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A living ASCII planted tank for your Mac. Fish made of characters drift over a hairgrass meadow, in a small liquid-glass card floating on your desktop. Click the tank to drop food and the school converges; swirl your cursor and the fish gather, like you touched a real aquarium. Connect Claude Code or Codex, and the moment a task finishes, confetti bursts in that AI’s colors. Settings live in your menu bar. No accounts, no network, no data collection. And no, of course it’s not a subscription :)
When Fable came out, I was bored and thought it would be fun to have a little digital aquarium running in my terminal. So I made one, with ASCII fish swimming through a planted meadow, and posted a demo on Threads without thinking much of it.
I’ve been turning that terminal toy into "sujo" ever since. I also use Claude Code and Codex a lot, and wanted a small signal when a long task finally finished. That’s why sujo has `sujo://done`: when an agent finishes, the tank feeds the fish and celebrates with confetti in its colors.
There’s a small meaning behind the name, too. sujo is the romanized form of the Korean word 수조 (水槽). 수 (水)means “water,” while 조 (槽) means a tank or container. Together, the word refers to an aquarium — a small tank for fish and aquatic life — which felt right for a tiny aquarium quietly living on your desktop.
Thanks for taking a look at the little aquarium that started as a bored afternoon experiment.
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About sujo - ASCII Aquarium on Product Hunt
“A living ASCII aquarium in your Mac”
sujo - ASCII Aquarium was submitted on Product Hunt and earned 2 upvotes and 1 comments, placing #137 on the daily leaderboard. A living ASCII planted tank for your Mac. Fish made of characters drift over a hairgrass meadow, in a small liquid-glass card floating on your desktop. Click the tank to drop food and the school converges; swirl your cursor and the fish gather, like you touched a real aquarium. Connect Claude Code or Codex, and the moment a task finishes, confetti bursts in that AI’s colors. Settings live in your menu bar. No accounts, no network, no data collection. And no, of course it’s not a subscription :)
sujo - ASCII Aquarium was featured in Mac (103.6k followers), Menu Bar Apps (12.3k followers) and Entertainment (2k followers) on Product Hunt. Together, these topics include over 15.4k products, making this a competitive space to launch in.
Who hunted sujo - ASCII Aquarium?
sujo - ASCII Aquarium was hunted by 마재훈. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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마재훈
Hey Product Hunt! 👋
"sujo" started as a tiny experiment.
When Fable came out, I was bored and thought it would be fun to have a little digital aquarium running in my terminal. So I made one, with ASCII fish swimming through a planted meadow, and posted a demo on Threads without thinking much of it.
It got over 10,000 views on its first day! (now at 28,061 views!)
https://www.threads.com/@ma_jae_...
One reply in particular caught my eye:
“Please make this a Mac app.”
So I did.
I’ve been turning that terminal toy into "sujo" ever since. I also use Claude Code and Codex a lot, and wanted a small signal when a long task finally finished. That’s why sujo has `sujo://done`: when an agent finishes, the tank feeds the fish and celebrates with confetti in its colors.
There’s a small meaning behind the name, too. sujo is the romanized form of the Korean word 수조 (水槽). 수 (水)means “water,” while 조 (槽) means a tank or container. Together, the word refers to an aquarium — a small tank for fish and aquatic life — which felt right for a tiny aquarium quietly living on your desktop.
Thanks for taking a look at the little aquarium that started as a bored afternoon experiment.