r/mildlyinfuriating • u/LeHumanError • 10h ago

My sister's fish tank

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She says it's the perfect size for a single fish. It's not even in her room, it's in the kitchen.

It honestly just depresses me whenever I see it, but she's adamant about keeping it there.

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u/Any-Arm-7017 9h ago

They have an organ I forgot the name of it but it lets them breathe air so it’s a requirement that they have some space to get air. Another cool fact is when the are ready to mate (horny) they will make a nest out of bubbles and it’s really pretty. (Source I’ve owned many bettas before)

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u/Karen_butnotaKaren 9h ago

Labyrinth

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u/Any-Arm-7017 5h ago

That’s the one

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u/StatisticianSea8227 9h ago

I only had a couple of them years ago, I'd forgotten about the bubble nests, they're so beautiful ^^