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Fish Abyss - Build an Idle Ocean Aquarium Screenshot 0
Fish Abyss - Build an Idle Ocean Aquarium Screenshot 1
Fish Abyss - Build an Idle Ocean Aquarium Screenshot 2
Fish Abyss - Build an Idle Ocean Aquarium Screenshot 3

About Fish Abyss - Build an Idle Ocean Aquarium

Build a thriving ocean sanctuary splashing with aquatic life - all while you listen to the calming sounds of the ocean as whale song echoes in a distant reef.

Hundreds of Fish to Collect

Discover all the fish in the sea and bring them to your aquarium. From koi and clownfish to majestic creatures that would never fit in your fish tank, such as dolphins, sharks and humpback whales and even more exotic species - we have them all to collect and grow at the tap of your finger!

The World’s Largest Fish Tank

Dive into the world’s largest fishtank - your own aquarium sanctuary! Customise your underwater oasis with corals, seaweed, rocks and attract new species of fish to your deep sea aquarium in this relaxing underwater sim.

Journey into the Depths of the Ocean

Begin your adventure in a secluded reef as you discover your way through the depths of the aquamarine world, one tap at a time.

Relaxing Gameplay

A relaxing family simulator game full of life, build your beautiful virtual underwater tycoon where marine life can thrive - all as you listen to the zen music of whale songs in a distant reef.

Real Schools of Fish

The marine life in your reef will find friends and form schools of fish, just like real fish majestically weaving in and out of the coral (and avoiding sharks!) using our advanced behaviour simulator.

Care for Your Aqua Pets

Create the ultimate fish farm. Hatch eggs and feed your underwater creatures to level them up. Merge your fish to breed them into more special, unique pet fish.

Privacy Policy & Terms of Service

By downloading this game you are agreeing to our terms of service which can be found at:

Our privacy policy can be found here:

In-App Purchases

This app offers optional in-app purchases that cost real money. You can disable the in-app purchasing functionality by adjusting your device settings.

A network connection is required to play. Data fees may apply if WiFi isn’t connected.


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almost done UvU
A Google user
This is a good game 👌👌👌👌👌
dohar shaheenpukur
Aidan Sanders
Still early stage of the game, great game so far
Mark Aupaix
I really like this one much more than other idle fish tap games. I wish you would make a game like this for growing a flower & vegetable garden.
Lieutenant BaconWaffles
Yes Mwoure apmge Hembe Wnbe 1000
Cmong Gaming