Tune living reservoirs
Build tanks across six biomes and balance temperature, salinity, depth, lighting, and décor until the tank mood thrives.
Deep-sea research lab
Observe, nurture, and expand the living deep — hatch ancient monsters and tune every biome tank.
Laboratory wings
From starter lagoon to hybrid genetics — every wing is built for study, care, and expansion.
Build tanks across six biomes and balance temperature, salinity, depth, lighting, and décor until the tank mood thrives.
Raise creatures from egg through hatchling, juvenile, adult, and alpha — feed favorites, watch vitals, and keep neighbors compatible.
Fill the Monster Encyclopedia, clear Research Board assignments, unlock hybrid breeding, and collect tips from the Visitor Hall.
Atmospheric depths
Tropical lagoons, crystal caves, frozen seas, lava basins, and ancient temples — each habitat hosts different ancient monsters.
Inside the app
Real captures from the Monster Aquarium lab — tanks, roster, codex, research, breeding, and guests.




Privacy Policy
Monster Aquarium does not collect personal data. Progress, tanks, creatures, and preferences you create are stored on your device.
Effective date: August 6, 2026. Questions about this policy can be sent to the support address on this page.
Support
Need a hand with tanks, creatures, or laboratory progress? Reach the team by email — we usually reply within a few business days.