Aquastra — Fish Tank Game

Controls

Turn on toggles in Menu to show buttons on screen

Guest

Shop

Buy eggs, tank upgrades, and tools. Breed fish in Nursery.

Fish in tank —

Current tank size is shown here when you unlock multiple sizes.

Eggs

Sort

Upgrades Keep fish happier & healthier.

Decorations Coral for the sand band. Drag to move.

How to play

Keep fish alive, breed new variants, and unlock rarer tiers. Level up with XP from coins and discoveries. Clean often and upgrade your filter. Adult fish can breed in the Nursery tab.

🪦 Graveyard

Named fish that have passed. Name fish (click Selected in the top bar or use the Encyclopedia) to remember them here.

No named fish have passed yet.

📘 Encyclopedia

Discovered species and variants. Click a fish in the tank to inspect it.

Fish Catalog

Sort

Selected Fish

Click a fish in the tank to view details.

Name a fish above (click one in the tank, then type a name and Save name). Named fish are remembered in Menu → Graveyard when they pass.

New to the game? Open Menu → How to play for tips on feeding, coins, Shop, Nursery, and more.

📊 Tank Stats

Tank averages and fish ages

Tank Averages

Avg Hunger Alive fish only

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Avg Happiness Alive fish only

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Fish Count Alive / total

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Fish Ages (1 hour = 1 year)

School sizes Schooling species only; fish are assigned to schools in the tank.

Tip: Ages update in real time while the game is running.

📖 How to play

Tips and keyboard shortcuts

Keyboard shortcuts

Use these keys while the game has focus:

F Feed · C Clean · S Shop · N Shop (Nursery tab) · E Encyclopedia · Space Pause

Basics

Keep your fish happy and your tank clean.

F or Feed — drop food. Fish need to eat or their hunger and health drop.
C or Clean — clean the tank (costs coins). Low water quality hurts fish.
Click a fish to select it and see its stats. Click coins on the tank to collect them.
Scroll or pinch to zoom; drag empty area to pan.

Coins & level

Earn coins and XP to unlock more.

Collect coins that appear (click them or buy a Coinfish in the Shop to auto-collect).
Gain XP from feeding, cleaning, and collecting coins. Level up to unlock new eggs and upgrades.

Shop

S or Shop button.

Buy eggs to hatch new fish. Higher rarity = rarer species.
Buy upgrades like Coinfish (collects coins), better food, auto-feed, nursery, and tank size.

Nursery

Open Shop and switch to the Nursery tab. N opens Shop on the Nursery tab. Unlock in Shop first.

Choose two adult fish from the dropdowns as parents. Start breeding to get an egg after a short wait.
Bred eggs can give new species you haven’t discovered yet.

Tips

Save often (Menu → Save now). Sign in to save progress to the cloud.
On mobile: enable Shake to feed in Menu → Settings and adjust pellets per shake.
Use the Encyclopedia (E) to see discovered species.

Controls

Shop

🪦 Graveyard

📘 Encyclopedia

Menu

Play

Display

Gameplay

Settings

Account & data

Advanced

📊 Tank Stats

📖 How to play

Save to the cloud

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