Tavnian
- Appearance: Mammalian
- Generally fairly tall (TNG Novel: A Time for War, A Time for Peace)
- Cultural notes
- Society incredibly gender-segregated (DS9: "The Muse")
- Children raised separately by gender (DS9: "The Muse")
- Marriage ceremonies based on the man convincing the woman he would be a worthy husband (DS9: "The Muse")
- Any who doubt the sincerity of the prospective husband can challenge the wedding (DS9: "The Muse")
- No divorce; marriages annulled by default upon one partner marrying another person (DS9: "The Muse")
- Society incredibly gender-segregated (DS9: "The Muse")