The Silicoids were crystalline beings. Their population grew slowly, but pollution and hostile environments did not harm them at all. This allowed for early colonization of rich, hostile worlds. The Silicoids were skilled at new computer research, but were poor in all other fields of technology. Their fleet preferred larger ships. Silicoid emperors were usually hostile and expansionistic. They were enemies of the Darloks, but were more favorably disposed towards the Humans, Klackons, and Meklars.