Epsilon Indi IV has temperate areas with tree-like vegetation and large carnivores. It was also the birth place of the Trileth brother hood, a failed rouge faction in the andorian government that wanted to brake the alliance with the federation. (Starship Exeter: "The Savage Empire") The tidal effects of Epsilon Indi's binary brown dwarf companion makes it geologically unstable. (Starship Exeter: "The Tressaurian Intersection")