Answer (1 of 24): For my money, I am going to go with the Trill.
Upon their introduction in TNG “The Host”, Trills:
1. Cannot use the transporter due to medical reasons.
2. Are unknown to the Federation.
3. Have a bumpy forehead.
4. Possess people in a similar way to the Goa'uld from Stargate A...
Warp 10 and salamanders. Great examples 👌
But what about TNG 7x09, the one where we learn that warp travel damages subspace and that a warp speed limit is the solution?
Laughs in Janeway
https://en.wikipedia.org/wiki/Force_of_Nature_(Star_Trek:_The_Next_Generation)