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r/SpeculativeEvolution PUBLIC

Where evolution meets science fiction and art. Speculative Evolution (also called Speculative Biology and Speculative Zoology) is the envisioning of fictional, but scientifically possible creatures that could have existed on an alternate Earth, or might actually exist somewhere on another planet or in the deep sea.

159,325 members
Created: Feb 2013
Language: EN
POSITIVE SENTIMENT
Last analyzed: Jun 28, 2026 22:01
Marketing Summary

r/SpeculativeEvolution is a PUBLIC community on Reddit with over 159,325 members. It currently has a positive sentiment with an engagement rate of 1.5%. With a community friendliness score of 80, this subreddit presents a moderate conversion potential for authentic brand participation. Self-promotion is generally allowed according to recent analysis.

80
Friendliness Score
1.5%
Engagement Rate
65
Conversion Potential
2.0%
Monthly Growth
Marketing Analytics
149.3
Avg Post Score
13.2
Avg Comments
25
Brand Mentions
0
Posts/Hour
Top Post Types
text 98.0% (49)
link 2.0% (1)
Peak Activity Hours
Times shown in UTC (Coordinated Universal Time) Local times are automatically converted based on your browser's timezone
10AM UTC
High
~35 active
10PM UTC
Medium
~20 active
6PM UTC
Low
~5 active
Community Culture
Community Sentiment POSITIVE
Friendliness Score: 80/100
2.4K
Avg User Karma of Top Posts
70%
Commercial Acceptance
Content Preferences
Moderation Patterns
Rules & Compliance
12
Total Rules
Images
Videos
Self Promotion
Require Flairs
Public
Posting Requirements & Restrictions
No limit
Minimum Karma
No limit
Min Account Age (days)
ANY
Submission Type
Enabled
Flair System
Subreddit Rules
  1. Be respectful and practice good community conduct.
  2. harassment, witch hunts, threats, spam, impersonation, public solicitation, or needless vulgarity.
  3. Do not post personal information or use the subreddit as a personal blog or advertisement space.
  4. Label graphic content.
  5. Submitted content must be relevant to speculative evolution.: Focus on speculative biology, ecology, and evolution. Paleontology, alien life, concept art, and related worldbuilding are permitted.
  6. Posts centered on individual characters or personal narratives are not permitted.
  7. Sexually explicit or fetish content is prohibited.
  8. Political topics are only permitted when directly relevant to worldbuilding.
  9. Credit creators
  10. AI-generated media.: Clearly indicate whether submitted content is Original Content ("OC", tagged in titles with square brackets as "[OC]") or not. Non-OC work (including commissioned works) must be credited (tagged in titles with square brackets as "[Credit: Name]"). If posting multiple works by multiple creators, all creators must be credited.
  11. Plagiarism is not tolerated.
  12. Images, videos, or text produced by generative AI are strictly prohibited. The only permitted exemption for AI use is in translation.
  13. Read the Flair Guide and abide by posting requirements.: Different submission types have different requirements. Posts that do not comply with requirements outlined by the [Flair Guide](https://www.reddit.com/r/SpeculativeEvolution/wiki/flairs/), including attribution and context requirements, will be removed. If you have a question, need help, or want to discuss something, use the Questions, Feedback & Discussion thread.
  14. Put in effort.: Low-effort posts, including poorly-written and poorly-titled submissions, will be removed.
Marketing Data Updated
Jun 28, 2026
Rules Updated
Jul 14, 2026
Compliance Updated
Jul 14, 2026

What is r/SpeculativeEvolution?

r/SpeculativeEvolution is a public Reddit community created in February 2013 with over 159,325 members. Where evolution meets science fiction and art. Speculative Evolution (also called Speculative Biology and Speculative Zoology) is the envisioning of fictional, but scientifically possible creatures that could have existed on an alternate Earth, or might actually exist somewhere on another planet or in the deep sea.

The community has a positive sentiment and an engagement rate of 1.5%. With a friendliness score of 80, it is considered very welcoming to new members.

Self-promotion is generally allowed, making it a potential opportunity for authentic brand participation.

Frequently Asked Questions about r/SpeculativeEvolution

r/SpeculativeEvolution is a public Reddit community with 159,325 members. Where evolution meets science fiction and art. Speculative Evolution (also called Speculative Biology and Speculative Zoology) is the envisioning of fictional, but scientifically possible creatures that could have existed on an alternate Earth, or might actually exist somewhere on another planet or in the deep sea.

With a conversion potential of 65 and an engagement rate of 1.5%, r/SpeculativeEvolution presents a moderate opportunity for authentic brand participation. Self-promotion is generally allowed, but always follow community guidelines.

r/SpeculativeEvolution has 12 community rules.

r/SpeculativeEvolution has an engagement rate of 1.5% with an average post score of 149.3 and an average of 13.2 comments per post. The community sentiment is positive with a friendliness score of 80 out of 10.
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