The Oran'taku were a humanoid species native to the planet Oran'taku.
Rajiin was a member of this species, encountered by Enterprise NX-01 in 2153. According to Doctor Phlox, who had never encountered a member of this species before then, noted that she had "the most intriguing eyes," commenting that he had "never seen a retinal structure this complex." (ENT: "Rajiin")
It is unknown if the telepathic abilities of Rajiin are given to every member of her species.
In the final draft script of "Rajiin", the appearance of an Oran'taku native was not only characterized as "humanoid
" but was also stated to have "subtly alien eyes
The call sheets for the episode are listing this species as "Oran'taku", named like the planet.