Are there any Sci-Fi writers communities on the Fediverse already?

I see there are hash-tag such as:

• #SciFiFridays
• #SciFiSaturdays
• #SciFiSundays

But, I am not noticing people posting their own sci-fi stories or videos there.

Maybe they exists already, and I'm not looking at the right places.

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UPDATE: #MicroFiction and #TootFic seem to be pretty active.

#SciFi