Life of unknown origin

• Life forms with no explicitly specified planet of origin

Animal

• Osmotic eel (ENT: "Broken Bow", "Minefield", "Marauders", "Exile", "The Council", "Countdown", "Home")
  • Seemingly consumes microorganisms and parasites in the blood symbiotically, while halting bloodflow, consuming small amounts of blood in the process (ENT: "Broken Bow", "Minefield", "Countdown"; ENT Novel: Uncertain Logic)
• Tumodian lamprey (ENT Novel: Uncertain Logic)
  • Feeds on contaminants in blood symbiotically (ENT Novel: Uncertain Logic)
    • Can serve as a natural form of hemodialysis as a result (ENT Novel: Uncertain Logic)

Plant

• Shendurian stingvine (ENT Novel: Uncertain Logic)
  • Bulbous yellow-green plant seemingly a blend of vine and cactus (ENT Novel: Uncertain Logic)
  • Extremely pungent, sweet aroma (ENT Novel: Uncertain Logic)