- Rashella
- Radue
- Accolan
- Leda
- Melian
- Duana
- Varied skin, hair and eye coloration
- Eyes were sensitive to light
- Technology incorporated a telepathic interface
- Society was highly intellectual and technologically dependent
- Overreliance on automation led to cultural stagnation
- Shed a violent, conflict-driven past, devoted themselves entirely to culture & art
- Ancestors built a planet-wide defense system run by the Custodian;
- System included a cloaking device, defense shield, & repulsor beam
- Prolonged exposure caused severe radiation poisoning
- By 2364, the entire population was infertile & all wildlife was extinct
- They abducted children from the USS Enterprise-D to preserve their society
- Beverly Crusher uncovered the radiation cause, the children were returned
- The United Federation of Planets aided their recovery
