for a Better Aquarium
Start small
Learn the feeding loop before buying lots of decoration.
Keep plankton ready
Young fish grow when their basic needs stay covered.
Breed with a goal
Pick parent traits instead of combining fish at random.
Reach level 4
Aquarium level 4 opens the Trade Hub.
Save rare traits
Keep unusual colors and patterns for later breeding.
Stay updated
Recent patches improve balance, fixes, and collection flow.
FAQ
Frequently Asked Questions
Is PC FISH free?+
Yes. The base game is free to play on Steam.
Is it a live wallpaper?+
It is an interactive taskbar aquarium rather than a traditional full-screen wallpaper.
Can I breed fish?+
Yes. Breeding is a core collection system and can pass traits to offspring.
Does it support macOS?+
Yes. The Steam listing supports both Windows and macOS.
Start Here
Ready to Build Your Aquarium?
Go from your first baby fish to breeding, rare traits, and confident trading with one clear path.