r/Reef↗
A Subreddit for the Saltwater Aquarium and Reef Hobbyist
A sub focused on coral reefs and restoration, coral aquaculture, and saltwater aquariums.
8.6k subscribers22 posts / mo in Sep 202613 authors / mosince 2010
r/Reef has 8.6k members (+16% over the last 12 months). It gets about 22 posts a month from 13 people. Top topics: Reef-Tank-Nano, Aquarium Tanks and Clownfish and Anemones.
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When to post on r/Reef
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How r/Reef has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/Reef
Top topics
Share of the subreddit's posts
- Reef-Tank-Nano20%
- Aquarium Tanks4.5%
- Clownfish and Anemones3.5%
- Aquarium Cycling2.5%
- Tank Lighting2.4%
Posting rules for r/Reef
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How often posts get removed on r/Reef
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What works on r/Reef
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Who posts on r/Reef
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What people ask for on r/Reef
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Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research