Homeworld: Unknown, beyond the Milky Way Galaxy, outside of normal space
Warp capable: Yes, deep understanding and mastery of subspace, by which they were capable of transporting entire ships across tens of thousands of light years in mere moments.
Federation Status: Neutral
First Encountered: VOY: “Caretaker”
Distinctive Features: Natural appearance was that of a glutinous liquid but they possessed the ability to change their physical appearance at will.
Known members: Caretaker, Suspiria
The Nacene were a species from another galaxy. They were a sporocystian lifeform with high level technology and an apparently natural ability to navigate subspace. Only two have been encountered, both by the USS Voyager, on the far side of the Delta Quadrant.