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Screenshots

  • Jellyfish Tank screenshot 1
  • Jellyfish Tank screenshot 2
  • Jellyfish Tank screenshot 3
  • Jellyfish Tank screenshot 4

About Jellyfish Tank

A small, quiet aquarium that lives in your pocket. Jellyfish drift, glow, and pulse in the dark water. You can simply watch — the tank asks nothing of you. When you feel like it, care for them: scatter food, clean the water, give them light. Pair two jellies and an egg settles on the rocks. You won't know its color until it grows. The colors follow an old lexicon — Dew, Madder, Cerulean, Amber, Jade, Coral, Lapis, Aster, Aurora. And on moonless nights, once in a great while, something else. - No ads in the tank. Watching is never interrupted. - No subscriptions. No random paid draws. - Time passes gently even while you're away. - Your tank follows you to a new device through iCloud. Raise them slowly. Or just watch the light.

What’s new

Version 1.4 · Updated September 18, 2026

A few more ways to reach in. - Petting now deepens the bond, a little (up to five times a day) - From a jellyfish's card, you can give it a feast. The bond rises, and it turns a happy circle - You can now return jellyfish to the sea from the cove list, too - Amber eggs are now in the shop We also revisited how growth is counted while you're away. The water is as calm as before.

App privacy

The developer, KOICHI HANAMURA, reported these privacy practices to Apple.

Data Not Collected

The developer does not collect any data from this app.

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