Betazoid
- Appearance: Mammalian; black irises, otherwise largely indistinguishable from Humans
- Homeworld: Betazed
- Telepathic, able to communicate directly among one another, other telepathic species
- In certain particular situations, able to communicate with non-telepathic species
- Telepathy tends to be extremely powerful as compared with other species
- Cultural notes
- Betazoid faith
- Natural telepathic abilities cause privacy to be more a lack of intrusion than a personal protection
- Few feelings or beliefs considered requiring secrecy, with little shame in sharing opinions
- Lack of nudity taboo likely a result of this as well
- Betazoid society divided into noble houses
- At least five houses
- Each designated with a number
- Male heirs known as "Scions", female heirs known as "Daughters" (TNG Novel: The Battle for Betazed)