From Creatures Wikia
The Shee Ark is the organic spacecraft that the Shee used to leave Albia in their search of a spherical planet with the potential for greater real estate development. Abandoned once the Shee reached their destination, Sphericus, the ship's systems remained active and it serves as the setting for Creatures 3. The ship was discovered by the Lone Shee, to be inhabited by the Banshee.
The Ship is split into several distinct sections: