Cosmozoan
- Lifeforms native to interplanetary or interstellar space, with little to no time spent on planetary surfaces
- Voreborer (ENT Novel: To Brave the Storm)
- Flea-like insect native to space near Vissia (ENT Novel: To Brave the Storm)
- Capable of chewing through most inorganic matter, including starship hulls (ENT Novel: To Brave the Storm)
- Parasitic organism feeding on mammalian blood (ENT Novel: To Brave the Storm)
- Presumably has extremely slow metabolism, given both rarity of food source and vacuum conditions (ENT Novel: To Brave the Storm)