|Status||Captured and Sealed by Akatsuki|
The Six-Tailed Slug, or Saiken (The name given by the Sage of Six Paths), is one the nine bijuus in Naruto. It has made little appearance in the Manga but has its own arch as a filler in the Anime.
Part II In this arc it is showed that Pain captures the Six Tails but this was not showed in the actual Manga.
Like the other bijuus it is assumed that it has enormous amounts of chakra and brute strength and also the ability to use the Tailed-Beast Ball.