Medusan

• Appearance: Noncorporeal
  • Physical appearance is capable of driving most humanoids crazy due to noncorporeal nature (TOS: "Is There in Truth No Beauty?")
• Homeworld: Visalayan
• As of May 2378, 12 Medusans serve in Starfleet (TNG Novel: A Time to Be Born)
  • All but one serve as navigators on long-range vessels (TNG Novel: A Time to Be Born)
• Biological notes
  • Telepathic species (TOS: "Is There in Truth No Beauty?")
  • Innately aware of position in space and time at all times, granting them innate skill at starship navigation (TOS: "Is There in Truth No Beauty?"; TNG Novel: A Time to Be Born)