Vissian
- Appearance: Mammalian; prominent orbital ridges
- Homeworld: Vissia Prime (ENT Novel: To Brave the Storm)
- Three genders: Male, female, cogenitor (ENT: "Cogenitor")
- Cogenitor facilitates reproduction between male and female (ENT: "Cogenitor")
- Population division approximately 48%/49%/3% (ENT: "Cogenitor")
- Weak sense of taste, with food more centered on smell than flavor (ENT: "Cogenitor")
- Warp travel achieved c.12th century (ENT: "Cogenitor")
- Cultural notes
- Cogenitors provided few legal rights in Vissian society (ENT: "Cogenitor")